Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/mjpegdec.c |
Date: | 2022-07-05 19:52:29 |
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Lines: | 971 | 1830 | 53.1% |
Branches: | 699 | 1665 | 42.0% |
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1 | /* | ||
2 | * MJPEG decoder | ||
3 | * Copyright (c) 2000, 2001 Fabrice Bellard | ||
4 | * Copyright (c) 2003 Alex Beregszaszi | ||
5 | * Copyright (c) 2003-2004 Michael Niedermayer | ||
6 | * | ||
7 | * Support for external huffman table, various fixes (AVID workaround), | ||
8 | * aspecting, new decode_frame mechanism and apple mjpeg-b support | ||
9 | * by Alex Beregszaszi | ||
10 | * | ||
11 | * This file is part of FFmpeg. | ||
12 | * | ||
13 | * FFmpeg is free software; you can redistribute it and/or | ||
14 | * modify it under the terms of the GNU Lesser General Public | ||
15 | * License as published by the Free Software Foundation; either | ||
16 | * version 2.1 of the License, or (at your option) any later version. | ||
17 | * | ||
18 | * FFmpeg is distributed in the hope that it will be useful, | ||
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
21 | * Lesser General Public License for more details. | ||
22 | * | ||
23 | * You should have received a copy of the GNU Lesser General Public | ||
24 | * License along with FFmpeg; if not, write to the Free Software | ||
25 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
26 | */ | ||
27 | |||
28 | /** | ||
29 | * @file | ||
30 | * MJPEG decoder. | ||
31 | */ | ||
32 | |||
33 | #include "config_components.h" | ||
34 | |||
35 | #include "libavutil/display.h" | ||
36 | #include "libavutil/imgutils.h" | ||
37 | #include "libavutil/avassert.h" | ||
38 | #include "libavutil/opt.h" | ||
39 | #include "avcodec.h" | ||
40 | #include "blockdsp.h" | ||
41 | #include "codec_internal.h" | ||
42 | #include "copy_block.h" | ||
43 | #include "decode.h" | ||
44 | #include "hwconfig.h" | ||
45 | #include "idctdsp.h" | ||
46 | #include "internal.h" | ||
47 | #include "jpegtables.h" | ||
48 | #include "mjpeg.h" | ||
49 | #include "mjpegdec.h" | ||
50 | #include "jpeglsdec.h" | ||
51 | #include "profiles.h" | ||
52 | #include "put_bits.h" | ||
53 | #include "tiff.h" | ||
54 | #include "exif.h" | ||
55 | #include "bytestream.h" | ||
56 | #include "tiff_common.h" | ||
57 | |||
58 | |||
59 | 179 | static int init_default_huffman_tables(MJpegDecodeContext *s) | |
60 | { | ||
61 | static const struct { | ||
62 | int class; | ||
63 | int index; | ||
64 | const uint8_t *bits; | ||
65 | const uint8_t *values; | ||
66 | int length; | ||
67 | } ht[] = { | ||
68 | { 0, 0, ff_mjpeg_bits_dc_luminance, | ||
69 | ff_mjpeg_val_dc, 12 }, | ||
70 | { 0, 1, ff_mjpeg_bits_dc_chrominance, | ||
71 | ff_mjpeg_val_dc, 12 }, | ||
72 | { 1, 0, ff_mjpeg_bits_ac_luminance, | ||
73 | ff_mjpeg_val_ac_luminance, 162 }, | ||
74 | { 1, 1, ff_mjpeg_bits_ac_chrominance, | ||
75 | ff_mjpeg_val_ac_chrominance, 162 }, | ||
76 | { 2, 0, ff_mjpeg_bits_ac_luminance, | ||
77 | ff_mjpeg_val_ac_luminance, 162 }, | ||
78 | { 2, 1, ff_mjpeg_bits_ac_chrominance, | ||
79 | ff_mjpeg_val_ac_chrominance, 162 }, | ||
80 | }; | ||
81 | int i, ret; | ||
82 | |||
83 |
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1253 | for (i = 0; i < FF_ARRAY_ELEMS(ht); i++) { |
84 | 1074 | ff_free_vlc(&s->vlcs[ht[i].class][ht[i].index]); | |
85 | 1074 | ret = ff_mjpeg_build_vlc(&s->vlcs[ht[i].class][ht[i].index], | |
86 | 1074 | ht[i].bits, ht[i].values, | |
87 | 1074 | ht[i].class == 1, s->avctx); | |
88 |
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1074 | if (ret < 0) |
89 | ✗ | return ret; | |
90 | |||
91 |
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1074 | if (ht[i].class < 2) { |
92 | 716 | memcpy(s->raw_huffman_lengths[ht[i].class][ht[i].index], | |
93 | 716 | ht[i].bits + 1, 16); | |
94 | 716 | memcpy(s->raw_huffman_values[ht[i].class][ht[i].index], | |
95 | 716 | ht[i].values, ht[i].length); | |
96 | } | ||
97 | } | ||
98 | |||
99 | 179 | return 0; | |
100 | } | ||
101 | |||
102 | 11 | static void parse_avid(MJpegDecodeContext *s, uint8_t *buf, int len) | |
103 | { | ||
104 | 11 | s->buggy_avid = 1; | |
105 |
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11 | if (len > 14 && buf[12] == 1) /* 1 - NTSC */ |
106 | 11 | s->interlace_polarity = 1; | |
107 |
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11 | if (len > 14 && buf[12] == 2) /* 2 - PAL */ |
108 | ✗ | s->interlace_polarity = 0; | |
109 |
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11 | if (s->avctx->debug & FF_DEBUG_PICT_INFO) |
110 | ✗ | av_log(s->avctx, AV_LOG_INFO, "AVID: len:%d %d\n", len, len > 14 ? buf[12] : -1); | |
111 | 11 | } | |
112 | |||
113 | 276 | static void init_idct(AVCodecContext *avctx) | |
114 | { | ||
115 | 276 | MJpegDecodeContext *s = avctx->priv_data; | |
116 | |||
117 | 276 | ff_idctdsp_init(&s->idsp, avctx); | |
118 | 276 | ff_init_scantable(s->idsp.idct_permutation, &s->scantable, | |
119 | ff_zigzag_direct); | ||
120 | 276 | } | |
121 | |||
122 | 179 | av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx) | |
123 | { | ||
124 | 179 | MJpegDecodeContext *s = avctx->priv_data; | |
125 | int ret; | ||
126 | |||
127 |
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179 | if (!s->picture_ptr) { |
128 | 177 | s->picture = av_frame_alloc(); | |
129 |
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177 | if (!s->picture) |
130 | ✗ | return AVERROR(ENOMEM); | |
131 | 177 | s->picture_ptr = s->picture; | |
132 | } | ||
133 | |||
134 | 179 | s->pkt = avctx->internal->in_pkt; | |
135 | |||
136 | 179 | s->avctx = avctx; | |
137 | 179 | ff_blockdsp_init(&s->bdsp, avctx); | |
138 | 179 | ff_hpeldsp_init(&s->hdsp, avctx->flags); | |
139 | 179 | init_idct(avctx); | |
140 | 179 | s->buffer_size = 0; | |
141 | 179 | s->buffer = NULL; | |
142 | 179 | s->start_code = -1; | |
143 | 179 | s->first_picture = 1; | |
144 | 179 | s->got_picture = 0; | |
145 | 179 | s->orig_height = avctx->coded_height; | |
146 | 179 | avctx->chroma_sample_location = AVCHROMA_LOC_CENTER; | |
147 | 179 | avctx->colorspace = AVCOL_SPC_BT470BG; | |
148 | 179 | s->hwaccel_pix_fmt = s->hwaccel_sw_pix_fmt = AV_PIX_FMT_NONE; | |
149 | |||
150 |
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179 | if ((ret = init_default_huffman_tables(s)) < 0) |
151 | ✗ | return ret; | |
152 | |||
153 |
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179 | if (s->extern_huff) { |
154 | ✗ | av_log(avctx, AV_LOG_INFO, "using external huffman table\n"); | |
155 | ✗ | if ((ret = init_get_bits(&s->gb, avctx->extradata, avctx->extradata_size * 8)) < 0) | |
156 | ✗ | return ret; | |
157 | ✗ | if (ff_mjpeg_decode_dht(s)) { | |
158 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
159 | "error using external huffman table, switching back to internal\n"); | ||
160 | ✗ | if ((ret = init_default_huffman_tables(s)) < 0) | |
161 | ✗ | return ret; | |
162 | } | ||
163 | } | ||
164 |
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179 | if (avctx->field_order == AV_FIELD_BB) { /* quicktime icefloe 019 */ |
165 | ✗ | s->interlace_polarity = 1; /* bottom field first */ | |
166 | ✗ | av_log(avctx, AV_LOG_DEBUG, "bottom field first\n"); | |
167 |
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179 | } else if (avctx->field_order == AV_FIELD_UNKNOWN) { |
168 |
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177 | if (avctx->codec_tag == AV_RL32("MJPG")) |
169 | 51 | s->interlace_polarity = 1; | |
170 | } | ||
171 | |||
172 |
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179 | if (avctx->codec_id == AV_CODEC_ID_SMVJPEG) { |
173 |
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2 | if (avctx->extradata_size >= 4) |
174 | 2 | s->smv_frames_per_jpeg = AV_RL32(avctx->extradata); | |
175 | |||
176 |
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2 | if (s->smv_frames_per_jpeg <= 0) { |
177 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid number of frames per jpeg.\n"); | |
178 | ✗ | return AVERROR_INVALIDDATA; | |
179 | } | ||
180 | |||
181 | 2 | s->smv_frame = av_frame_alloc(); | |
182 |
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2 | if (!s->smv_frame) |
183 | ✗ | return AVERROR(ENOMEM); | |
184 |
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177 | } else if (avctx->extradata_size > 8 |
185 |
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2 | && AV_RL32(avctx->extradata) == 0x2C |
186 | ✗ | && AV_RL32(avctx->extradata+4) == 0x18) { | |
187 | ✗ | parse_avid(s, avctx->extradata, avctx->extradata_size); | |
188 | } | ||
189 | |||
190 |
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179 | if (avctx->codec->id == AV_CODEC_ID_AMV) |
191 | 11 | s->flipped = 1; | |
192 | |||
193 | 179 | return 0; | |
194 | } | ||
195 | |||
196 | |||
197 | /* quantize tables */ | ||
198 | 2565 | int ff_mjpeg_decode_dqt(MJpegDecodeContext *s) | |
199 | { | ||
200 | int len, index, i; | ||
201 | |||
202 | 2565 | len = get_bits(&s->gb, 16) - 2; | |
203 | |||
204 |
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2565 | if (8*len > get_bits_left(&s->gb)) { |
205 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "dqt: len %d is too large\n", len); | |
206 | ✗ | return AVERROR_INVALIDDATA; | |
207 | } | ||
208 | |||
209 |
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5625 | while (len >= 65) { |
210 | 3060 | int pr = get_bits(&s->gb, 4); | |
211 |
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3060 | if (pr > 1) { |
212 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "dqt: invalid precision\n"); | |
213 | ✗ | return AVERROR_INVALIDDATA; | |
214 | } | ||
215 | 3060 | index = get_bits(&s->gb, 4); | |
216 |
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3060 | if (index >= 4) |
217 | ✗ | return -1; | |
218 | 3060 | av_log(s->avctx, AV_LOG_DEBUG, "index=%d\n", index); | |
219 | /* read quant table */ | ||
220 |
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198900 | for (i = 0; i < 64; i++) { |
221 |
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195840 | s->quant_matrixes[index][i] = get_bits(&s->gb, pr ? 16 : 8); |
222 |
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195840 | if (s->quant_matrixes[index][i] == 0) { |
223 | ✗ | int log_level = s->avctx->err_recognition & AV_EF_EXPLODE ? AV_LOG_ERROR : AV_LOG_WARNING; | |
224 | ✗ | av_log(s->avctx, log_level, "dqt: 0 quant value\n"); | |
225 | ✗ | if (s->avctx->err_recognition & AV_EF_EXPLODE) | |
226 | ✗ | return AVERROR_INVALIDDATA; | |
227 | } | ||
228 | } | ||
229 | |||
230 | // XXX FIXME fine-tune, and perhaps add dc too | ||
231 | 3060 | s->qscale[index] = FFMAX(s->quant_matrixes[index][1], | |
232 | 3060 | s->quant_matrixes[index][8]) >> 1; | |
233 | 3060 | av_log(s->avctx, AV_LOG_DEBUG, "qscale[%d]: %d\n", | |
234 | index, s->qscale[index]); | ||
235 | 3060 | len -= 1 + 64 * (1+pr); | |
236 | } | ||
237 | 2565 | return 0; | |
238 | } | ||
239 | |||
240 | /* decode huffman tables and build VLC decoders */ | ||
241 | 2562 | int ff_mjpeg_decode_dht(MJpegDecodeContext *s) | |
242 | { | ||
243 | int len, index, i, class, n, v; | ||
244 | uint8_t bits_table[17]; | ||
245 | uint8_t val_table[256]; | ||
246 | 2562 | int ret = 0; | |
247 | |||
248 | 2562 | len = get_bits(&s->gb, 16) - 2; | |
249 | |||
250 |
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2562 | if (8*len > get_bits_left(&s->gb)) { |
251 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "dht: len %d is too large\n", len); | |
252 | ✗ | return AVERROR_INVALIDDATA; | |
253 | } | ||
254 | |||
255 |
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11716 | while (len > 0) { |
256 |
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9154 | if (len < 17) |
257 | ✗ | return AVERROR_INVALIDDATA; | |
258 | 9154 | class = get_bits(&s->gb, 4); | |
259 |
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9154 | if (class >= 2) |
260 | ✗ | return AVERROR_INVALIDDATA; | |
261 | 9154 | index = get_bits(&s->gb, 4); | |
262 |
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9154 | if (index >= 4) |
263 | ✗ | return AVERROR_INVALIDDATA; | |
264 | 9154 | n = 0; | |
265 |
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155618 | for (i = 1; i <= 16; i++) { |
266 | 146464 | bits_table[i] = get_bits(&s->gb, 8); | |
267 | 146464 | n += bits_table[i]; | |
268 | } | ||
269 | 9154 | len -= 17; | |
270 |
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9154 | if (len < n || n > 256) |
271 | ✗ | return AVERROR_INVALIDDATA; | |
272 | |||
273 |
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459568 | for (i = 0; i < n; i++) { |
274 | 450414 | v = get_bits(&s->gb, 8); | |
275 | 450414 | val_table[i] = v; | |
276 | } | ||
277 | 9154 | len -= n; | |
278 | |||
279 | /* build VLC and flush previous vlc if present */ | ||
280 | 9154 | ff_free_vlc(&s->vlcs[class][index]); | |
281 | 9154 | av_log(s->avctx, AV_LOG_DEBUG, "class=%d index=%d nb_codes=%d\n", | |
282 | class, index, n); | ||
283 |
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9154 | if ((ret = ff_mjpeg_build_vlc(&s->vlcs[class][index], bits_table, |
284 | 9154 | val_table, class > 0, s->avctx)) < 0) | |
285 | ✗ | return ret; | |
286 | |||
287 |
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9154 | if (class > 0) { |
288 | 4577 | ff_free_vlc(&s->vlcs[2][index]); | |
289 |
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4577 | if ((ret = ff_mjpeg_build_vlc(&s->vlcs[2][index], bits_table, |
290 | 4577 | val_table, 0, s->avctx)) < 0) | |
291 | ✗ | return ret; | |
292 | } | ||
293 | |||
294 |
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155618 | for (i = 0; i < 16; i++) |
295 | 146464 | s->raw_huffman_lengths[class][index][i] = bits_table[i + 1]; | |
296 |
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2352578 | for (i = 0; i < 256; i++) |
297 | 2343424 | s->raw_huffman_values[class][index][i] = val_table[i]; | |
298 | } | ||
299 | 2562 | return 0; | |
300 | } | ||
301 | |||
302 | 2592 | int ff_mjpeg_decode_sof(MJpegDecodeContext *s) | |
303 | { | ||
304 | int len, nb_components, i, width, height, bits, ret, size_change; | ||
305 | unsigned pix_fmt_id; | ||
306 | 2592 | int h_count[MAX_COMPONENTS] = { 0 }; | |
307 | 2592 | int v_count[MAX_COMPONENTS] = { 0 }; | |
308 | |||
309 | 2592 | s->cur_scan = 0; | |
310 | 2592 | memset(s->upscale_h, 0, sizeof(s->upscale_h)); | |
311 | 2592 | memset(s->upscale_v, 0, sizeof(s->upscale_v)); | |
312 | |||
313 | 2592 | len = get_bits(&s->gb, 16); | |
314 | 2592 | bits = get_bits(&s->gb, 8); | |
315 | |||
316 |
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2592 | if (bits > 16 || bits < 1) { |
317 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "bits %d is invalid\n", bits); | |
318 | ✗ | return AVERROR_INVALIDDATA; | |
319 | } | ||
320 | |||
321 |
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2592 | if (s->avctx->bits_per_raw_sample != bits) { |
322 |
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97 | av_log(s->avctx, s->avctx->bits_per_raw_sample > 0 ? AV_LOG_INFO : AV_LOG_DEBUG, "Changing bps from %d to %d\n", s->avctx->bits_per_raw_sample, bits); |
323 | 97 | s->avctx->bits_per_raw_sample = bits; | |
324 | 97 | init_idct(s->avctx); | |
325 | } | ||
326 |
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2592 | if (s->pegasus_rct) |
327 | ✗ | bits = 9; | |
328 |
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2592 | if (bits == 9 && !s->pegasus_rct) |
329 | ✗ | s->rct = 1; // FIXME ugly | |
330 | |||
331 |
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2592 | if(s->lossless && s->avctx->lowres){ |
332 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "lowres is not possible with lossless jpeg\n"); | |
333 | ✗ | return -1; | |
334 | } | ||
335 | |||
336 | 2592 | height = get_bits(&s->gb, 16); | |
337 | 2592 | width = get_bits(&s->gb, 16); | |
338 | |||
339 | // HACK for odd_height.mov | ||
340 |
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2592 | if (s->interlaced && s->width == width && s->height == height + 1) |
341 | ✗ | height= s->height; | |
342 | |||
343 | 2592 | av_log(s->avctx, AV_LOG_DEBUG, "sof0: picture: %dx%d\n", width, height); | |
344 |
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2592 | if (av_image_check_size(width, height, 0, s->avctx) < 0) |
345 | ✗ | return AVERROR_INVALIDDATA; | |
346 |
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2592 | if (s->buf_size && (width + 7) / 8 * ((height + 7) / 8) > s->buf_size * 4LL) |
347 | ✗ | return AVERROR_INVALIDDATA; | |
348 | |||
349 | 2592 | nb_components = get_bits(&s->gb, 8); | |
350 |
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2592 | if (nb_components <= 0 || |
351 | nb_components > MAX_COMPONENTS) | ||
352 | ✗ | return -1; | |
353 |
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2592 | if (s->interlaced && (s->bottom_field == !s->interlace_polarity)) { |
354 |
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15 | if (nb_components != s->nb_components) { |
355 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
356 | "nb_components changing in interlaced picture\n"); | ||
357 | ✗ | return AVERROR_INVALIDDATA; | |
358 | } | ||
359 | } | ||
360 |
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2592 | if (s->ls && !(bits <= 8 || nb_components == 1)) { |
361 | ✗ | avpriv_report_missing_feature(s->avctx, | |
362 | "JPEG-LS that is not <= 8 " | ||
363 | "bits/component or 16-bit gray"); | ||
364 | ✗ | return AVERROR_PATCHWELCOME; | |
365 | } | ||
366 |
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2592 | if (len != 8 + 3 * nb_components) { |
367 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "decode_sof0: error, len(%d) mismatch %d components\n", len, nb_components); | |
368 | ✗ | return AVERROR_INVALIDDATA; | |
369 | } | ||
370 | |||
371 | 2592 | s->nb_components = nb_components; | |
372 | 2592 | s->h_max = 1; | |
373 | 2592 | s->v_max = 1; | |
374 |
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10332 | for (i = 0; i < nb_components; i++) { |
375 | /* component id */ | ||
376 | 7740 | s->component_id[i] = get_bits(&s->gb, 8) - 1; | |
377 | 7740 | h_count[i] = get_bits(&s->gb, 4); | |
378 | 7740 | v_count[i] = get_bits(&s->gb, 4); | |
379 | /* compute hmax and vmax (only used in interleaved case) */ | ||
380 |
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7740 | if (h_count[i] > s->h_max) |
381 | 2153 | s->h_max = h_count[i]; | |
382 |
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7740 | if (v_count[i] > s->v_max) |
383 | 2318 | s->v_max = v_count[i]; | |
384 | 7740 | s->quant_index[i] = get_bits(&s->gb, 8); | |
385 |
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7740 | if (s->quant_index[i] >= 4) { |
386 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "quant_index is invalid\n"); | |
387 | ✗ | return AVERROR_INVALIDDATA; | |
388 | } | ||
389 |
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7740 | if (!h_count[i] || !v_count[i]) { |
390 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
391 | "Invalid sampling factor in component %d %d:%d\n", | ||
392 | i, h_count[i], v_count[i]); | ||
393 | ✗ | return AVERROR_INVALIDDATA; | |
394 | } | ||
395 | |||
396 | 7740 | av_log(s->avctx, AV_LOG_DEBUG, "component %d %d:%d id: %d quant:%d\n", | |
397 | i, h_count[i], v_count[i], | ||
398 | s->component_id[i], s->quant_index[i]); | ||
399 | } | ||
400 |
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2592 | if ( nb_components == 4 |
401 | ✗ | && s->component_id[0] == 'C' - 1 | |
402 | ✗ | && s->component_id[1] == 'M' - 1 | |
403 | ✗ | && s->component_id[2] == 'Y' - 1 | |
404 | ✗ | && s->component_id[3] == 'K' - 1) | |
405 | ✗ | s->adobe_transform = 0; | |
406 | |||
407 |
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2592 | if (s->ls && (s->h_max > 1 || s->v_max > 1)) { |
408 | ✗ | avpriv_report_missing_feature(s->avctx, "Subsampling in JPEG-LS"); | |
409 | ✗ | return AVERROR_PATCHWELCOME; | |
410 | } | ||
411 | |||
412 |
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2592 | if (s->bayer) { |
413 | ✗ | if (nb_components == 2) { | |
414 | /* Bayer images embedded in DNGs can contain 2 interleaved components and the | ||
415 | width stored in their SOF3 markers is the width of each one. We only output | ||
416 | a single component, therefore we need to adjust the output image width. We | ||
417 | handle the deinterleaving (but not the debayering) in this file. */ | ||
418 | ✗ | width *= 2; | |
419 | } | ||
420 | /* They can also contain 1 component, which is double the width and half the height | ||
421 | of the final image (rows are interleaved). We don't handle the decoding in this | ||
422 | file, but leave that to the TIFF/DNG decoder. */ | ||
423 | } | ||
424 | |||
425 | /* if different size, realloc/alloc picture */ | ||
426 |
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2592 | if (width != s->width || height != s->height || bits != s->bits || |
427 |
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2230 | memcmp(s->h_count, h_count, sizeof(h_count)) || |
428 |
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2230 | memcmp(s->v_count, v_count, sizeof(v_count))) { |
429 | 362 | size_change = 1; | |
430 | |||
431 | 362 | s->width = width; | |
432 | 362 | s->height = height; | |
433 | 362 | s->bits = bits; | |
434 | 362 | memcpy(s->h_count, h_count, sizeof(h_count)); | |
435 | 362 | memcpy(s->v_count, v_count, sizeof(v_count)); | |
436 | 362 | s->interlaced = 0; | |
437 | 362 | s->got_picture = 0; | |
438 | |||
439 | /* test interlaced mode */ | ||
440 |
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362 | if (s->first_picture && |
441 |
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159 | (s->multiscope != 2 || s->avctx->time_base.den >= 25 * s->avctx->time_base.num) && |
442 |
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159 | s->orig_height != 0 && |
443 |
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123 | s->height < ((s->orig_height * 3) / 4)) { |
444 | 4 | s->interlaced = 1; | |
445 | 4 | s->bottom_field = s->interlace_polarity; | |
446 | 4 | s->picture_ptr->interlaced_frame = 1; | |
447 | 4 | s->picture_ptr->top_field_first = !s->interlace_polarity; | |
448 | 4 | height *= 2; | |
449 | } | ||
450 | |||
451 | 362 | ret = ff_set_dimensions(s->avctx, width, height); | |
452 |
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362 | if (ret < 0) |
453 | ✗ | return ret; | |
454 | |||
455 |
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362 | if ((s->avctx->codec_tag == MKTAG('A', 'V', 'R', 'n') || |
456 |
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362 | s->avctx->codec_tag == MKTAG('A', 'V', 'D', 'J')) && |
457 |
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2 | s->orig_height < height) |
458 | 2 | s->avctx->height = AV_CEIL_RSHIFT(s->orig_height, s->avctx->lowres); | |
459 | |||
460 | 362 | s->first_picture = 0; | |
461 | } else { | ||
462 | 2230 | size_change = 0; | |
463 | } | ||
464 | |||
465 |
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2592 | if (s->avctx->codec_id == AV_CODEC_ID_SMVJPEG) { |
466 | 3 | s->avctx->height = s->avctx->coded_height / s->smv_frames_per_jpeg; | |
467 |
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3 | if (s->avctx->height <= 0) |
468 | ✗ | return AVERROR_INVALIDDATA; | |
469 | } | ||
470 | |||
471 |
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2592 | if (s->got_picture && s->interlaced && (s->bottom_field == !s->interlace_polarity)) { |
472 |
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15 | if (s->progressive) { |
473 | ✗ | avpriv_request_sample(s->avctx, "progressively coded interlaced picture"); | |
474 | ✗ | return AVERROR_INVALIDDATA; | |
475 | } | ||
476 | } else { | ||
477 |
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2577 | if (s->v_max == 1 && s->h_max == 1 && s->lossless==1 && (nb_components==3 || nb_components==4)) |
478 | 205 | s->rgb = 1; | |
479 |
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2372 | else if (!s->lossless) |
480 | 2151 | s->rgb = 0; | |
481 | /* XXX: not complete test ! */ | ||
482 | 2577 | pix_fmt_id = ((unsigned)s->h_count[0] << 28) | (s->v_count[0] << 24) | | |
483 | 2577 | (s->h_count[1] << 20) | (s->v_count[1] << 16) | | |
484 | 2577 | (s->h_count[2] << 12) | (s->v_count[2] << 8) | | |
485 | 2577 | (s->h_count[3] << 4) | s->v_count[3]; | |
486 | 2577 | av_log(s->avctx, AV_LOG_DEBUG, "pix fmt id %x\n", pix_fmt_id); | |
487 | /* NOTE we do not allocate pictures large enough for the possible | ||
488 | * padding of h/v_count being 4 */ | ||
489 |
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2577 | if (!(pix_fmt_id & 0xD0D0D0D0)) |
490 | ✗ | pix_fmt_id -= (pix_fmt_id & 0xF0F0F0F0) >> 1; | |
491 |
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2577 | if (!(pix_fmt_id & 0x0D0D0D0D)) |
492 | 412 | pix_fmt_id -= (pix_fmt_id & 0x0F0F0F0F) >> 1; | |
493 | |||
494 |
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23193 | for (i = 0; i < 8; i++) { |
495 | 20616 | int j = 6 + (i&1) - (i&6); | |
496 | 20616 | int is = (pix_fmt_id >> (4*i)) & 0xF; | |
497 | 20616 | int js = (pix_fmt_id >> (4*j)) & 0xF; | |
498 | |||
499 |
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20616 | if (is == 1 && js != 2 && (i < 2 || i > 5)) |
500 | 1110 | js = (pix_fmt_id >> ( 8 + 4*(i&1))) & 0xF; | |
501 |
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20616 | if (is == 1 && js != 2 && (i < 2 || i > 5)) |
502 | 1110 | js = (pix_fmt_id >> (16 + 4*(i&1))) & 0xF; | |
503 | |||
504 |
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20616 | if (is == 1 && js == 2) { |
505 | ✗ | if (i & 1) s->upscale_h[j/2] = 1; | |
506 | ✗ | else s->upscale_v[j/2] = 1; | |
507 | } | ||
508 | } | ||
509 | |||
510 |
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2577 | if (s->bayer) { |
511 | ✗ | if (pix_fmt_id != 0x11110000 && pix_fmt_id != 0x11000000) | |
512 | ✗ | goto unk_pixfmt; | |
513 | } | ||
514 | |||
515 |
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2577 | switch (pix_fmt_id) { |
516 | ✗ | case 0x11110000: /* for bayer-encoded huffman lossless JPEGs embedded in DNGs */ | |
517 | ✗ | if (!s->bayer) | |
518 | ✗ | goto unk_pixfmt; | |
519 | ✗ | s->avctx->pix_fmt = AV_PIX_FMT_GRAY16LE; | |
520 | ✗ | break; | |
521 | 421 | case 0x11111100: | |
522 |
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421 | if (s->rgb) |
523 |
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205 | s->avctx->pix_fmt = s->bits <= 9 ? AV_PIX_FMT_BGR24 : AV_PIX_FMT_BGR48; |
524 | else { | ||
525 |
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216 | if ( s->adobe_transform == 0 |
526 |
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216 | || s->component_id[0] == 'R' - 1 && s->component_id[1] == 'G' - 1 && s->component_id[2] == 'B' - 1) { |
527 | ✗ | s->avctx->pix_fmt = s->bits <= 8 ? AV_PIX_FMT_GBRP : AV_PIX_FMT_GBRP16; | |
528 | } else { | ||
529 |
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216 | if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_YUVJ444P; |
530 | ✗ | else s->avctx->pix_fmt = AV_PIX_FMT_YUV444P16; | |
531 |
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216 | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; |
532 | } | ||
533 | } | ||
534 |
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421 | av_assert0(s->nb_components == 3); |
535 | 421 | break; | |
536 | ✗ | case 0x11111111: | |
537 | ✗ | if (s->rgb) | |
538 | ✗ | s->avctx->pix_fmt = s->bits <= 9 ? AV_PIX_FMT_ABGR : AV_PIX_FMT_RGBA64; | |
539 | else { | ||
540 | ✗ | if (s->adobe_transform == 0 && s->bits <= 8) { | |
541 | ✗ | s->avctx->pix_fmt = AV_PIX_FMT_GBRAP; | |
542 | } else { | ||
543 | ✗ | s->avctx->pix_fmt = s->bits <= 8 ? AV_PIX_FMT_YUVA444P : AV_PIX_FMT_YUVA444P16; | |
544 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
545 | } | ||
546 | } | ||
547 | ✗ | av_assert0(s->nb_components == 4); | |
548 | ✗ | break; | |
549 | ✗ | case 0x22111122: | |
550 | case 0x22111111: | ||
551 | ✗ | if (s->adobe_transform == 0 && s->bits <= 8) { | |
552 | ✗ | s->avctx->pix_fmt = AV_PIX_FMT_GBRAP; | |
553 | ✗ | s->upscale_v[1] = s->upscale_v[2] = 1; | |
554 | ✗ | s->upscale_h[1] = s->upscale_h[2] = 1; | |
555 | ✗ | } else if (s->adobe_transform == 2 && s->bits <= 8) { | |
556 | ✗ | s->avctx->pix_fmt = AV_PIX_FMT_YUVA444P; | |
557 | ✗ | s->upscale_v[1] = s->upscale_v[2] = 1; | |
558 | ✗ | s->upscale_h[1] = s->upscale_h[2] = 1; | |
559 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
560 | } else { | ||
561 | ✗ | if (s->bits <= 8) s->avctx->pix_fmt = AV_PIX_FMT_YUVA420P; | |
562 | ✗ | else s->avctx->pix_fmt = AV_PIX_FMT_YUVA420P16; | |
563 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
564 | } | ||
565 | ✗ | av_assert0(s->nb_components == 4); | |
566 | ✗ | break; | |
567 | ✗ | case 0x12121100: | |
568 | case 0x22122100: | ||
569 | case 0x21211100: | ||
570 | case 0x21112100: | ||
571 | case 0x22211200: | ||
572 | case 0x22221100: | ||
573 | case 0x22112200: | ||
574 | case 0x11222200: | ||
575 | ✗ | if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_YUVJ444P; | |
576 | else | ||
577 | ✗ | goto unk_pixfmt; | |
578 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
579 | ✗ | break; | |
580 | 18 | case 0x11000000: | |
581 | case 0x13000000: | ||
582 | case 0x14000000: | ||
583 | case 0x31000000: | ||
584 | case 0x33000000: | ||
585 | case 0x34000000: | ||
586 | case 0x41000000: | ||
587 | case 0x43000000: | ||
588 | case 0x44000000: | ||
589 |
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18 | if(s->bits <= 8) |
590 |
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16 | s->avctx->pix_fmt = s->force_pal8 ? AV_PIX_FMT_PAL8 : AV_PIX_FMT_GRAY8; |
591 | else | ||
592 | 2 | s->avctx->pix_fmt = AV_PIX_FMT_GRAY16; | |
593 | 18 | break; | |
594 | ✗ | case 0x12111100: | |
595 | case 0x14121200: | ||
596 | case 0x14111100: | ||
597 | case 0x22211100: | ||
598 | case 0x22112100: | ||
599 | ✗ | if (s->component_id[0] == 'Q' && s->component_id[1] == 'F' && s->component_id[2] == 'A') { | |
600 | ✗ | if (s->bits <= 8) s->avctx->pix_fmt = AV_PIX_FMT_GBRP; | |
601 | else | ||
602 | ✗ | goto unk_pixfmt; | |
603 | ✗ | s->upscale_v[0] = s->upscale_v[1] = 1; | |
604 | } else { | ||
605 | ✗ | if (pix_fmt_id == 0x14111100) | |
606 | ✗ | s->upscale_v[1] = s->upscale_v[2] = 1; | |
607 | ✗ | if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV440P : AV_PIX_FMT_YUVJ440P; | |
608 | else | ||
609 | ✗ | goto unk_pixfmt; | |
610 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
611 | } | ||
612 | ✗ | break; | |
613 | 232 | case 0x21111100: | |
614 |
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232 | if (s->component_id[0] == 'Q' && s->component_id[1] == 'F' && s->component_id[2] == 'A') { |
615 | ✗ | if (s->bits <= 8) s->avctx->pix_fmt = AV_PIX_FMT_GBRP; | |
616 | else | ||
617 | ✗ | goto unk_pixfmt; | |
618 | ✗ | s->upscale_h[0] = s->upscale_h[1] = 1; | |
619 | } else { | ||
620 |
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232 | if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV422P : AV_PIX_FMT_YUVJ422P; |
621 | ✗ | else s->avctx->pix_fmt = AV_PIX_FMT_YUV422P16; | |
622 |
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232 | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; |
623 | } | ||
624 | 232 | break; | |
625 | ✗ | case 0x31111100: | |
626 | ✗ | if (s->bits > 8) | |
627 | ✗ | goto unk_pixfmt; | |
628 | ✗ | s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_YUVJ444P; | |
629 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
630 | ✗ | s->upscale_h[1] = s->upscale_h[2] = 2; | |
631 | ✗ | break; | |
632 | ✗ | case 0x22121100: | |
633 | case 0x22111200: | ||
634 | ✗ | if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV422P : AV_PIX_FMT_YUVJ422P; | |
635 | else | ||
636 | ✗ | goto unk_pixfmt; | |
637 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
638 | ✗ | break; | |
639 | 1906 | case 0x22111100: | |
640 | case 0x23111100: | ||
641 | case 0x42111100: | ||
642 | case 0x24111100: | ||
643 |
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1906 | if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV420P : AV_PIX_FMT_YUVJ420P; |
644 | ✗ | else s->avctx->pix_fmt = AV_PIX_FMT_YUV420P16; | |
645 |
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1906 | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; |
646 |
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|
1906 | if (pix_fmt_id == 0x42111100) { |
647 | ✗ | if (s->bits > 8) | |
648 | ✗ | goto unk_pixfmt; | |
649 | ✗ | s->upscale_h[1] = s->upscale_h[2] = 1; | |
650 |
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|
1906 | } else if (pix_fmt_id == 0x24111100) { |
651 | ✗ | if (s->bits > 8) | |
652 | ✗ | goto unk_pixfmt; | |
653 | ✗ | s->upscale_v[1] = s->upscale_v[2] = 1; | |
654 |
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|
1906 | } else if (pix_fmt_id == 0x23111100) { |
655 | ✗ | if (s->bits > 8) | |
656 | ✗ | goto unk_pixfmt; | |
657 | ✗ | s->upscale_v[1] = s->upscale_v[2] = 2; | |
658 | } | ||
659 | 1906 | break; | |
660 | ✗ | case 0x41111100: | |
661 | ✗ | if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV411P : AV_PIX_FMT_YUVJ411P; | |
662 | else | ||
663 | ✗ | goto unk_pixfmt; | |
664 | ✗ | s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; | |
665 | ✗ | break; | |
666 | default: | ||
667 | ✗ | unk_pixfmt: | |
668 | ✗ | avpriv_report_missing_feature(s->avctx, "Pixel format 0x%x bits:%d", pix_fmt_id, s->bits); | |
669 | ✗ | memset(s->upscale_h, 0, sizeof(s->upscale_h)); | |
670 | ✗ | memset(s->upscale_v, 0, sizeof(s->upscale_v)); | |
671 | ✗ | return AVERROR_PATCHWELCOME; | |
672 | } | ||
673 |
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2577 | if ((AV_RB32(s->upscale_h) || AV_RB32(s->upscale_v)) && s->avctx->lowres) { |
674 | ✗ | avpriv_report_missing_feature(s->avctx, "Lowres for weird subsampling"); | |
675 | ✗ | return AVERROR_PATCHWELCOME; | |
676 | } | ||
677 |
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2577 | if ((AV_RB32(s->upscale_h) || AV_RB32(s->upscale_v)) && s->progressive && s->avctx->pix_fmt == AV_PIX_FMT_GBRP) { |
678 | ✗ | avpriv_report_missing_feature(s->avctx, "progressive for weird subsampling"); | |
679 | ✗ | return AVERROR_PATCHWELCOME; | |
680 | } | ||
681 |
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|
2577 | if (s->ls) { |
682 | 221 | memset(s->upscale_h, 0, sizeof(s->upscale_h)); | |
683 | 221 | memset(s->upscale_v, 0, sizeof(s->upscale_v)); | |
684 |
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|
221 | if (s->nb_components == 3) { |
685 | 205 | s->avctx->pix_fmt = AV_PIX_FMT_RGB24; | |
686 |
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|
16 | } else if (s->nb_components != 1) { |
687 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Unsupported number of components %d\n", s->nb_components); | |
688 | ✗ | return AVERROR_PATCHWELCOME; | |
689 |
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16 | } else if ((s->palette_index || s->force_pal8) && s->bits <= 8) |
690 | 8 | s->avctx->pix_fmt = AV_PIX_FMT_PAL8; | |
691 |
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|
8 | else if (s->bits <= 8) |
692 | 8 | s->avctx->pix_fmt = AV_PIX_FMT_GRAY8; | |
693 | else | ||
694 | ✗ | s->avctx->pix_fmt = AV_PIX_FMT_GRAY16; | |
695 | } | ||
696 | |||
697 | 2577 | s->pix_desc = av_pix_fmt_desc_get(s->avctx->pix_fmt); | |
698 |
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|
2577 | if (!s->pix_desc) { |
699 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Could not get a pixel format descriptor.\n"); | |
700 | ✗ | return AVERROR_BUG; | |
701 | } | ||
702 | |||
703 |
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|
2577 | if (s->avctx->pix_fmt == s->hwaccel_sw_pix_fmt && !size_change) { |
704 | 2207 | s->avctx->pix_fmt = s->hwaccel_pix_fmt; | |
705 | } else { | ||
706 | 370 | enum AVPixelFormat pix_fmts[] = { | |
707 | #if CONFIG_MJPEG_NVDEC_HWACCEL | ||
708 | AV_PIX_FMT_CUDA, | ||
709 | #endif | ||
710 | #if CONFIG_MJPEG_VAAPI_HWACCEL | ||
711 | AV_PIX_FMT_VAAPI, | ||
712 | #endif | ||
713 | 370 | s->avctx->pix_fmt, | |
714 | AV_PIX_FMT_NONE, | ||
715 | }; | ||
716 | 370 | s->hwaccel_pix_fmt = ff_get_format(s->avctx, pix_fmts); | |
717 |
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|
370 | if (s->hwaccel_pix_fmt < 0) |
718 | ✗ | return AVERROR(EINVAL); | |
719 | |||
720 | 370 | s->hwaccel_sw_pix_fmt = s->avctx->pix_fmt; | |
721 | 370 | s->avctx->pix_fmt = s->hwaccel_pix_fmt; | |
722 | } | ||
723 | |||
724 |
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2577 | if (s->avctx->skip_frame == AVDISCARD_ALL) { |
725 | 75 | s->picture_ptr->pict_type = AV_PICTURE_TYPE_I; | |
726 | 75 | s->picture_ptr->key_frame = 1; | |
727 | 75 | s->got_picture = 1; | |
728 | 75 | return 0; | |
729 | } | ||
730 | |||
731 | 2502 | av_frame_unref(s->picture_ptr); | |
732 |
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|
2502 | if (ff_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF) < 0) |
733 | ✗ | return -1; | |
734 | 2502 | s->picture_ptr->pict_type = AV_PICTURE_TYPE_I; | |
735 | 2502 | s->picture_ptr->key_frame = 1; | |
736 | 2502 | s->got_picture = 1; | |
737 | |||
738 | // Lets clear the palette to avoid leaving uninitialized values in it | ||
739 |
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|
2502 | if (s->avctx->pix_fmt == AV_PIX_FMT_PAL8) |
740 | 8 | memset(s->picture_ptr->data[1], 0, 1024); | |
741 | |||
742 |
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12510 | for (i = 0; i < 4; i++) |
743 | 10008 | s->linesize[i] = s->picture_ptr->linesize[i] << s->interlaced; | |
744 | |||
745 | ff_dlog(s->avctx, "%d %d %d %d %d %d\n", | ||
746 | s->width, s->height, s->linesize[0], s->linesize[1], | ||
747 | s->interlaced, s->avctx->height); | ||
748 | |||
749 | } | ||
750 | |||
751 |
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2517 | if ((s->rgb && !s->lossless && !s->ls) || |
752 |
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2517 | (!s->rgb && s->ls && s->nb_components > 1) || |
753 |
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|
2517 | (s->avctx->pix_fmt == AV_PIX_FMT_PAL8 && !s->ls) |
754 | ) { | ||
755 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Unsupported coding and pixel format combination\n"); | |
756 | ✗ | return AVERROR_PATCHWELCOME; | |
757 | } | ||
758 | |||
759 | /* totally blank picture as progressive JPEG will only add details to it */ | ||
760 |
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|
2517 | if (s->progressive) { |
761 | ✗ | int bw = (width + s->h_max * 8 - 1) / (s->h_max * 8); | |
762 | ✗ | int bh = (height + s->v_max * 8 - 1) / (s->v_max * 8); | |
763 | ✗ | for (i = 0; i < s->nb_components; i++) { | |
764 | ✗ | int size = bw * bh * s->h_count[i] * s->v_count[i]; | |
765 | ✗ | av_freep(&s->blocks[i]); | |
766 | ✗ | av_freep(&s->last_nnz[i]); | |
767 | ✗ | s->blocks[i] = av_calloc(size, sizeof(**s->blocks)); | |
768 | ✗ | s->last_nnz[i] = av_calloc(size, sizeof(**s->last_nnz)); | |
769 | ✗ | if (!s->blocks[i] || !s->last_nnz[i]) | |
770 | ✗ | return AVERROR(ENOMEM); | |
771 | ✗ | s->block_stride[i] = bw * s->h_count[i]; | |
772 | } | ||
773 | ✗ | memset(s->coefs_finished, 0, sizeof(s->coefs_finished)); | |
774 | } | ||
775 | |||
776 |
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|
2517 | if (s->avctx->hwaccel) { |
777 | ✗ | s->hwaccel_picture_private = | |
778 | ✗ | av_mallocz(s->avctx->hwaccel->frame_priv_data_size); | |
779 | ✗ | if (!s->hwaccel_picture_private) | |
780 | ✗ | return AVERROR(ENOMEM); | |
781 | |||
782 | ✗ | ret = s->avctx->hwaccel->start_frame(s->avctx, s->raw_image_buffer, | |
783 | ✗ | s->raw_image_buffer_size); | |
784 | ✗ | if (ret < 0) | |
785 | ✗ | return ret; | |
786 | } | ||
787 | |||
788 | 2517 | return 0; | |
789 | } | ||
790 | |||
791 | 26798972 | static inline int mjpeg_decode_dc(MJpegDecodeContext *s, int dc_index) | |
792 | { | ||
793 | int code; | ||
794 | 26798972 | code = get_vlc2(&s->gb, s->vlcs[0][dc_index].table, 9, 2); | |
795 |
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26798972 | if (code < 0 || code > 16) { |
796 | ✗ | av_log(s->avctx, AV_LOG_WARNING, | |
797 | "mjpeg_decode_dc: bad vlc: %d:%d (%p)\n", | ||
798 | 0, dc_index, &s->vlcs[0][dc_index]); | ||
799 | ✗ | return 0xfffff; | |
800 | } | ||
801 | |||
802 |
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26798972 | if (code) |
803 | 23760047 | return get_xbits(&s->gb, code); | |
804 | else | ||
805 | 3038925 | return 0; | |
806 | } | ||
807 | |||
808 | /* decode block and dequantize */ | ||
809 | 3902672 | static int decode_block(MJpegDecodeContext *s, int16_t *block, int component, | |
810 | int dc_index, int ac_index, uint16_t *quant_matrix) | ||
811 | { | ||
812 | int code, i, j, level, val; | ||
813 | |||
814 | /* DC coef */ | ||
815 | 3902672 | val = mjpeg_decode_dc(s, dc_index); | |
816 |
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3902672 | if (val == 0xfffff) { |
817 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "error dc\n"); | |
818 | ✗ | return AVERROR_INVALIDDATA; | |
819 | } | ||
820 | 3902672 | val = val * (unsigned)quant_matrix[0] + s->last_dc[component]; | |
821 | 3902672 | val = av_clip_int16(val); | |
822 | 3902672 | s->last_dc[component] = val; | |
823 | 3902672 | block[0] = val; | |
824 | /* AC coefs */ | ||
825 | 3902672 | i = 0; | |
826 | 3902672 | {OPEN_READER(re, &s->gb); | |
827 | do { | ||
828 | 36156496 | UPDATE_CACHE(re, &s->gb); | |
829 |
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✓ Branch 2 taken 35792470 times.
|
36156496 | GET_VLC(code, re, &s->gb, s->vlcs[1][ac_index].table, 9, 2); |
830 | |||
831 | 36156496 | i += ((unsigned)code) >> 4; | |
832 | 36156496 | code &= 0xf; | |
833 |
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|
36156496 | if (code) { |
834 |
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|
32304580 | if (code > MIN_CACHE_BITS - 16) |
835 | 485 | UPDATE_CACHE(re, &s->gb); | |
836 | |||
837 | { | ||
838 | 32304580 | int cache = GET_CACHE(re, &s->gb); | |
839 | 32304580 | int sign = (~cache) >> 31; | |
840 | 32304580 | level = (NEG_USR32(sign ^ cache,code) ^ sign) - sign; | |
841 | } | ||
842 | |||
843 | 32304580 | LAST_SKIP_BITS(re, &s->gb, code); | |
844 | |||
845 |
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|
32304580 | if (i > 63) { |
846 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "error count: %d\n", i); | |
847 | ✗ | return AVERROR_INVALIDDATA; | |
848 | } | ||
849 | 32304580 | j = s->scantable.permutated[i]; | |
850 | 32304580 | block[j] = level * quant_matrix[i]; | |
851 | } | ||
852 |
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|
36156496 | } while (i < 63); |
853 | 3902672 | CLOSE_READER(re, &s->gb);} | |
854 | |||
855 | 3902672 | return 0; | |
856 | } | ||
857 | |||
858 | ✗ | static int decode_dc_progressive(MJpegDecodeContext *s, int16_t *block, | |
859 | int component, int dc_index, | ||
860 | uint16_t *quant_matrix, int Al) | ||
861 | { | ||
862 | unsigned val; | ||
863 | ✗ | s->bdsp.clear_block(block); | |
864 | ✗ | val = mjpeg_decode_dc(s, dc_index); | |
865 | ✗ | if (val == 0xfffff) { | |
866 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "error dc\n"); | |
867 | ✗ | return AVERROR_INVALIDDATA; | |
868 | } | ||
869 | ✗ | val = (val * (quant_matrix[0] << Al)) + s->last_dc[component]; | |
870 | ✗ | s->last_dc[component] = val; | |
871 | ✗ | block[0] = val; | |
872 | ✗ | return 0; | |
873 | } | ||
874 | |||
875 | /* decode block and dequantize - progressive JPEG version */ | ||
876 | ✗ | static int decode_block_progressive(MJpegDecodeContext *s, int16_t *block, | |
877 | uint8_t *last_nnz, int ac_index, | ||
878 | uint16_t *quant_matrix, | ||
879 | int ss, int se, int Al, int *EOBRUN) | ||
880 | { | ||
881 | int code, i, j, val, run; | ||
882 | unsigned level; | ||
883 | |||
884 | ✗ | if (*EOBRUN) { | |
885 | ✗ | (*EOBRUN)--; | |
886 | ✗ | return 0; | |
887 | } | ||
888 | |||
889 | { | ||
890 | ✗ | OPEN_READER(re, &s->gb); | |
891 | ✗ | for (i = ss; ; i++) { | |
892 | ✗ | UPDATE_CACHE(re, &s->gb); | |
893 | ✗ | GET_VLC(code, re, &s->gb, s->vlcs[2][ac_index].table, 9, 2); | |
894 | |||
895 | ✗ | run = ((unsigned) code) >> 4; | |
896 | ✗ | code &= 0xF; | |
897 | ✗ | if (code) { | |
898 | ✗ | i += run; | |
899 | ✗ | if (code > MIN_CACHE_BITS - 16) | |
900 | ✗ | UPDATE_CACHE(re, &s->gb); | |
901 | |||
902 | { | ||
903 | ✗ | int cache = GET_CACHE(re, &s->gb); | |
904 | ✗ | int sign = (~cache) >> 31; | |
905 | ✗ | level = (NEG_USR32(sign ^ cache,code) ^ sign) - sign; | |
906 | } | ||
907 | |||
908 | ✗ | LAST_SKIP_BITS(re, &s->gb, code); | |
909 | |||
910 | ✗ | if (i >= se) { | |
911 | ✗ | if (i == se) { | |
912 | ✗ | j = s->scantable.permutated[se]; | |
913 | ✗ | block[j] = level * (quant_matrix[se] << Al); | |
914 | ✗ | break; | |
915 | } | ||
916 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "error count: %d\n", i); | |
917 | ✗ | return AVERROR_INVALIDDATA; | |
918 | } | ||
919 | ✗ | j = s->scantable.permutated[i]; | |
920 | ✗ | block[j] = level * (quant_matrix[i] << Al); | |
921 | } else { | ||
922 | ✗ | if (run == 0xF) {// ZRL - skip 15 coefficients | |
923 | ✗ | i += 15; | |
924 | ✗ | if (i >= se) { | |
925 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "ZRL overflow: %d\n", i); | |
926 | ✗ | return AVERROR_INVALIDDATA; | |
927 | } | ||
928 | } else { | ||
929 | ✗ | val = (1 << run); | |
930 | ✗ | if (run) { | |
931 | ✗ | UPDATE_CACHE(re, &s->gb); | |
932 | ✗ | val += NEG_USR32(GET_CACHE(re, &s->gb), run); | |
933 | ✗ | LAST_SKIP_BITS(re, &s->gb, run); | |
934 | } | ||
935 | ✗ | *EOBRUN = val - 1; | |
936 | ✗ | break; | |
937 | } | ||
938 | } | ||
939 | } | ||
940 | ✗ | CLOSE_READER(re, &s->gb); | |
941 | } | ||
942 | |||
943 | ✗ | if (i > *last_nnz) | |
944 | ✗ | *last_nnz = i; | |
945 | |||
946 | ✗ | return 0; | |
947 | } | ||
948 | |||
949 | #define REFINE_BIT(j) { \ | ||
950 | UPDATE_CACHE(re, &s->gb); \ | ||
951 | sign = block[j] >> 15; \ | ||
952 | block[j] += SHOW_UBITS(re, &s->gb, 1) * \ | ||
953 | ((quant_matrix[i] ^ sign) - sign) << Al; \ | ||
954 | LAST_SKIP_BITS(re, &s->gb, 1); \ | ||
955 | } | ||
956 | |||
957 | #define ZERO_RUN \ | ||
958 | for (; ; i++) { \ | ||
959 | if (i > last) { \ | ||
960 | i += run; \ | ||
961 | if (i > se) { \ | ||
962 | av_log(s->avctx, AV_LOG_ERROR, "error count: %d\n", i); \ | ||
963 | return -1; \ | ||
964 | } \ | ||
965 | break; \ | ||
966 | } \ | ||
967 | j = s->scantable.permutated[i]; \ | ||
968 | if (block[j]) \ | ||
969 | REFINE_BIT(j) \ | ||
970 | else if (run-- == 0) \ | ||
971 | break; \ | ||
972 | } | ||
973 | |||
974 | /* decode block and dequantize - progressive JPEG refinement pass */ | ||
975 | ✗ | static int decode_block_refinement(MJpegDecodeContext *s, int16_t *block, | |
976 | uint8_t *last_nnz, | ||
977 | int ac_index, uint16_t *quant_matrix, | ||
978 | int ss, int se, int Al, int *EOBRUN) | ||
979 | { | ||
980 | ✗ | int code, i = ss, j, sign, val, run; | |
981 | ✗ | int last = FFMIN(se, *last_nnz); | |
982 | |||
983 | ✗ | OPEN_READER(re, &s->gb); | |
984 | ✗ | if (*EOBRUN) { | |
985 | ✗ | (*EOBRUN)--; | |
986 | } else { | ||
987 | ✗ | for (; ; i++) { | |
988 | ✗ | UPDATE_CACHE(re, &s->gb); | |
989 | ✗ | GET_VLC(code, re, &s->gb, s->vlcs[2][ac_index].table, 9, 2); | |
990 | |||
991 | ✗ | if (code & 0xF) { | |
992 | ✗ | run = ((unsigned) code) >> 4; | |
993 | ✗ | UPDATE_CACHE(re, &s->gb); | |
994 | ✗ | val = SHOW_UBITS(re, &s->gb, 1); | |
995 | ✗ | LAST_SKIP_BITS(re, &s->gb, 1); | |
996 | ✗ | ZERO_RUN; | |
997 | ✗ | j = s->scantable.permutated[i]; | |
998 | ✗ | val--; | |
999 | ✗ | block[j] = ((quant_matrix[i] << Al) ^ val) - val; | |
1000 | ✗ | if (i == se) { | |
1001 | ✗ | if (i > *last_nnz) | |
1002 | ✗ | *last_nnz = i; | |
1003 | ✗ | CLOSE_READER(re, &s->gb); | |
1004 | ✗ | return 0; | |
1005 | } | ||
1006 | } else { | ||
1007 | ✗ | run = ((unsigned) code) >> 4; | |
1008 | ✗ | if (run == 0xF) { | |
1009 | ✗ | ZERO_RUN; | |
1010 | } else { | ||
1011 | ✗ | val = run; | |
1012 | ✗ | run = (1 << run); | |
1013 | ✗ | if (val) { | |
1014 | ✗ | UPDATE_CACHE(re, &s->gb); | |
1015 | ✗ | run += SHOW_UBITS(re, &s->gb, val); | |
1016 | ✗ | LAST_SKIP_BITS(re, &s->gb, val); | |
1017 | } | ||
1018 | ✗ | *EOBRUN = run - 1; | |
1019 | ✗ | break; | |
1020 | } | ||
1021 | } | ||
1022 | } | ||
1023 | |||
1024 | ✗ | if (i > *last_nnz) | |
1025 | ✗ | *last_nnz = i; | |
1026 | } | ||
1027 | |||
1028 | ✗ | for (; i <= last; i++) { | |
1029 | ✗ | j = s->scantable.permutated[i]; | |
1030 | ✗ | if (block[j]) | |
1031 | ✗ | REFINE_BIT(j) | |
1032 | } | ||
1033 | ✗ | CLOSE_READER(re, &s->gb); | |
1034 | |||
1035 | ✗ | return 0; | |
1036 | } | ||
1037 | #undef REFINE_BIT | ||
1038 | #undef ZERO_RUN | ||
1039 | |||
1040 | 775496 | static int handle_rstn(MJpegDecodeContext *s, int nb_components) | |
1041 | { | ||
1042 | int i; | ||
1043 | 775496 | int reset = 0; | |
1044 | |||
1045 |
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|
775496 | if (s->restart_interval) { |
1046 | ✗ | s->restart_count--; | |
1047 | ✗ | if(s->restart_count == 0 && s->avctx->codec_id == AV_CODEC_ID_THP){ | |
1048 | ✗ | align_get_bits(&s->gb); | |
1049 | ✗ | for (i = 0; i < nb_components; i++) /* reset dc */ | |
1050 | ✗ | s->last_dc[i] = (4 << s->bits); | |
1051 | } | ||
1052 | |||
1053 | ✗ | i = 8 + ((-get_bits_count(&s->gb)) & 7); | |
1054 | /* skip RSTn */ | ||
1055 | ✗ | if (s->restart_count == 0) { | |
1056 | ✗ | if( show_bits(&s->gb, i) == (1 << i) - 1 | |
1057 | ✗ | || show_bits(&s->gb, i) == 0xFF) { | |
1058 | ✗ | int pos = get_bits_count(&s->gb); | |
1059 | ✗ | align_get_bits(&s->gb); | |
1060 | ✗ | while (get_bits_left(&s->gb) >= 8 && show_bits(&s->gb, 8) == 0xFF) | |
1061 | ✗ | skip_bits(&s->gb, 8); | |
1062 | ✗ | if (get_bits_left(&s->gb) >= 8 && (get_bits(&s->gb, 8) & 0xF8) == 0xD0) { | |
1063 | ✗ | for (i = 0; i < nb_components; i++) /* reset dc */ | |
1064 | ✗ | s->last_dc[i] = (4 << s->bits); | |
1065 | ✗ | reset = 1; | |
1066 | } else | ||
1067 | ✗ | skip_bits_long(&s->gb, pos - get_bits_count(&s->gb)); | |
1068 | } | ||
1069 | } | ||
1070 | } | ||
1071 | 775496 | return reset; | |
1072 | } | ||
1073 | |||
1074 | /* Handles 1 to 4 components */ | ||
1075 | ✗ | static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int predictor, int point_transform) | |
1076 | { | ||
1077 | int i, mb_x, mb_y; | ||
1078 | unsigned width; | ||
1079 | uint16_t (*buffer)[4]; | ||
1080 | int left[4], top[4], topleft[4]; | ||
1081 | ✗ | const int linesize = s->linesize[0]; | |
1082 | ✗ | const int mask = ((1 << s->bits) - 1) << point_transform; | |
1083 | ✗ | int resync_mb_y = 0; | |
1084 | ✗ | int resync_mb_x = 0; | |
1085 | int vpred[6]; | ||
1086 | |||
1087 | ✗ | if (!s->bayer && s->nb_components < 3) | |
1088 | ✗ | return AVERROR_INVALIDDATA; | |
1089 | ✗ | if (s->bayer && s->nb_components > 2) | |
1090 | ✗ | return AVERROR_INVALIDDATA; | |
1091 | ✗ | if (s->nb_components <= 0 || s->nb_components > 4) | |
1092 | ✗ | return AVERROR_INVALIDDATA; | |
1093 | ✗ | if (s->v_max != 1 || s->h_max != 1 || !s->lossless) | |
1094 | ✗ | return AVERROR_INVALIDDATA; | |
1095 | |||
1096 | |||
1097 | ✗ | s->restart_count = s->restart_interval; | |
1098 | |||
1099 | ✗ | if (s->restart_interval == 0) | |
1100 | ✗ | s->restart_interval = INT_MAX; | |
1101 | |||
1102 | ✗ | if (s->bayer) | |
1103 | ✗ | width = s->mb_width / nb_components; /* Interleaved, width stored is the total so need to divide */ | |
1104 | else | ||
1105 | ✗ | width = s->mb_width; | |
1106 | |||
1107 | ✗ | av_fast_malloc(&s->ljpeg_buffer, &s->ljpeg_buffer_size, width * 4 * sizeof(s->ljpeg_buffer[0][0])); | |
1108 | ✗ | if (!s->ljpeg_buffer) | |
1109 | ✗ | return AVERROR(ENOMEM); | |
1110 | |||
1111 | ✗ | buffer = s->ljpeg_buffer; | |
1112 | |||
1113 | ✗ | for (i = 0; i < 4; i++) | |
1114 | ✗ | buffer[0][i] = 1 << (s->bits - 1); | |
1115 | |||
1116 | ✗ | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { | |
1117 | ✗ | uint8_t *ptr = s->picture_ptr->data[0] + (linesize * mb_y); | |
1118 | |||
1119 | ✗ | if (s->interlaced && s->bottom_field) | |
1120 | ✗ | ptr += linesize >> 1; | |
1121 | |||
1122 | ✗ | for (i = 0; i < 4; i++) | |
1123 | ✗ | top[i] = left[i] = topleft[i] = buffer[0][i]; | |
1124 | |||
1125 | ✗ | if ((mb_y * s->width) % s->restart_interval == 0) { | |
1126 | ✗ | for (i = 0; i < 6; i++) | |
1127 | ✗ | vpred[i] = 1 << (s->bits-1); | |
1128 | } | ||
1129 | |||
1130 | ✗ | for (mb_x = 0; mb_x < width; mb_x++) { | |
1131 | ✗ | int modified_predictor = predictor; | |
1132 | |||
1133 | ✗ | if (get_bits_left(&s->gb) < 1) { | |
1134 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "bitstream end in rgb_scan\n"); | |
1135 | ✗ | return AVERROR_INVALIDDATA; | |
1136 | } | ||
1137 | |||
1138 | ✗ | if (s->restart_interval && !s->restart_count){ | |
1139 | ✗ | s->restart_count = s->restart_interval; | |
1140 | ✗ | resync_mb_x = mb_x; | |
1141 | ✗ | resync_mb_y = mb_y; | |
1142 | ✗ | for(i=0; i<4; i++) | |
1143 | ✗ | top[i] = left[i]= topleft[i]= 1 << (s->bits - 1); | |
1144 | } | ||
1145 | ✗ | if (mb_y == resync_mb_y || mb_y == resync_mb_y+1 && mb_x < resync_mb_x || !mb_x) | |
1146 | ✗ | modified_predictor = 1; | |
1147 | |||
1148 | ✗ | for (i=0;i<nb_components;i++) { | |
1149 | int pred, dc; | ||
1150 | |||
1151 | ✗ | topleft[i] = top[i]; | |
1152 | ✗ | top[i] = buffer[mb_x][i]; | |
1153 | |||
1154 | ✗ | dc = mjpeg_decode_dc(s, s->dc_index[i]); | |
1155 | ✗ | if(dc == 0xFFFFF) | |
1156 | ✗ | return -1; | |
1157 | |||
1158 | ✗ | if (!s->bayer || mb_x) { | |
1159 | ✗ | pred = left[i]; | |
1160 | } else { /* This path runs only for the first line in bayer images */ | ||
1161 | ✗ | vpred[i] += dc; | |
1162 | ✗ | pred = vpred[i] - dc; | |
1163 | } | ||
1164 | |||
1165 | ✗ | PREDICT(pred, topleft[i], top[i], pred, modified_predictor); | |
1166 | |||
1167 | ✗ | left[i] = buffer[mb_x][i] = | |
1168 | ✗ | mask & (pred + (unsigned)(dc * (1 << point_transform))); | |
1169 | } | ||
1170 | |||
1171 | ✗ | if (s->restart_interval && !--s->restart_count) { | |
1172 | ✗ | align_get_bits(&s->gb); | |
1173 | ✗ | skip_bits(&s->gb, 16); /* skip RSTn */ | |
1174 | } | ||
1175 | } | ||
1176 | ✗ | if (s->rct && s->nb_components == 4) { | |
1177 | ✗ | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1178 | ✗ | ptr[4*mb_x + 2] = buffer[mb_x][0] - ((buffer[mb_x][1] + buffer[mb_x][2] - 0x200) >> 2); | |
1179 | ✗ | ptr[4*mb_x + 1] = buffer[mb_x][1] + ptr[4*mb_x + 2]; | |
1180 | ✗ | ptr[4*mb_x + 3] = buffer[mb_x][2] + ptr[4*mb_x + 2]; | |
1181 | ✗ | ptr[4*mb_x + 0] = buffer[mb_x][3]; | |
1182 | } | ||
1183 | ✗ | } else if (s->nb_components == 4) { | |
1184 | ✗ | for(i=0; i<nb_components; i++) { | |
1185 | ✗ | int c= s->comp_index[i]; | |
1186 | ✗ | if (s->bits <= 8) { | |
1187 | ✗ | for(mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1188 | ✗ | ptr[4*mb_x+3-c] = buffer[mb_x][i]; | |
1189 | } | ||
1190 | ✗ | } else if(s->bits == 9) { | |
1191 | ✗ | return AVERROR_PATCHWELCOME; | |
1192 | } else { | ||
1193 | ✗ | for(mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1194 | ✗ | ((uint16_t*)ptr)[4*mb_x+c] = buffer[mb_x][i]; | |
1195 | } | ||
1196 | } | ||
1197 | } | ||
1198 | ✗ | } else if (s->rct) { | |
1199 | ✗ | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1200 | ✗ | ptr[3*mb_x + 1] = buffer[mb_x][0] - ((buffer[mb_x][1] + buffer[mb_x][2] - 0x200) >> 2); | |
1201 | ✗ | ptr[3*mb_x + 0] = buffer[mb_x][1] + ptr[3*mb_x + 1]; | |
1202 | ✗ | ptr[3*mb_x + 2] = buffer[mb_x][2] + ptr[3*mb_x + 1]; | |
1203 | } | ||
1204 | ✗ | } else if (s->pegasus_rct) { | |
1205 | ✗ | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1206 | ✗ | ptr[3*mb_x + 1] = buffer[mb_x][0] - ((buffer[mb_x][1] + buffer[mb_x][2]) >> 2); | |
1207 | ✗ | ptr[3*mb_x + 0] = buffer[mb_x][1] + ptr[3*mb_x + 1]; | |
1208 | ✗ | ptr[3*mb_x + 2] = buffer[mb_x][2] + ptr[3*mb_x + 1]; | |
1209 | } | ||
1210 | ✗ | } else if (s->bayer) { | |
1211 | ✗ | if (nb_components == 1) { | |
1212 | /* Leave decoding to the TIFF/DNG decoder (see comment in ff_mjpeg_decode_sof) */ | ||
1213 | ✗ | for (mb_x = 0; mb_x < width; mb_x++) | |
1214 | ✗ | ((uint16_t*)ptr)[mb_x] = buffer[mb_x][0]; | |
1215 | ✗ | } else if (nb_components == 2) { | |
1216 | ✗ | for (mb_x = 0; mb_x < width; mb_x++) { | |
1217 | ✗ | ((uint16_t*)ptr)[2*mb_x + 0] = buffer[mb_x][0]; | |
1218 | ✗ | ((uint16_t*)ptr)[2*mb_x + 1] = buffer[mb_x][1]; | |
1219 | } | ||
1220 | } | ||
1221 | } else { | ||
1222 | ✗ | for(i=0; i<nb_components; i++) { | |
1223 | ✗ | int c= s->comp_index[i]; | |
1224 | ✗ | if (s->bits <= 8) { | |
1225 | ✗ | for(mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1226 | ✗ | ptr[3*mb_x+2-c] = buffer[mb_x][i]; | |
1227 | } | ||
1228 | ✗ | } else if(s->bits == 9) { | |
1229 | ✗ | return AVERROR_PATCHWELCOME; | |
1230 | } else { | ||
1231 | ✗ | for(mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1232 | ✗ | ((uint16_t*)ptr)[3*mb_x+2-c] = buffer[mb_x][i]; | |
1233 | } | ||
1234 | } | ||
1235 | } | ||
1236 | } | ||
1237 | } | ||
1238 | ✗ | return 0; | |
1239 | } | ||
1240 | |||
1241 | 200 | static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor, | |
1242 | int point_transform, int nb_components) | ||
1243 | { | ||
1244 | int i, mb_x, mb_y, mask; | ||
1245 | 200 | int bits= (s->bits+7)&~7; | |
1246 | 200 | int resync_mb_y = 0; | |
1247 | 200 | int resync_mb_x = 0; | |
1248 | |||
1249 | 200 | point_transform += bits - s->bits; | |
1250 | 200 | mask = ((1 << s->bits) - 1) << point_transform; | |
1251 | |||
1252 |
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200 | av_assert0(nb_components>=1 && nb_components<=4); |
1253 | |||
1254 |
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22650 | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { |
1255 |
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3838500 | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
1256 |
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3816050 | if (get_bits_left(&s->gb) < 1) { |
1257 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "bitstream end in yuv_scan\n"); | |
1258 | ✗ | return AVERROR_INVALIDDATA; | |
1259 | } | ||
1260 |
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3816050 | if (s->restart_interval && !s->restart_count){ |
1261 | ✗ | s->restart_count = s->restart_interval; | |
1262 | ✗ | resync_mb_x = mb_x; | |
1263 | ✗ | resync_mb_y = mb_y; | |
1264 | } | ||
1265 | |||
1266 |
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3865550 | if(!mb_x || mb_y == resync_mb_y || mb_y == resync_mb_y+1 && mb_x < resync_mb_x || s->interlaced){ |
1267 |
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49500 | int toprow = mb_y == resync_mb_y || mb_y == resync_mb_y+1 && mb_x < resync_mb_x; |
1268 |
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49500 | int leftcol = !mb_x || mb_y == resync_mb_y && mb_x == resync_mb_x; |
1269 |
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198000 | for (i = 0; i < nb_components; i++) { |
1270 | uint8_t *ptr; | ||
1271 | uint16_t *ptr16; | ||
1272 | int n, h, v, x, y, c, j, linesize; | ||
1273 | 148500 | n = s->nb_blocks[i]; | |
1274 | 148500 | c = s->comp_index[i]; | |
1275 | 148500 | h = s->h_scount[i]; | |
1276 | 148500 | v = s->v_scount[i]; | |
1277 | 148500 | x = 0; | |
1278 | 148500 | y = 0; | |
1279 | 148500 | linesize= s->linesize[c]; | |
1280 | |||
1281 |
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148500 | if(bits>8) linesize /= 2; |
1282 | |||
1283 |
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445500 | for(j=0; j<n; j++) { |
1284 | int pred, dc; | ||
1285 | |||
1286 | 297000 | dc = mjpeg_decode_dc(s, s->dc_index[i]); | |
1287 |
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297000 | if(dc == 0xFFFFF) |
1288 | ✗ | return -1; | |
1289 |
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297000 | if ( h * mb_x + x >= s->width |
1290 |
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297000 | || v * mb_y + y >= s->height) { |
1291 | // Nothing to do | ||
1292 |
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297000 | } else if (bits<=8) { |
1293 | 297000 | ptr = s->picture_ptr->data[c] + (linesize * (v * mb_y + y)) + (h * mb_x + x); //FIXME optimize this crap | |
1294 |
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297000 | if(y==0 && toprow){ |
1295 |
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109000 | if(x==0 && leftcol){ |
1296 | 600 | pred= 1 << (bits - 1); | |
1297 | }else{ | ||
1298 | 108400 | pred= ptr[-1]; | |
1299 | } | ||
1300 | }else{ | ||
1301 |
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188000 | if(x==0 && leftcol){ |
1302 | 89200 | pred= ptr[-linesize]; | |
1303 | }else{ | ||
1304 |
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98800 | PREDICT(pred, ptr[-linesize-1], ptr[-linesize], ptr[-1], predictor); |
1305 | } | ||
1306 | } | ||
1307 | |||
1308 |
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297000 | if (s->interlaced && s->bottom_field) |
1309 | ✗ | ptr += linesize >> 1; | |
1310 | 297000 | pred &= mask; | |
1311 | 297000 | *ptr= pred + ((unsigned)dc << point_transform); | |
1312 | }else{ | ||
1313 | ✗ | ptr16 = (uint16_t*)(s->picture_ptr->data[c] + 2*(linesize * (v * mb_y + y)) + 2*(h * mb_x + x)); //FIXME optimize this crap | |
1314 | ✗ | if(y==0 && toprow){ | |
1315 | ✗ | if(x==0 && leftcol){ | |
1316 | ✗ | pred= 1 << (bits - 1); | |
1317 | }else{ | ||
1318 | ✗ | pred= ptr16[-1]; | |
1319 | } | ||
1320 | }else{ | ||
1321 | ✗ | if(x==0 && leftcol){ | |
1322 | ✗ | pred= ptr16[-linesize]; | |
1323 | }else{ | ||
1324 | ✗ | PREDICT(pred, ptr16[-linesize-1], ptr16[-linesize], ptr16[-1], predictor); | |
1325 | } | ||
1326 | } | ||
1327 | |||
1328 | ✗ | if (s->interlaced && s->bottom_field) | |
1329 | ✗ | ptr16 += linesize >> 1; | |
1330 | ✗ | pred &= mask; | |
1331 | ✗ | *ptr16= pred + ((unsigned)dc << point_transform); | |
1332 | } | ||
1333 |
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297000 | if (++x == h) { |
1334 | 198000 | x = 0; | |
1335 | 198000 | y++; | |
1336 | } | ||
1337 | } | ||
1338 | } | ||
1339 | } else { | ||
1340 |
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15066200 | for (i = 0; i < nb_components; i++) { |
1341 | uint8_t *ptr; | ||
1342 | uint16_t *ptr16; | ||
1343 | int n, h, v, x, y, c, j, linesize, dc; | ||
1344 | 11299650 | n = s->nb_blocks[i]; | |
1345 | 11299650 | c = s->comp_index[i]; | |
1346 | 11299650 | h = s->h_scount[i]; | |
1347 | 11299650 | v = s->v_scount[i]; | |
1348 | 11299650 | x = 0; | |
1349 | 11299650 | y = 0; | |
1350 | 11299650 | linesize = s->linesize[c]; | |
1351 | |||
1352 |
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11299650 | if(bits>8) linesize /= 2; |
1353 | |||
1354 |
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33898950 | for (j = 0; j < n; j++) { |
1355 | int pred; | ||
1356 | |||
1357 | 22599300 | dc = mjpeg_decode_dc(s, s->dc_index[i]); | |
1358 |
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22599300 | if(dc == 0xFFFFF) |
1359 | ✗ | return -1; | |
1360 |
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22599300 | if ( h * mb_x + x >= s->width |
1361 |
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22599300 | || v * mb_y + y >= s->height) { |
1362 | // Nothing to do | ||
1363 |
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22599300 | } else if (bits<=8) { |
1364 | 22599300 | ptr = s->picture_ptr->data[c] + | |
1365 | 22599300 | (linesize * (v * mb_y + y)) + | |
1366 | 22599300 | (h * mb_x + x); //FIXME optimize this crap | |
1367 |
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22599300 | PREDICT(pred, ptr[-linesize-1], ptr[-linesize], ptr[-1], predictor); |
1368 | |||
1369 | 22599300 | pred &= mask; | |
1370 | 22599300 | *ptr = pred + ((unsigned)dc << point_transform); | |
1371 | }else{ | ||
1372 | ✗ | ptr16 = (uint16_t*)(s->picture_ptr->data[c] + 2*(linesize * (v * mb_y + y)) + 2*(h * mb_x + x)); //FIXME optimize this crap | |
1373 | ✗ | PREDICT(pred, ptr16[-linesize-1], ptr16[-linesize], ptr16[-1], predictor); | |
1374 | |||
1375 | ✗ | pred &= mask; | |
1376 | ✗ | *ptr16= pred + ((unsigned)dc << point_transform); | |
1377 | } | ||
1378 | |||
1379 |
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22599300 | if (++x == h) { |
1380 | 15066200 | x = 0; | |
1381 | 15066200 | y++; | |
1382 | } | ||
1383 | } | ||
1384 | } | ||
1385 | } | ||
1386 |
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3816050 | if (s->restart_interval && !--s->restart_count) { |
1387 | ✗ | align_get_bits(&s->gb); | |
1388 | ✗ | skip_bits(&s->gb, 16); /* skip RSTn */ | |
1389 | } | ||
1390 | } | ||
1391 | } | ||
1392 | 200 | return 0; | |
1393 | } | ||
1394 | |||
1395 | 786684 | static av_always_inline void mjpeg_copy_block(MJpegDecodeContext *s, | |
1396 | uint8_t *dst, const uint8_t *src, | ||
1397 | int linesize, int lowres) | ||
1398 | { | ||
1399 |
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786684 | switch (lowres) { |
1400 | 786684 | case 0: s->hdsp.put_pixels_tab[1][0](dst, src, linesize, 8); | |
1401 | 786684 | break; | |
1402 | ✗ | case 1: copy_block4(dst, src, linesize, linesize, 4); | |
1403 | ✗ | break; | |
1404 | ✗ | case 2: copy_block2(dst, src, linesize, linesize, 2); | |
1405 | ✗ | break; | |
1406 | ✗ | case 3: *dst = *src; | |
1407 | ✗ | break; | |
1408 | } | ||
1409 | 786684 | } | |
1410 | |||
1411 | 11750 | static void shift_output(MJpegDecodeContext *s, uint8_t *ptr, int linesize) | |
1412 | { | ||
1413 | int block_x, block_y; | ||
1414 | 11750 | int size = 8 >> s->avctx->lowres; | |
1415 |
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11750 | if (s->bits > 8) { |
1416 |
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105750 | for (block_y=0; block_y<size; block_y++) |
1417 |
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846000 | for (block_x=0; block_x<size; block_x++) |
1418 | 752000 | *(uint16_t*)(ptr + 2*block_x + block_y*linesize) <<= 16 - s->bits; | |
1419 | } else { | ||
1420 | ✗ | for (block_y=0; block_y<size; block_y++) | |
1421 | ✗ | for (block_x=0; block_x<size; block_x++) | |
1422 | ✗ | *(ptr + block_x + block_y*linesize) <<= 8 - s->bits; | |
1423 | } | ||
1424 | 11750 | } | |
1425 | |||
1426 | 2124 | static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah, | |
1427 | int Al, const uint8_t *mb_bitmask, | ||
1428 | int mb_bitmask_size, | ||
1429 | const AVFrame *reference) | ||
1430 | { | ||
1431 | int i, mb_x, mb_y, chroma_h_shift, chroma_v_shift, chroma_width, chroma_height; | ||
1432 | uint8_t *data[MAX_COMPONENTS]; | ||
1433 | const uint8_t *reference_data[MAX_COMPONENTS]; | ||
1434 | int linesize[MAX_COMPONENTS]; | ||
1435 | 2124 | GetBitContext mb_bitmask_gb = {0}; // initialize to silence gcc warning | |
1436 |
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2124 | int bytes_per_pixel = 1 + (s->bits > 8); |
1437 | |||
1438 |
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2124 | if (mb_bitmask) { |
1439 |
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31 | if (mb_bitmask_size != (s->mb_width * s->mb_height + 7)>>3) { |
1440 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "mb_bitmask_size mismatches\n"); | |
1441 | ✗ | return AVERROR_INVALIDDATA; | |
1442 | } | ||
1443 | 31 | init_get_bits(&mb_bitmask_gb, mb_bitmask, s->mb_width * s->mb_height); | |
1444 | } | ||
1445 | |||
1446 | 2124 | s->restart_count = 0; | |
1447 | |||
1448 | 2124 | av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &chroma_h_shift, | |
1449 | &chroma_v_shift); | ||
1450 | 2124 | chroma_width = AV_CEIL_RSHIFT(s->width, chroma_h_shift); | |
1451 | 2124 | chroma_height = AV_CEIL_RSHIFT(s->height, chroma_v_shift); | |
1452 | |||
1453 |
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8494 | for (i = 0; i < nb_components; i++) { |
1454 | 6370 | int c = s->comp_index[i]; | |
1455 | 6370 | data[c] = s->picture_ptr->data[c]; | |
1456 |
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6370 | reference_data[c] = reference ? reference->data[c] : NULL; |
1457 | 6370 | linesize[c] = s->linesize[c]; | |
1458 | 6370 | s->coefs_finished[c] |= 1; | |
1459 | } | ||
1460 | |||
1461 |
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30390 | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { |
1462 |
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803762 | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
1463 |
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775496 | const int copy_mb = mb_bitmask && !get_bits1(&mb_bitmask_gb); |
1464 | |||
1465 |
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775496 | if (s->restart_interval && !s->restart_count) |
1466 | ✗ | s->restart_count = s->restart_interval; | |
1467 | |||
1468 |
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775496 | if (get_bits_left(&s->gb) < 0) { |
1469 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "overread %d\n", | |
1470 | ✗ | -get_bits_left(&s->gb)); | |
1471 | ✗ | return AVERROR_INVALIDDATA; | |
1472 | } | ||
1473 |
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3078484 | for (i = 0; i < nb_components; i++) { |
1474 | uint8_t *ptr; | ||
1475 | int n, h, v, x, y, c, j; | ||
1476 | int block_offset; | ||
1477 | 2302988 | n = s->nb_blocks[i]; | |
1478 | 2302988 | c = s->comp_index[i]; | |
1479 | 2302988 | h = s->h_scount[i]; | |
1480 | 2302988 | v = s->v_scount[i]; | |
1481 | 2302988 | x = 0; | |
1482 | 2302988 | y = 0; | |
1483 |
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6992344 | for (j = 0; j < n; j++) { |
1484 | 4689356 | block_offset = (((linesize[c] * (v * mb_y + y) * 8) + | |
1485 | 4689356 | (h * mb_x + x) * 8 * bytes_per_pixel) >> s->avctx->lowres); | |
1486 | |||
1487 |
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4689356 | if (s->interlaced && s->bottom_field) |
1488 | 10720 | block_offset += linesize[c] >> 1; | |
1489 |
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4689356 | if ( 8*(h * mb_x + x) < ((c == 1) || (c == 2) ? chroma_width : s->width) |
1490 |
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|
4687172 | && 8*(v * mb_y + y) < ((c == 1) || (c == 2) ? chroma_height : s->height)) { |
1491 | 4681083 | ptr = data[c] + block_offset; | |
1492 | } else | ||
1493 | 8273 | ptr = NULL; | |
1494 |
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4689356 | if (!s->progressive) { |
1495 |
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4689356 | if (copy_mb) { |
1496 |
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786684 | if (ptr) |
1497 | 786684 | mjpeg_copy_block(s, ptr, reference_data[c] + block_offset, | |
1498 | 786684 | linesize[c], s->avctx->lowres); | |
1499 | |||
1500 | } else { | ||
1501 | 3902672 | s->bdsp.clear_block(s->block); | |
1502 |
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3902672 | if (decode_block(s, s->block, i, |
1503 | s->dc_index[i], s->ac_index[i], | ||
1504 | 3902672 | s->quant_matrixes[s->quant_sindex[i]]) < 0) { | |
1505 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
1506 | "error y=%d x=%d\n", mb_y, mb_x); | ||
1507 | ✗ | return AVERROR_INVALIDDATA; | |
1508 | } | ||
1509 |
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3902672 | if (ptr) { |
1510 | 3894399 | s->idsp.idct_put(ptr, linesize[c], s->block); | |
1511 |
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3894399 | if (s->bits & 7) |
1512 | 11750 | shift_output(s, ptr, linesize[c]); | |
1513 | } | ||
1514 | } | ||
1515 | } else { | ||
1516 | ✗ | int block_idx = s->block_stride[c] * (v * mb_y + y) + | |
1517 | ✗ | (h * mb_x + x); | |
1518 | ✗ | int16_t *block = s->blocks[c][block_idx]; | |
1519 | ✗ | if (Ah) | |
1520 | ✗ | block[0] += get_bits1(&s->gb) * | |
1521 | ✗ | s->quant_matrixes[s->quant_sindex[i]][0] << Al; | |
1522 | ✗ | else if (decode_dc_progressive(s, block, i, s->dc_index[i], | |
1523 | ✗ | s->quant_matrixes[s->quant_sindex[i]], | |
1524 | Al) < 0) { | ||
1525 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
1526 | "error y=%d x=%d\n", mb_y, mb_x); | ||
1527 | ✗ | return AVERROR_INVALIDDATA; | |
1528 | } | ||
1529 | } | ||
1530 | ff_dlog(s->avctx, "mb: %d %d processed\n", mb_y, mb_x); | ||
1531 | ff_dlog(s->avctx, "%d %d %d %d %d %d %d %d \n", | ||
1532 | mb_x, mb_y, x, y, c, s->bottom_field, | ||
1533 | (v * mb_y + y) * 8, (h * mb_x + x) * 8); | ||
1534 |
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4689356 | if (++x == h) { |
1535 | 3413761 | x = 0; | |
1536 | 3413761 | y++; | |
1537 | } | ||
1538 | } | ||
1539 | } | ||
1540 | |||
1541 | 775496 | handle_rstn(s, nb_components); | |
1542 | } | ||
1543 | } | ||
1544 | 2124 | return 0; | |
1545 | } | ||
1546 | |||
1547 | ✗ | static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss, | |
1548 | int se, int Ah, int Al) | ||
1549 | { | ||
1550 | int mb_x, mb_y; | ||
1551 | ✗ | int EOBRUN = 0; | |
1552 | ✗ | int c = s->comp_index[0]; | |
1553 | ✗ | uint16_t *quant_matrix = s->quant_matrixes[s->quant_sindex[0]]; | |
1554 | |||
1555 | ✗ | av_assert0(ss>=0 && Ah>=0 && Al>=0); | |
1556 | ✗ | if (se < ss || se > 63) { | |
1557 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "SS/SE %d/%d is invalid\n", ss, se); | |
1558 | ✗ | return AVERROR_INVALIDDATA; | |
1559 | } | ||
1560 | |||
1561 | // s->coefs_finished is a bitmask for coefficients coded | ||
1562 | // ss and se are parameters telling start and end coefficients | ||
1563 | ✗ | s->coefs_finished[c] |= (2ULL << se) - (1ULL << ss); | |
1564 | |||
1565 | ✗ | s->restart_count = 0; | |
1566 | |||
1567 | ✗ | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { | |
1568 | ✗ | int block_idx = mb_y * s->block_stride[c]; | |
1569 | ✗ | int16_t (*block)[64] = &s->blocks[c][block_idx]; | |
1570 | ✗ | uint8_t *last_nnz = &s->last_nnz[c][block_idx]; | |
1571 | ✗ | if (get_bits_left(&s->gb) <= 0) { | |
1572 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "bitstream truncated in mjpeg_decode_scan_progressive_ac\n"); | |
1573 | ✗ | return AVERROR_INVALIDDATA; | |
1574 | } | ||
1575 | ✗ | for (mb_x = 0; mb_x < s->mb_width; mb_x++, block++, last_nnz++) { | |
1576 | int ret; | ||
1577 | ✗ | if (s->restart_interval && !s->restart_count) | |
1578 | ✗ | s->restart_count = s->restart_interval; | |
1579 | |||
1580 | ✗ | if (Ah) | |
1581 | ✗ | ret = decode_block_refinement(s, *block, last_nnz, s->ac_index[0], | |
1582 | quant_matrix, ss, se, Al, &EOBRUN); | ||
1583 | else | ||
1584 | ✗ | ret = decode_block_progressive(s, *block, last_nnz, s->ac_index[0], | |
1585 | quant_matrix, ss, se, Al, &EOBRUN); | ||
1586 | |||
1587 | ✗ | if (ret >= 0 && get_bits_left(&s->gb) < 0) | |
1588 | ✗ | ret = AVERROR_INVALIDDATA; | |
1589 | ✗ | if (ret < 0) { | |
1590 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
1591 | "error y=%d x=%d\n", mb_y, mb_x); | ||
1592 | ✗ | return AVERROR_INVALIDDATA; | |
1593 | } | ||
1594 | |||
1595 | ✗ | if (handle_rstn(s, 0)) | |
1596 | ✗ | EOBRUN = 0; | |
1597 | } | ||
1598 | } | ||
1599 | ✗ | return 0; | |
1600 | } | ||
1601 | |||
1602 | ✗ | static void mjpeg_idct_scan_progressive_ac(MJpegDecodeContext *s) | |
1603 | { | ||
1604 | int mb_x, mb_y; | ||
1605 | int c; | ||
1606 | ✗ | const int bytes_per_pixel = 1 + (s->bits > 8); | |
1607 | ✗ | const int block_size = s->lossless ? 1 : 8; | |
1608 | |||
1609 | ✗ | for (c = 0; c < s->nb_components; c++) { | |
1610 | ✗ | uint8_t *data = s->picture_ptr->data[c]; | |
1611 | ✗ | int linesize = s->linesize[c]; | |
1612 | ✗ | int h = s->h_max / s->h_count[c]; | |
1613 | ✗ | int v = s->v_max / s->v_count[c]; | |
1614 | ✗ | int mb_width = (s->width + h * block_size - 1) / (h * block_size); | |
1615 | ✗ | int mb_height = (s->height + v * block_size - 1) / (v * block_size); | |
1616 | |||
1617 | ✗ | if (~s->coefs_finished[c]) | |
1618 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "component %d is incomplete\n", c); | |
1619 | |||
1620 | ✗ | if (s->interlaced && s->bottom_field) | |
1621 | ✗ | data += linesize >> 1; | |
1622 | |||
1623 | ✗ | for (mb_y = 0; mb_y < mb_height; mb_y++) { | |
1624 | ✗ | uint8_t *ptr = data + (mb_y * linesize * 8 >> s->avctx->lowres); | |
1625 | ✗ | int block_idx = mb_y * s->block_stride[c]; | |
1626 | ✗ | int16_t (*block)[64] = &s->blocks[c][block_idx]; | |
1627 | ✗ | for (mb_x = 0; mb_x < mb_width; mb_x++, block++) { | |
1628 | ✗ | s->idsp.idct_put(ptr, linesize, *block); | |
1629 | ✗ | if (s->bits & 7) | |
1630 | ✗ | shift_output(s, ptr, linesize); | |
1631 | ✗ | ptr += bytes_per_pixel*8 >> s->avctx->lowres; | |
1632 | } | ||
1633 | } | ||
1634 | } | ||
1635 | } | ||
1636 | |||
1637 | 2537 | int ff_mjpeg_decode_sos(MJpegDecodeContext *s, const uint8_t *mb_bitmask, | |
1638 | int mb_bitmask_size, const AVFrame *reference) | ||
1639 | { | ||
1640 | int len, nb_components, i, h, v, predictor, point_transform; | ||
1641 | int index, id, ret; | ||
1642 |
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2537 | const int block_size = s->lossless ? 1 : 8; |
1643 | int ilv, prev_shift; | ||
1644 | |||
1645 |
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2537 | if (!s->got_picture) { |
1646 | ✗ | av_log(s->avctx, AV_LOG_WARNING, | |
1647 | "Can not process SOS before SOF, skipping\n"); | ||
1648 | ✗ | return -1; | |
1649 | } | ||
1650 | |||
1651 |
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2537 | if (reference) { |
1652 |
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31 | if (reference->width != s->picture_ptr->width || |
1653 |
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31 | reference->height != s->picture_ptr->height || |
1654 |
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31 | reference->format != s->picture_ptr->format) { |
1655 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Reference mismatching\n"); | |
1656 | ✗ | return AVERROR_INVALIDDATA; | |
1657 | } | ||
1658 | } | ||
1659 | |||
1660 | /* XXX: verify len field validity */ | ||
1661 | 2537 | len = get_bits(&s->gb, 16); | |
1662 | 2537 | nb_components = get_bits(&s->gb, 8); | |
1663 |
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2537 | if (nb_components == 0 || nb_components > MAX_COMPONENTS) { |
1664 | ✗ | avpriv_report_missing_feature(s->avctx, | |
1665 | "decode_sos: nb_components (%d)", | ||
1666 | nb_components); | ||
1667 | ✗ | return AVERROR_PATCHWELCOME; | |
1668 | } | ||
1669 |
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2537 | if (len != 6 + 2 * nb_components) { |
1670 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "decode_sos: invalid len (%d)\n", len); | |
1671 | ✗ | return AVERROR_INVALIDDATA; | |
1672 | } | ||
1673 |
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10130 | for (i = 0; i < nb_components; i++) { |
1674 | 7593 | id = get_bits(&s->gb, 8) - 1; | |
1675 | 7593 | av_log(s->avctx, AV_LOG_DEBUG, "component: %d\n", id); | |
1676 | /* find component index */ | ||
1677 |
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15177 | for (index = 0; index < s->nb_components; index++) |
1678 |
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15177 | if (id == s->component_id[index]) |
1679 | 7593 | break; | |
1680 |
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7593 | if (index == s->nb_components) { |
1681 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
1682 | "decode_sos: index(%d) out of components\n", index); | ||
1683 | ✗ | return AVERROR_INVALIDDATA; | |
1684 | } | ||
1685 | /* Metasoft MJPEG codec has Cb and Cr swapped */ | ||
1686 |
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7593 | if (s->avctx->codec_tag == MKTAG('M', 'T', 'S', 'J') |
1687 | ✗ | && nb_components == 3 && s->nb_components == 3 && i) | |
1688 | ✗ | index = 3 - i; | |
1689 | |||
1690 | 7593 | s->quant_sindex[i] = s->quant_index[index]; | |
1691 | 7593 | s->nb_blocks[i] = s->h_count[index] * s->v_count[index]; | |
1692 | 7593 | s->h_scount[i] = s->h_count[index]; | |
1693 | 7593 | s->v_scount[i] = s->v_count[index]; | |
1694 | |||
1695 |
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|
7593 | if((nb_components == 1 || nb_components == 3) && s->nb_components == 3 && s->avctx->pix_fmt == AV_PIX_FMT_GBR24P) |
1696 | ✗ | index = (index+2)%3; | |
1697 | |||
1698 | 7593 | s->comp_index[i] = index; | |
1699 | |||
1700 | 7593 | s->dc_index[i] = get_bits(&s->gb, 4); | |
1701 | 7593 | s->ac_index[i] = get_bits(&s->gb, 4); | |
1702 | |||
1703 |
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7593 | if (s->dc_index[i] < 0 || s->ac_index[i] < 0 || |
1704 |
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|
7593 | s->dc_index[i] >= 4 || s->ac_index[i] >= 4) |
1705 | ✗ | goto out_of_range; | |
1706 |
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|
7593 | if (!s->vlcs[0][s->dc_index[i]].table || !(s->progressive ? s->vlcs[2][s->ac_index[0]].table : s->vlcs[1][s->ac_index[i]].table)) |
1707 | ✗ | goto out_of_range; | |
1708 | } | ||
1709 | |||
1710 | 2537 | predictor = get_bits(&s->gb, 8); /* JPEG Ss / lossless JPEG predictor /JPEG-LS NEAR */ | |
1711 | 2537 | ilv = get_bits(&s->gb, 8); /* JPEG Se / JPEG-LS ILV */ | |
1712 |
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|
2537 | if(s->avctx->codec_tag != AV_RL32("CJPG")){ |
1713 | 2537 | prev_shift = get_bits(&s->gb, 4); /* Ah */ | |
1714 | 2537 | point_transform = get_bits(&s->gb, 4); /* Al */ | |
1715 | }else | ||
1716 | ✗ | prev_shift = point_transform = 0; | |
1717 | |||
1718 |
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|
2537 | if (nb_components > 1) { |
1719 | /* interleaved stream */ | ||
1720 | 2528 | s->mb_width = (s->width + s->h_max * block_size - 1) / (s->h_max * block_size); | |
1721 | 2528 | s->mb_height = (s->height + s->v_max * block_size - 1) / (s->v_max * block_size); | |
1722 |
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|
9 | } else if (!s->ls) { /* skip this for JPEG-LS */ |
1723 | 1 | h = s->h_max / s->h_scount[0]; | |
1724 | 1 | v = s->v_max / s->v_scount[0]; | |
1725 | 1 | s->mb_width = (s->width + h * block_size - 1) / (h * block_size); | |
1726 | 1 | s->mb_height = (s->height + v * block_size - 1) / (v * block_size); | |
1727 | 1 | s->nb_blocks[0] = 1; | |
1728 | 1 | s->h_scount[0] = 1; | |
1729 | 1 | s->v_scount[0] = 1; | |
1730 | } | ||
1731 | |||
1732 |
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|
2537 | if (s->avctx->debug & FF_DEBUG_PICT_INFO) |
1733 | ✗ | av_log(s->avctx, AV_LOG_DEBUG, "%s %s p:%d >>:%d ilv:%d bits:%d skip:%d %s comp:%d\n", | |
1734 | ✗ | s->lossless ? "lossless" : "sequential DCT", s->rgb ? "RGB" : "", | |
1735 | predictor, point_transform, ilv, s->bits, s->mjpb_skiptosod, | ||
1736 | ✗ | s->pegasus_rct ? "PRCT" : (s->rct ? "RCT" : ""), nb_components); | |
1737 | |||
1738 | |||
1739 | /* mjpeg-b can have padding bytes between sos and image data, skip them */ | ||
1740 |
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|
2559 | for (i = s->mjpb_skiptosod; i > 0; i--) |
1741 | 22 | skip_bits(&s->gb, 8); | |
1742 | |||
1743 | 2537 | next_field: | |
1744 |
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|
10130 | for (i = 0; i < nb_components; i++) |
1745 | 7593 | s->last_dc[i] = (4 << s->bits); | |
1746 | |||
1747 |
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|
2537 | if (s->avctx->hwaccel) { |
1748 | ✗ | int bytes_to_start = get_bits_count(&s->gb) / 8; | |
1749 | ✗ | av_assert0(bytes_to_start >= 0 && | |
1750 | s->raw_scan_buffer_size >= bytes_to_start); | ||
1751 | |||
1752 | ✗ | ret = s->avctx->hwaccel->decode_slice(s->avctx, | |
1753 | ✗ | s->raw_scan_buffer + bytes_to_start, | |
1754 | ✗ | s->raw_scan_buffer_size - bytes_to_start); | |
1755 | ✗ | if (ret < 0) | |
1756 | ✗ | return ret; | |
1757 | |||
1758 |
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|
2537 | } else if (s->lossless) { |
1759 |
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|
413 | av_assert0(s->picture_ptr == s->picture); |
1760 |
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|
413 | if (CONFIG_JPEGLS_DECODER && s->ls) { |
1761 | // for () { | ||
1762 | // reset_ls_coding_parameters(s, 0); | ||
1763 | |||
1764 |
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|
213 | if ((ret = ff_jpegls_decode_picture(s, predictor, |
1765 | point_transform, ilv)) < 0) | ||
1766 | ✗ | return ret; | |
1767 | } else { | ||
1768 |
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|
200 | if (s->rgb || s->bayer) { |
1769 | ✗ | if ((ret = ljpeg_decode_rgb_scan(s, nb_components, predictor, point_transform)) < 0) | |
1770 | ✗ | return ret; | |
1771 | } else { | ||
1772 |
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|
200 | if ((ret = ljpeg_decode_yuv_scan(s, predictor, |
1773 | point_transform, | ||
1774 | nb_components)) < 0) | ||
1775 | ✗ | return ret; | |
1776 | } | ||
1777 | } | ||
1778 | } else { | ||
1779 |
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|
2124 | if (s->progressive && predictor) { |
1780 | ✗ | av_assert0(s->picture_ptr == s->picture); | |
1781 | ✗ | if ((ret = mjpeg_decode_scan_progressive_ac(s, predictor, | |
1782 | ilv, prev_shift, | ||
1783 | point_transform)) < 0) | ||
1784 | ✗ | return ret; | |
1785 | } else { | ||
1786 |
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|
2124 | if ((ret = mjpeg_decode_scan(s, nb_components, |
1787 | prev_shift, point_transform, | ||
1788 | mb_bitmask, mb_bitmask_size, reference)) < 0) | ||
1789 | ✗ | return ret; | |
1790 | } | ||
1791 | } | ||
1792 | |||
1793 |
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|
2565 | if (s->interlaced && |
1794 |
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|
43 | get_bits_left(&s->gb) > 32 && |
1795 | 15 | show_bits(&s->gb, 8) == 0xFF) { | |
1796 | ✗ | GetBitContext bak = s->gb; | |
1797 | ✗ | align_get_bits(&bak); | |
1798 | ✗ | if (show_bits(&bak, 16) == 0xFFD1) { | |
1799 | ✗ | av_log(s->avctx, AV_LOG_DEBUG, "AVRn interlaced picture marker found\n"); | |
1800 | ✗ | s->gb = bak; | |
1801 | ✗ | skip_bits(&s->gb, 16); | |
1802 | ✗ | s->bottom_field ^= 1; | |
1803 | |||
1804 | ✗ | goto next_field; | |
1805 | } | ||
1806 | } | ||
1807 | |||
1808 | 2537 | emms_c(); | |
1809 | 2537 | return 0; | |
1810 | ✗ | out_of_range: | |
1811 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "decode_sos: ac/dc index out of range\n"); | |
1812 | ✗ | return AVERROR_INVALIDDATA; | |
1813 | } | ||
1814 | |||
1815 | 16 | static int mjpeg_decode_dri(MJpegDecodeContext *s) | |
1816 | { | ||
1817 |
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|
16 | if (get_bits(&s->gb, 16) != 4) |
1818 | ✗ | return AVERROR_INVALIDDATA; | |
1819 | 16 | s->restart_interval = get_bits(&s->gb, 16); | |
1820 | 16 | s->restart_count = 0; | |
1821 | 16 | av_log(s->avctx, AV_LOG_DEBUG, "restart interval: %d\n", | |
1822 | s->restart_interval); | ||
1823 | |||
1824 | 16 | return 0; | |
1825 | } | ||
1826 | |||
1827 | 192 | static int mjpeg_decode_app(MJpegDecodeContext *s) | |
1828 | { | ||
1829 | int len, id, i; | ||
1830 | |||
1831 | 192 | len = get_bits(&s->gb, 16); | |
1832 |
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|
192 | if (len < 6) { |
1833 | ✗ | if (s->bayer) { | |
1834 | // Pentax K-1 (digital camera) JPEG images embedded in DNG images contain unknown APP0 markers | ||
1835 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "skipping APPx (len=%"PRId32") for bayer-encoded image\n", len); | |
1836 | ✗ | skip_bits(&s->gb, len); | |
1837 | ✗ | return 0; | |
1838 | } else | ||
1839 | ✗ | return AVERROR_INVALIDDATA; | |
1840 | } | ||
1841 |
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|
192 | if (8 * len > get_bits_left(&s->gb)) |
1842 | ✗ | return AVERROR_INVALIDDATA; | |
1843 | |||
1844 | 192 | id = get_bits_long(&s->gb, 32); | |
1845 | 192 | len -= 6; | |
1846 | |||
1847 |
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|
192 | if (s->avctx->debug & FF_DEBUG_STARTCODE) |
1848 | ✗ | av_log(s->avctx, AV_LOG_DEBUG, "APPx (%s / %8X) len=%d\n", | |
1849 | ✗ | av_fourcc2str(av_bswap32(id)), id, len); | |
1850 | |||
1851 | /* Buggy AVID, it puts EOI only at every 10th frame. */ | ||
1852 | /* Also, this fourcc is used by non-avid files too, it holds some | ||
1853 | information, but it's always present in AVID-created files. */ | ||
1854 |
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|
192 | if (id == AV_RB32("AVI1")) { |
1855 | /* structure: | ||
1856 | 4bytes AVI1 | ||
1857 | 1bytes polarity | ||
1858 | 1bytes always zero | ||
1859 | 4bytes field_size | ||
1860 | 4bytes field_size_less_padding | ||
1861 | */ | ||
1862 | 19 | s->buggy_avid = 1; | |
1863 | 19 | i = get_bits(&s->gb, 8); len--; | |
1864 | 19 | av_log(s->avctx, AV_LOG_DEBUG, "polarity %d\n", i); | |
1865 | 19 | goto out; | |
1866 | } | ||
1867 | |||
1868 |
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|
173 | if (id == AV_RB32("JFIF")) { |
1869 | int t_w, t_h, v1, v2; | ||
1870 |
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|
132 | if (len < 8) |
1871 | ✗ | goto out; | |
1872 | 132 | skip_bits(&s->gb, 8); /* the trailing zero-byte */ | |
1873 | 132 | v1 = get_bits(&s->gb, 8); | |
1874 | 132 | v2 = get_bits(&s->gb, 8); | |
1875 | 132 | skip_bits(&s->gb, 8); | |
1876 | |||
1877 | 132 | s->avctx->sample_aspect_ratio.num = get_bits(&s->gb, 16); | |
1878 | 132 | s->avctx->sample_aspect_ratio.den = get_bits(&s->gb, 16); | |
1879 |
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132 | if ( s->avctx->sample_aspect_ratio.num <= 0 |
1880 |
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|
132 | || s->avctx->sample_aspect_ratio.den <= 0) { |
1881 | ✗ | s->avctx->sample_aspect_ratio.num = 0; | |
1882 | ✗ | s->avctx->sample_aspect_ratio.den = 1; | |
1883 | } | ||
1884 | |||
1885 |
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|
132 | if (s->avctx->debug & FF_DEBUG_PICT_INFO) |
1886 | ✗ | av_log(s->avctx, AV_LOG_INFO, | |
1887 | "mjpeg: JFIF header found (version: %x.%x) SAR=%d/%d\n", | ||
1888 | v1, v2, | ||
1889 | ✗ | s->avctx->sample_aspect_ratio.num, | |
1890 | ✗ | s->avctx->sample_aspect_ratio.den); | |
1891 | |||
1892 | 132 | len -= 8; | |
1893 |
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|
132 | if (len >= 2) { |
1894 | 130 | t_w = get_bits(&s->gb, 8); | |
1895 | 130 | t_h = get_bits(&s->gb, 8); | |
1896 |
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|
130 | if (t_w && t_h) { |
1897 | /* skip thumbnail */ | ||
1898 | ✗ | if (len -10 - (t_w * t_h * 3) > 0) | |
1899 | ✗ | len -= t_w * t_h * 3; | |
1900 | } | ||
1901 | 130 | len -= 2; | |
1902 | } | ||
1903 | 132 | goto out; | |
1904 | } | ||
1905 | |||
1906 |
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|
41 | if ( id == AV_RB32("Adob") |
1907 |
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|
5 | && len >= 7 |
1908 |
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|
5 | && show_bits(&s->gb, 8) == 'e' |
1909 |
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|
5 | && show_bits_long(&s->gb, 32) != AV_RB32("e_CM")) { |
1910 | 5 | skip_bits(&s->gb, 8); /* 'e' */ | |
1911 | 5 | skip_bits(&s->gb, 16); /* version */ | |
1912 | 5 | skip_bits(&s->gb, 16); /* flags0 */ | |
1913 | 5 | skip_bits(&s->gb, 16); /* flags1 */ | |
1914 | 5 | s->adobe_transform = get_bits(&s->gb, 8); | |
1915 |
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|
5 | if (s->avctx->debug & FF_DEBUG_PICT_INFO) |
1916 | ✗ | av_log(s->avctx, AV_LOG_INFO, "mjpeg: Adobe header found, transform=%d\n", s->adobe_transform); | |
1917 | 5 | len -= 7; | |
1918 | 5 | goto out; | |
1919 | } | ||
1920 | |||
1921 |
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|
36 | if (id == AV_RB32("LJIF")) { |
1922 | ✗ | int rgb = s->rgb; | |
1923 | ✗ | int pegasus_rct = s->pegasus_rct; | |
1924 | ✗ | if (s->avctx->debug & FF_DEBUG_PICT_INFO) | |
1925 | ✗ | av_log(s->avctx, AV_LOG_INFO, | |
1926 | "Pegasus lossless jpeg header found\n"); | ||
1927 | ✗ | skip_bits(&s->gb, 16); /* version ? */ | |
1928 | ✗ | skip_bits(&s->gb, 16); /* unknown always 0? */ | |
1929 | ✗ | skip_bits(&s->gb, 16); /* unknown always 0? */ | |
1930 | ✗ | skip_bits(&s->gb, 16); /* unknown always 0? */ | |
1931 | ✗ | switch (i=get_bits(&s->gb, 8)) { | |
1932 | ✗ | case 1: | |
1933 | ✗ | rgb = 1; | |
1934 | ✗ | pegasus_rct = 0; | |
1935 | ✗ | break; | |
1936 | ✗ | case 2: | |
1937 | ✗ | rgb = 1; | |
1938 | ✗ | pegasus_rct = 1; | |
1939 | ✗ | break; | |
1940 | ✗ | default: | |
1941 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "unknown colorspace %d\n", i); | |
1942 | } | ||
1943 | |||
1944 | ✗ | len -= 9; | |
1945 | ✗ | if (s->got_picture) | |
1946 | ✗ | if (rgb != s->rgb || pegasus_rct != s->pegasus_rct) { | |
1947 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Mismatching LJIF tag\n"); | |
1948 | ✗ | goto out; | |
1949 | } | ||
1950 | |||
1951 | ✗ | s->rgb = rgb; | |
1952 | ✗ | s->pegasus_rct = pegasus_rct; | |
1953 | |||
1954 | ✗ | goto out; | |
1955 | } | ||
1956 |
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36 | if (id == AV_RL32("colr") && len > 0) { |
1957 | 8 | s->colr = get_bits(&s->gb, 8); | |
1958 |
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|
8 | if (s->avctx->debug & FF_DEBUG_PICT_INFO) |
1959 | ✗ | av_log(s->avctx, AV_LOG_INFO, "COLR %d\n", s->colr); | |
1960 | 8 | len --; | |
1961 | 8 | goto out; | |
1962 | } | ||
1963 |
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28 | if (id == AV_RL32("xfrm") && len > 0) { |
1964 | ✗ | s->xfrm = get_bits(&s->gb, 8); | |
1965 | ✗ | if (s->avctx->debug & FF_DEBUG_PICT_INFO) | |
1966 | ✗ | av_log(s->avctx, AV_LOG_INFO, "XFRM %d\n", s->xfrm); | |
1967 | ✗ | len --; | |
1968 | ✗ | goto out; | |
1969 | } | ||
1970 | |||
1971 | /* JPS extension by VRex */ | ||
1972 |
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28 | if (s->start_code == APP3 && id == AV_RB32("_JPS") && len >= 10) { |
1973 | int flags, layout, type; | ||
1974 | ✗ | if (s->avctx->debug & FF_DEBUG_PICT_INFO) | |
1975 | ✗ | av_log(s->avctx, AV_LOG_INFO, "_JPSJPS_\n"); | |
1976 | |||
1977 | ✗ | skip_bits(&s->gb, 32); len -= 4; /* JPS_ */ | |
1978 | ✗ | skip_bits(&s->gb, 16); len -= 2; /* block length */ | |
1979 | ✗ | skip_bits(&s->gb, 8); /* reserved */ | |
1980 | ✗ | flags = get_bits(&s->gb, 8); | |
1981 | ✗ | layout = get_bits(&s->gb, 8); | |
1982 | ✗ | type = get_bits(&s->gb, 8); | |
1983 | ✗ | len -= 4; | |
1984 | |||
1985 | ✗ | av_freep(&s->stereo3d); | |
1986 | ✗ | s->stereo3d = av_stereo3d_alloc(); | |
1987 | ✗ | if (!s->stereo3d) { | |
1988 | ✗ | goto out; | |
1989 | } | ||
1990 | ✗ | if (type == 0) { | |
1991 | ✗ | s->stereo3d->type = AV_STEREO3D_2D; | |
1992 | ✗ | } else if (type == 1) { | |
1993 | ✗ | switch (layout) { | |
1994 | ✗ | case 0x01: | |
1995 | ✗ | s->stereo3d->type = AV_STEREO3D_LINES; | |
1996 | ✗ | break; | |
1997 | ✗ | case 0x02: | |
1998 | ✗ | s->stereo3d->type = AV_STEREO3D_SIDEBYSIDE; | |
1999 | ✗ | break; | |
2000 | ✗ | case 0x03: | |
2001 | ✗ | s->stereo3d->type = AV_STEREO3D_TOPBOTTOM; | |
2002 | ✗ | break; | |
2003 | } | ||
2004 | ✗ | if (!(flags & 0x04)) { | |
2005 | ✗ | s->stereo3d->flags = AV_STEREO3D_FLAG_INVERT; | |
2006 | } | ||
2007 | } | ||
2008 | ✗ | goto out; | |
2009 | } | ||
2010 | |||
2011 | /* EXIF metadata */ | ||
2012 |
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28 | if (s->start_code == APP1 && id == AV_RB32("Exif") && len >= 2) { |
2013 | GetByteContext gbytes; | ||
2014 | int ret, le, ifd_offset, bytes_read; | ||
2015 | const uint8_t *aligned; | ||
2016 | |||
2017 | 18 | skip_bits(&s->gb, 16); // skip padding | |
2018 | 18 | len -= 2; | |
2019 | |||
2020 | // init byte wise reading | ||
2021 | 18 | aligned = align_get_bits(&s->gb); | |
2022 | 18 | bytestream2_init(&gbytes, aligned, len); | |
2023 | |||
2024 | // read TIFF header | ||
2025 | 18 | ret = ff_tdecode_header(&gbytes, &le, &ifd_offset); | |
2026 |
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|
18 | if (ret) { |
2027 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "mjpeg: invalid TIFF header in EXIF data\n"); | |
2028 | } else { | ||
2029 | 18 | bytestream2_seek(&gbytes, ifd_offset, SEEK_SET); | |
2030 | |||
2031 | // read 0th IFD and store the metadata | ||
2032 | // (return values > 0 indicate the presence of subimage metadata) | ||
2033 | 18 | ret = ff_exif_decode_ifd(s->avctx, &gbytes, le, 0, &s->exif_metadata); | |
2034 |
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|
18 | if (ret < 0) { |
2035 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "mjpeg: error decoding EXIF data\n"); | |
2036 | } | ||
2037 | } | ||
2038 | |||
2039 | 18 | bytes_read = bytestream2_tell(&gbytes); | |
2040 | 18 | skip_bits(&s->gb, bytes_read << 3); | |
2041 | 18 | len -= bytes_read; | |
2042 | |||
2043 | 18 | goto out; | |
2044 | } | ||
2045 | |||
2046 | /* Apple MJPEG-A */ | ||
2047 |
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|
10 | if ((s->start_code == APP1) && (len > (0x28 - 8))) { |
2048 | 2 | id = get_bits_long(&s->gb, 32); | |
2049 | 2 | len -= 4; | |
2050 | /* Apple MJPEG-A */ | ||
2051 |
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✓ Branch 1 taken 2 times.
|
2 | if (id == AV_RB32("mjpg")) { |
2052 | /* structure: | ||
2053 | 4bytes field size | ||
2054 | 4bytes pad field size | ||
2055 | 4bytes next off | ||
2056 | 4bytes quant off | ||
2057 | 4bytes huff off | ||
2058 | 4bytes image off | ||
2059 | 4bytes scan off | ||
2060 | 4bytes data off | ||
2061 | */ | ||
2062 | ✗ | if (s->avctx->debug & FF_DEBUG_PICT_INFO) | |
2063 | ✗ | av_log(s->avctx, AV_LOG_INFO, "mjpeg: Apple MJPEG-A header found\n"); | |
2064 | } | ||
2065 | } | ||
2066 | |||
2067 |
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|
10 | if (s->start_code == APP2 && id == AV_RB32("ICC_") && len >= 10) { |
2068 | int id2; | ||
2069 | unsigned seqno; | ||
2070 | unsigned nummarkers; | ||
2071 | |||
2072 | 4 | id = get_bits_long(&s->gb, 32); | |
2073 | 4 | id2 = get_bits(&s->gb, 24); | |
2074 | 4 | len -= 7; | |
2075 |
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|
4 | if (id != AV_RB32("PROF") || id2 != AV_RB24("ILE")) { |
2076 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Invalid ICC_PROFILE header in APP2\n"); | |
2077 | ✗ | goto out; | |
2078 | } | ||
2079 | |||
2080 | 4 | skip_bits(&s->gb, 8); | |
2081 | 4 | seqno = get_bits(&s->gb, 8); | |
2082 | 4 | len -= 2; | |
2083 |
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|
4 | if (seqno == 0) { |
2084 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Invalid sequence number in APP2\n"); | |
2085 | ✗ | goto out; | |
2086 | } | ||
2087 | |||
2088 | 4 | nummarkers = get_bits(&s->gb, 8); | |
2089 | 4 | len -= 1; | |
2090 |
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✓ Branch 1 taken 4 times.
|
4 | if (nummarkers == 0) { |
2091 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Invalid number of markers coded in APP2\n"); | |
2092 | ✗ | goto out; | |
2093 |
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|
4 | } else if (s->iccnum != 0 && nummarkers != s->iccnum) { |
2094 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Mistmatch in coded number of ICC markers between markers\n"); | |
2095 | ✗ | goto out; | |
2096 |
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✓ Branch 1 taken 4 times.
|
4 | } else if (seqno > nummarkers) { |
2097 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Mismatching sequence number and coded number of ICC markers\n"); | |
2098 | ✗ | goto out; | |
2099 | } | ||
2100 | |||
2101 | /* Allocate if this is the first APP2 we've seen. */ | ||
2102 |
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|
4 | if (s->iccnum == 0) { |
2103 |
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|
4 | if (!FF_ALLOCZ_TYPED_ARRAY(s->iccentries, nummarkers)) { |
2104 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Could not allocate ICC data arrays\n"); | |
2105 | ✗ | return AVERROR(ENOMEM); | |
2106 | } | ||
2107 | 4 | s->iccnum = nummarkers; | |
2108 | } | ||
2109 | |||
2110 |
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✓ Branch 1 taken 4 times.
|
4 | if (s->iccentries[seqno - 1].data) { |
2111 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Duplicate ICC sequence number\n"); | |
2112 | ✗ | goto out; | |
2113 | } | ||
2114 | |||
2115 | 4 | s->iccentries[seqno - 1].length = len; | |
2116 | 4 | s->iccentries[seqno - 1].data = av_malloc(len); | |
2117 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 4 times.
|
4 | if (!s->iccentries[seqno - 1].data) { |
2118 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Could not allocate ICC data buffer\n"); | |
2119 | ✗ | return AVERROR(ENOMEM); | |
2120 | } | ||
2121 | |||
2122 | 4 | memcpy(s->iccentries[seqno - 1].data, align_get_bits(&s->gb), len); | |
2123 | 4 | skip_bits(&s->gb, len << 3); | |
2124 | 4 | len = 0; | |
2125 | 4 | s->iccread++; | |
2126 | |||
2127 |
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✗ Branch 1 not taken.
|
4 | if (s->iccread > s->iccnum) |
2128 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Read more ICC markers than are supposed to be coded\n"); | |
2129 | } | ||
2130 | |||
2131 | 10 | out: | |
2132 | /* slow but needed for extreme adobe jpegs */ | ||
2133 |
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✓ Branch 1 taken 192 times.
|
192 | if (len < 0) |
2134 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
2135 | "mjpeg: error, decode_app parser read over the end\n"); | ||
2136 |
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|
107642 | while (--len > 0) |
2137 | 107450 | skip_bits(&s->gb, 8); | |
2138 | |||
2139 | 192 | return 0; | |
2140 | } | ||
2141 | |||
2142 | 231 | static int mjpeg_decode_com(MJpegDecodeContext *s) | |
2143 | { | ||
2144 | 231 | int len = get_bits(&s->gb, 16); | |
2145 |
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|
231 | if (len >= 2 && 8 * len - 16 <= get_bits_left(&s->gb)) { |
2146 | int i; | ||
2147 | 231 | char *cbuf = av_malloc(len - 1); | |
2148 |
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|
231 | if (!cbuf) |
2149 | ✗ | return AVERROR(ENOMEM); | |
2150 | |||
2151 |
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|
3631 | for (i = 0; i < len - 2; i++) |
2152 | 3400 | cbuf[i] = get_bits(&s->gb, 8); | |
2153 |
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|
231 | if (i > 0 && cbuf[i - 1] == '\n') |
2154 | 7 | cbuf[i - 1] = 0; | |
2155 | else | ||
2156 | 224 | cbuf[i] = 0; | |
2157 | |||
2158 |
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|
231 | if (s->avctx->debug & FF_DEBUG_PICT_INFO) |
2159 | ✗ | av_log(s->avctx, AV_LOG_INFO, "comment: '%s'\n", cbuf); | |
2160 | |||
2161 | /* buggy avid, it puts EOI only at every 10th frame */ | ||
2162 |
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|
231 | if (!strncmp(cbuf, "AVID", 4)) { |
2163 | 11 | parse_avid(s, cbuf, len); | |
2164 |
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|
220 | } else if (!strcmp(cbuf, "CS=ITU601")) |
2165 | 205 | s->cs_itu601 = 1; | |
2166 |
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|
15 | else if ((!strncmp(cbuf, "Intel(R) JPEG Library, version 1", 32) && s->avctx->codec_tag) || |
2167 |
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✓ Branch 1 taken 15 times.
|
15 | (!strncmp(cbuf, "Metasoft MJPEG Codec", 20))) |
2168 | ✗ | s->flipped = 1; | |
2169 |
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|
15 | else if (!strcmp(cbuf, "MULTISCOPE II")) { |
2170 | ✗ | s->avctx->sample_aspect_ratio = (AVRational) { 1, 2 }; | |
2171 | ✗ | s->multiscope = 2; | |
2172 | } | ||
2173 | |||
2174 | 231 | av_free(cbuf); | |
2175 | } | ||
2176 | |||
2177 | 231 | return 0; | |
2178 | } | ||
2179 | |||
2180 | /* return the 8 bit start code value and update the search | ||
2181 | state. Return -1 if no start code found */ | ||
2182 | 16171 | static int find_marker(const uint8_t **pbuf_ptr, const uint8_t *buf_end) | |
2183 | { | ||
2184 | const uint8_t *buf_ptr; | ||
2185 | unsigned int v, v2; | ||
2186 | int val; | ||
2187 | 16171 | int skipped = 0; | |
2188 | |||
2189 | 16171 | buf_ptr = *pbuf_ptr; | |
2190 |
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|
279742 | while (buf_end - buf_ptr > 1) { |
2191 | 279737 | v = *buf_ptr++; | |
2192 | 279737 | v2 = *buf_ptr; | |
2193 |
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|
279737 | if ((v == 0xff) && (v2 >= SOF0) && (v2 <= COM) && buf_ptr < buf_end) { |
2194 | 16166 | val = *buf_ptr++; | |
2195 | 16166 | goto found; | |
2196 | } | ||
2197 | 263571 | skipped++; | |
2198 | } | ||
2199 | 5 | buf_ptr = buf_end; | |
2200 | 5 | val = -1; | |
2201 | 16171 | found: | |
2202 | ff_dlog(NULL, "find_marker skipped %d bytes\n", skipped); | ||
2203 | 16171 | *pbuf_ptr = buf_ptr; | |
2204 | 16171 | return val; | |
2205 | } | ||
2206 | |||
2207 | 16171 | int ff_mjpeg_find_marker(MJpegDecodeContext *s, | |
2208 | const uint8_t **buf_ptr, const uint8_t *buf_end, | ||
2209 | const uint8_t **unescaped_buf_ptr, | ||
2210 | int *unescaped_buf_size) | ||
2211 | { | ||
2212 | int start_code; | ||
2213 | 16171 | start_code = find_marker(buf_ptr, buf_end); | |
2214 | |||
2215 | 16171 | av_fast_padded_malloc(&s->buffer, &s->buffer_size, buf_end - *buf_ptr); | |
2216 |
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|
16171 | if (!s->buffer) |
2217 | ✗ | return AVERROR(ENOMEM); | |
2218 | |||
2219 | /* unescape buffer of SOS, use special treatment for JPEG-LS */ | ||
2220 |
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|
18549 | if (start_code == SOS && !s->ls) { |
2221 | 2378 | const uint8_t *src = *buf_ptr; | |
2222 | 2378 | const uint8_t *ptr = src; | |
2223 | 2378 | uint8_t *dst = s->buffer; | |
2224 | |||
2225 | #define copy_data_segment(skip) do { \ | ||
2226 | ptrdiff_t length = (ptr - src) - (skip); \ | ||
2227 | if (length > 0) { \ | ||
2228 | memcpy(dst, src, length); \ | ||
2229 | dst += length; \ | ||
2230 | src = ptr; \ | ||
2231 | } \ | ||
2232 | } while (0) | ||
2233 | |||
2234 |
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|
2378 | if (s->avctx->codec_id == AV_CODEC_ID_THP) { |
2235 | 74 | ptr = buf_end; | |
2236 |
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|
74 | copy_data_segment(0); |
2237 | } else { | ||
2238 |
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|
43140685 | while (ptr < buf_end) { |
2239 | 43140685 | uint8_t x = *(ptr++); | |
2240 | |||
2241 |
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✓ Branch 1 taken 42955395 times.
|
43140685 | if (x == 0xff) { |
2242 | 185290 | ptrdiff_t skip = 0; | |
2243 |
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✓ Branch 3 taken 182996 times.
|
370594 | while (ptr < buf_end && x == 0xff) { |
2244 | 185304 | x = *(ptr++); | |
2245 | 185304 | skip++; | |
2246 | } | ||
2247 | |||
2248 | /* 0xFF, 0xFF, ... */ | ||
2249 |
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|
185290 | if (skip > 1) { |
2250 |
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|
7 | copy_data_segment(skip); |
2251 | |||
2252 | /* decrement src as it is equal to ptr after the | ||
2253 | * copy_data_segment macro and we might want to | ||
2254 | * copy the current value of x later on */ | ||
2255 | 7 | src--; | |
2256 | } | ||
2257 | |||
2258 |
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✓ Branch 3 taken 76 times.
|
185290 | if (x < RST0 || x > RST7) { |
2259 |
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✓ Branch 1 taken 7 times.
|
185214 | copy_data_segment(1); |
2260 |
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✓ Branch 1 taken 182910 times.
|
185214 | if (x) |
2261 | 2304 | break; | |
2262 | } | ||
2263 | } | ||
2264 | } | ||
2265 |
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✓ Branch 1 taken 2297 times.
|
2304 | if (src < ptr) |
2266 |
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|
7 | copy_data_segment(0); |
2267 | } | ||
2268 | #undef copy_data_segment | ||
2269 | |||
2270 | 2378 | *unescaped_buf_ptr = s->buffer; | |
2271 | 2378 | *unescaped_buf_size = dst - s->buffer; | |
2272 | 2378 | memset(s->buffer + *unescaped_buf_size, 0, | |
2273 | AV_INPUT_BUFFER_PADDING_SIZE); | ||
2274 | |||
2275 | 2378 | av_log(s->avctx, AV_LOG_DEBUG, "escaping removed %"PTRDIFF_SPECIFIER" bytes\n", | |
2276 | 2378 | (buf_end - *buf_ptr) - (dst - s->buffer)); | |
2277 |
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|
13793 | } else if (start_code == SOS && s->ls) { |
2278 | 213 | const uint8_t *src = *buf_ptr; | |
2279 | 213 | uint8_t *dst = s->buffer; | |
2280 | 213 | int bit_count = 0; | |
2281 | 213 | int t = 0, b = 0; | |
2282 | PutBitContext pb; | ||
2283 | |||
2284 | /* find marker */ | ||
2285 |
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✗ Branch 1 not taken.
|
27487079 | while (src + t < buf_end) { |
2286 | 27487079 | uint8_t x = src[t++]; | |
2287 |
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✓ Branch 1 taken 27333028 times.
|
27487079 | if (x == 0xff) { |
2288 |
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✓ Branch 2 taken 154051 times.
✓ Branch 3 taken 153838 times.
|
308102 | while ((src + t < buf_end) && x == 0xff) |
2289 | 154051 | x = src[t++]; | |
2290 |
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✓ Branch 1 taken 153838 times.
|
154051 | if (x & 0x80) { |
2291 | 213 | t -= FFMIN(2, t); | |
2292 | 213 | break; | |
2293 | } | ||
2294 | } | ||
2295 | } | ||
2296 | 213 | bit_count = t * 8; | |
2297 | 213 | init_put_bits(&pb, dst, t); | |
2298 | |||
2299 | /* unescape bitstream */ | ||
2300 |
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✓ Branch 1 taken 213 times.
|
27487079 | while (b < t) { |
2301 | 27486866 | uint8_t x = src[b++]; | |
2302 | 27486866 | put_bits(&pb, 8, x); | |
2303 |
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|
27486866 | if (x == 0xFF && b < t) { |
2304 | 153838 | x = src[b++]; | |
2305 |
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✓ Branch 1 taken 153838 times.
|
153838 | if (x & 0x80) { |
2306 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Invalid escape sequence\n"); | |
2307 | ✗ | x &= 0x7f; | |
2308 | } | ||
2309 | 153838 | put_bits(&pb, 7, x); | |
2310 | 153838 | bit_count--; | |
2311 | } | ||
2312 | } | ||
2313 | 213 | flush_put_bits(&pb); | |
2314 | |||
2315 | 213 | *unescaped_buf_ptr = dst; | |
2316 | 213 | *unescaped_buf_size = (bit_count + 7) >> 3; | |
2317 | 213 | memset(s->buffer + *unescaped_buf_size, 0, | |
2318 | AV_INPUT_BUFFER_PADDING_SIZE); | ||
2319 | } else { | ||
2320 | 13580 | *unescaped_buf_ptr = *buf_ptr; | |
2321 | 13580 | *unescaped_buf_size = buf_end - *buf_ptr; | |
2322 | } | ||
2323 | |||
2324 | 16171 | return start_code; | |
2325 | } | ||
2326 | |||
2327 | 183 | static void reset_icc_profile(MJpegDecodeContext *s) | |
2328 | { | ||
2329 | int i; | ||
2330 | |||
2331 |
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|
183 | if (s->iccentries) { |
2332 |
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|
8 | for (i = 0; i < s->iccnum; i++) |
2333 | 4 | av_freep(&s->iccentries[i].data); | |
2334 | 4 | av_freep(&s->iccentries); | |
2335 | } | ||
2336 | |||
2337 | 183 | s->iccread = 0; | |
2338 | 183 | s->iccnum = 0; | |
2339 | 183 | } | |
2340 | |||
2341 | // SMV JPEG just stacks several output frames into one JPEG picture | ||
2342 | // we handle that by setting up the cropping parameters appropriately | ||
2343 | 13 | static int smv_process_frame(AVCodecContext *avctx, AVFrame *frame) | |
2344 | { | ||
2345 | 13 | MJpegDecodeContext *s = avctx->priv_data; | |
2346 | int ret; | ||
2347 | |||
2348 |
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|
13 | if (s->smv_next_frame > 0) { |
2349 |
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✓ Branch 1 taken 10 times.
|
10 | av_assert0(s->smv_frame->buf[0]); |
2350 | 10 | av_frame_unref(frame); | |
2351 | 10 | ret = av_frame_ref(frame, s->smv_frame); | |
2352 |
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✓ Branch 1 taken 10 times.
|
10 | if (ret < 0) |
2353 | ✗ | return ret; | |
2354 | } else { | ||
2355 |
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✓ Branch 1 taken 3 times.
|
3 | av_assert0(frame->buf[0]); |
2356 | 3 | av_frame_unref(s->smv_frame); | |
2357 | 3 | ret = av_frame_ref(s->smv_frame, frame); | |
2358 |
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✓ Branch 1 taken 3 times.
|
3 | if (ret < 0) |
2359 | ✗ | return ret; | |
2360 | } | ||
2361 | |||
2362 |
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✓ Branch 1 taken 13 times.
|
13 | av_assert0((s->smv_next_frame + 1) * avctx->height <= avctx->coded_height); |
2363 | |||
2364 | 13 | frame->width = avctx->coded_width; | |
2365 | 13 | frame->height = avctx->coded_height; | |
2366 | 13 | frame->crop_top = FFMIN(s->smv_next_frame * avctx->height, frame->height); | |
2367 | 13 | frame->crop_bottom = frame->height - (s->smv_next_frame + 1) * avctx->height; | |
2368 | |||
2369 | 13 | s->smv_next_frame = (s->smv_next_frame + 1) % s->smv_frames_per_jpeg; | |
2370 | |||
2371 |
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✓ Branch 1 taken 11 times.
|
13 | if (s->smv_next_frame == 0) |
2372 | 2 | av_frame_unref(s->smv_frame); | |
2373 | |||
2374 | 13 | return 0; | |
2375 | } | ||
2376 | |||
2377 | 4945 | static int mjpeg_get_packet(AVCodecContext *avctx) | |
2378 | { | ||
2379 | 4945 | MJpegDecodeContext *s = avctx->priv_data; | |
2380 | int ret; | ||
2381 | |||
2382 | 4945 | av_packet_unref(s->pkt); | |
2383 | 4945 | ret = ff_decode_get_packet(avctx, s->pkt); | |
2384 |
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|
4945 | if (ret < 0) |
2385 | 2388 | return ret; | |
2386 | |||
2387 | #if CONFIG_SP5X_DECODER || CONFIG_AMV_DECODER | ||
2388 |
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|
2557 | if (avctx->codec_id == AV_CODEC_ID_SP5X || |
2389 |
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|
2546 | avctx->codec_id == AV_CODEC_ID_AMV) { |
2390 | 378 | ret = ff_sp5x_process_packet(avctx, s->pkt); | |
2391 |
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|
378 | if (ret < 0) |
2392 | ✗ | return ret; | |
2393 | } | ||
2394 | #endif | ||
2395 | |||
2396 | 2557 | s->buf_size = s->pkt->size; | |
2397 | |||
2398 | 2557 | return 0; | |
2399 | } | ||
2400 | |||
2401 | 4955 | int ff_mjpeg_receive_frame(AVCodecContext *avctx, AVFrame *frame) | |
2402 | { | ||
2403 | 4955 | MJpegDecodeContext *s = avctx->priv_data; | |
2404 | const uint8_t *buf_end, *buf_ptr; | ||
2405 | const uint8_t *unescaped_buf_ptr; | ||
2406 | int hshift, vshift; | ||
2407 | int unescaped_buf_size; | ||
2408 | int start_code; | ||
2409 | int i, index; | ||
2410 | 4955 | int ret = 0; | |
2411 | int is16bit; | ||
2412 | 4955 | AVDictionaryEntry *e = NULL; | |
2413 | |||
2414 | 4955 | s->force_pal8 = 0; | |
2415 | |||
2416 |
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|
4955 | if (avctx->codec_id == AV_CODEC_ID_SMVJPEG && s->smv_next_frame > 0) |
2417 | 10 | return smv_process_frame(avctx, frame); | |
2418 | |||
2419 | 4945 | av_dict_free(&s->exif_metadata); | |
2420 | 4945 | av_freep(&s->stereo3d); | |
2421 | 4945 | s->adobe_transform = -1; | |
2422 | |||
2423 |
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|
4945 | if (s->iccnum != 0) |
2424 | 4 | reset_icc_profile(s); | |
2425 | |||
2426 | 4945 | ret = mjpeg_get_packet(avctx); | |
2427 |
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|
4945 | if (ret < 0) |
2428 | 2388 | return ret; | |
2429 | 2557 | redo_for_pal8: | |
2430 | 2565 | buf_ptr = s->pkt->data; | |
2431 | 2565 | buf_end = s->pkt->data + s->pkt->size; | |
2432 |
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✗ Branch 1 not taken.
|
15969 | while (buf_ptr < buf_end) { |
2433 | /* find start next marker */ | ||
2434 | 15969 | start_code = ff_mjpeg_find_marker(s, &buf_ptr, buf_end, | |
2435 | &unescaped_buf_ptr, | ||
2436 | &unescaped_buf_size); | ||
2437 | /* EOF */ | ||
2438 |
2/2✓ Branch 0 taken 5 times.
✓ Branch 1 taken 15964 times.
|
15969 | if (start_code < 0) { |
2439 | 5 | break; | |
2440 |
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|
15964 | } else if (unescaped_buf_size > INT_MAX / 8) { |
2441 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
2442 | "MJPEG packet 0x%x too big (%d/%d), corrupt data?\n", | ||
2443 | ✗ | start_code, unescaped_buf_size, s->pkt->size); | |
2444 | ✗ | return AVERROR_INVALIDDATA; | |
2445 | } | ||
2446 | 15964 | av_log(avctx, AV_LOG_DEBUG, "marker=%x avail_size_in_buf=%"PTRDIFF_SPECIFIER"\n", | |
2447 | start_code, buf_end - buf_ptr); | ||
2448 | |||
2449 | 15964 | ret = init_get_bits8(&s->gb, unescaped_buf_ptr, unescaped_buf_size); | |
2450 | |||
2451 |
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✓ Branch 1 taken 15964 times.
|
15964 | if (ret < 0) { |
2452 | ✗ | av_log(avctx, AV_LOG_ERROR, "invalid buffer\n"); | |
2453 | ✗ | goto fail; | |
2454 | } | ||
2455 | |||
2456 | 15964 | s->start_code = start_code; | |
2457 |
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✓ Branch 1 taken 15964 times.
|
15964 | if (s->avctx->debug & FF_DEBUG_STARTCODE) |
2458 | ✗ | av_log(avctx, AV_LOG_DEBUG, "startcode: %X\n", start_code); | |
2459 | |||
2460 | /* process markers */ | ||
2461 |
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|
15964 | if (start_code >= RST0 && start_code <= RST7) { |
2462 | 2 | av_log(avctx, AV_LOG_DEBUG, | |
2463 | "restart marker: %d\n", start_code & 0x0f); | ||
2464 | /* APP fields */ | ||
2465 |
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|
15962 | } else if (start_code >= APP0 && start_code <= APP15) { |
2466 |
1/2✗ Branch 1 not taken.
✓ Branch 2 taken 192 times.
|
192 | if ((ret = mjpeg_decode_app(s)) < 0) |
2467 | ✗ | av_log(avctx, AV_LOG_ERROR, "unable to decode APP fields: %s\n", | |
2468 | ✗ | av_err2str(ret)); | |
2469 | /* Comment */ | ||
2470 |
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|
15770 | } else if (start_code == COM) { |
2471 | 231 | ret = mjpeg_decode_com(s); | |
2472 |
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✓ Branch 1 taken 231 times.
|
231 | if (ret < 0) |
2473 | ✗ | return ret; | |
2474 |
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|
15539 | } else if (start_code == DQT) { |
2475 | 2539 | ret = ff_mjpeg_decode_dqt(s); | |
2476 |
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✓ Branch 1 taken 2539 times.
|
2539 | if (ret < 0) |
2477 | ✗ | return ret; | |
2478 | } | ||
2479 | |||
2480 | 15964 | ret = -1; | |
2481 | |||
2482 | if (!CONFIG_JPEGLS_DECODER && | ||
2483 | (start_code == SOF48 || start_code == LSE)) { | ||
2484 | av_log(avctx, AV_LOG_ERROR, "JPEG-LS support not enabled.\n"); | ||
2485 | return AVERROR(ENOSYS); | ||
2486 | } | ||
2487 | |||
2488 |
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|
15964 | if (avctx->skip_frame == AVDISCARD_ALL) { |
2489 |
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|
677 | switch(start_code) { |
2490 | 300 | case SOF0: | |
2491 | case SOF1: | ||
2492 | case SOF2: | ||
2493 | case SOF3: | ||
2494 | case SOF48: | ||
2495 | case SOI: | ||
2496 | case SOS: | ||
2497 | case EOI: | ||
2498 | 300 | break; | |
2499 | 377 | default: | |
2500 | 377 | goto skip; | |
2501 | } | ||
2502 | } | ||
2503 | |||
2504 |
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|
15587 | switch (start_code) { |
2505 | 2568 | case SOI: | |
2506 | 2568 | s->restart_interval = 0; | |
2507 | 2568 | s->restart_count = 0; | |
2508 | 2568 | s->raw_image_buffer = buf_ptr; | |
2509 | 2568 | s->raw_image_buffer_size = buf_end - buf_ptr; | |
2510 | /* nothing to do on SOI */ | ||
2511 | 2568 | break; | |
2512 | 2532 | case DHT: | |
2513 |
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✓ Branch 2 taken 2532 times.
|
2532 | if ((ret = ff_mjpeg_decode_dht(s)) < 0) { |
2514 | ✗ | av_log(avctx, AV_LOG_ERROR, "huffman table decode error\n"); | |
2515 | ✗ | goto fail; | |
2516 | } | ||
2517 | 2532 | break; | |
2518 | 2142 | case SOF0: | |
2519 | case SOF1: | ||
2520 |
2/2✓ Branch 0 taken 2140 times.
✓ Branch 1 taken 2 times.
|
2142 | if (start_code == SOF0) |
2521 | 2140 | s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT; | |
2522 | else | ||
2523 | 2 | s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT; | |
2524 | 2142 | s->lossless = 0; | |
2525 | 2142 | s->ls = 0; | |
2526 | 2142 | s->progressive = 0; | |
2527 |
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✓ Branch 2 taken 2142 times.
|
2142 | if ((ret = ff_mjpeg_decode_sof(s)) < 0) |
2528 | ✗ | goto fail; | |
2529 | 2142 | break; | |
2530 | ✗ | case SOF2: | |
2531 | ✗ | s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT; | |
2532 | ✗ | s->lossless = 0; | |
2533 | ✗ | s->ls = 0; | |
2534 | ✗ | s->progressive = 1; | |
2535 | ✗ | if ((ret = ff_mjpeg_decode_sof(s)) < 0) | |
2536 | ✗ | goto fail; | |
2537 | ✗ | break; | |
2538 | 205 | case SOF3: | |
2539 | 205 | s->avctx->profile = FF_PROFILE_MJPEG_HUFFMAN_LOSSLESS; | |
2540 | 205 | s->avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS; | |
2541 | 205 | s->lossless = 1; | |
2542 | 205 | s->ls = 0; | |
2543 | 205 | s->progressive = 0; | |
2544 |
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✓ Branch 2 taken 205 times.
|
205 | if ((ret = ff_mjpeg_decode_sof(s)) < 0) |
2545 | ✗ | goto fail; | |
2546 | 205 | break; | |
2547 | 221 | case SOF48: | |
2548 | 221 | s->avctx->profile = FF_PROFILE_MJPEG_JPEG_LS; | |
2549 | 221 | s->avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS; | |
2550 | 221 | s->lossless = 1; | |
2551 | 221 | s->ls = 1; | |
2552 | 221 | s->progressive = 0; | |
2553 |
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✓ Branch 2 taken 221 times.
|
221 | if ((ret = ff_mjpeg_decode_sof(s)) < 0) |
2554 | ✗ | goto fail; | |
2555 | 221 | break; | |
2556 | 16 | case LSE: | |
2557 |
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✓ Branch 1 taken 16 times.
|
16 | if (!CONFIG_JPEGLS_DECODER || |
2558 | 16 | (ret = ff_jpegls_decode_lse(s)) < 0) | |
2559 | ✗ | goto fail; | |
2560 |
2/2✓ Branch 0 taken 8 times.
✓ Branch 1 taken 8 times.
|
16 | if (ret == 1) |
2561 | 8 | goto redo_for_pal8; | |
2562 | 8 | break; | |
2563 | case EOI: | ||
2564 | 2560 | eoi_parser: | |
2565 |
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|
2560 | if (!avctx->hwaccel && avctx->skip_frame != AVDISCARD_ALL && |
2566 |
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|
2484 | s->progressive && s->cur_scan && s->got_picture) |
2567 | ✗ | mjpeg_idct_scan_progressive_ac(s); | |
2568 | 2560 | s->cur_scan = 0; | |
2569 |
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✓ Branch 1 taken 2560 times.
|
2560 | if (!s->got_picture) { |
2570 | ✗ | av_log(avctx, AV_LOG_WARNING, | |
2571 | "Found EOI before any SOF, ignoring\n"); | ||
2572 | ✗ | break; | |
2573 | } | ||
2574 |
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✓ Branch 1 taken 2552 times.
|
2560 | if (s->interlaced) { |
2575 | 8 | s->bottom_field ^= 1; | |
2576 | /* if not bottom field, do not output image yet */ | ||
2577 |
2/2✓ Branch 0 taken 4 times.
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|
8 | if (s->bottom_field == !s->interlace_polarity) |
2578 | 4 | break; | |
2579 | } | ||
2580 |
2/2✓ Branch 0 taken 75 times.
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|
2556 | if (avctx->skip_frame == AVDISCARD_ALL) { |
2581 | 75 | s->got_picture = 0; | |
2582 | 75 | ret = AVERROR(EAGAIN); | |
2583 | 75 | goto the_end_no_picture; | |
2584 | } | ||
2585 |
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✓ Branch 1 taken 2481 times.
|
2481 | if (s->avctx->hwaccel) { |
2586 | ✗ | ret = s->avctx->hwaccel->end_frame(s->avctx); | |
2587 | ✗ | if (ret < 0) | |
2588 | ✗ | return ret; | |
2589 | |||
2590 | ✗ | av_freep(&s->hwaccel_picture_private); | |
2591 | } | ||
2592 |
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✓ Branch 2 taken 2481 times.
|
2481 | if ((ret = av_frame_ref(frame, s->picture_ptr)) < 0) |
2593 | ✗ | return ret; | |
2594 | 2481 | s->got_picture = 0; | |
2595 | |||
2596 | 2481 | frame->pkt_dts = s->pkt->dts; | |
2597 | |||
2598 |
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|
2481 | if (!s->lossless && avctx->debug & FF_DEBUG_QP) { |
2599 | ✗ | int qp = FFMAX3(s->qscale[0], | |
2600 | s->qscale[1], | ||
2601 | s->qscale[2]); | ||
2602 | |||
2603 | ✗ | av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", qp); | |
2604 | } | ||
2605 | |||
2606 | 2481 | goto the_end; | |
2607 | 2560 | case SOS: | |
2608 | 2560 | s->raw_scan_buffer = buf_ptr; | |
2609 | 2560 | s->raw_scan_buffer_size = buf_end - buf_ptr; | |
2610 | |||
2611 | 2560 | s->cur_scan++; | |
2612 |
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✓ Branch 1 taken 2484 times.
|
2560 | if (avctx->skip_frame == AVDISCARD_ALL) { |
2613 | 76 | skip_bits(&s->gb, get_bits_left(&s->gb)); | |
2614 | 76 | break; | |
2615 | } | ||
2616 | |||
2617 |
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✓ Branch 2 taken 2484 times.
|
2484 | if ((ret = ff_mjpeg_decode_sos(s, NULL, 0, NULL)) < 0 && |
2618 | ✗ | (avctx->err_recognition & AV_EF_EXPLODE)) | |
2619 | ✗ | goto fail; | |
2620 | 2484 | break; | |
2621 | 16 | case DRI: | |
2622 |
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✓ Branch 2 taken 16 times.
|
16 | if ((ret = mjpeg_decode_dri(s)) < 0) |
2623 | ✗ | return ret; | |
2624 | 16 | break; | |
2625 | ✗ | case SOF5: | |
2626 | case SOF6: | ||
2627 | case SOF7: | ||
2628 | case SOF9: | ||
2629 | case SOF10: | ||
2630 | case SOF11: | ||
2631 | case SOF13: | ||
2632 | case SOF14: | ||
2633 | case SOF15: | ||
2634 | case JPG: | ||
2635 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
2636 | "mjpeg: unsupported coding type (%x)\n", start_code); | ||
2637 | ✗ | break; | |
2638 | } | ||
2639 | |||
2640 | 13404 | skip: | |
2641 | /* eof process start code */ | ||
2642 | 13404 | buf_ptr += (get_bits_count(&s->gb) + 7) / 8; | |
2643 | 26808 | av_log(avctx, AV_LOG_DEBUG, | |
2644 | "marker parser used %d bytes (%d bits)\n", | ||
2645 | 13404 | (get_bits_count(&s->gb) + 7) / 8, get_bits_count(&s->gb)); | |
2646 | } | ||
2647 |
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|
5 | if (s->got_picture && s->cur_scan) { |
2648 | 4 | av_log(avctx, AV_LOG_WARNING, "EOI missing, emulating\n"); | |
2649 | 4 | goto eoi_parser; | |
2650 | } | ||
2651 | 1 | av_log(avctx, AV_LOG_FATAL, "No JPEG data found in image\n"); | |
2652 | 1 | return AVERROR_INVALIDDATA; | |
2653 | ✗ | fail: | |
2654 | ✗ | s->got_picture = 0; | |
2655 | ✗ | return ret; | |
2656 | 2481 | the_end: | |
2657 | |||
2658 | 2481 | is16bit = av_pix_fmt_desc_get(s->avctx->pix_fmt)->comp[0].step > 1; | |
2659 | |||
2660 |
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✓ Branch 1 taken 2481 times.
|
2481 | if (AV_RB32(s->upscale_h)) { |
2661 | int p; | ||
2662 | ✗ | av_assert0(avctx->pix_fmt == AV_PIX_FMT_YUVJ444P || | |
2663 | avctx->pix_fmt == AV_PIX_FMT_YUV444P || | ||
2664 | avctx->pix_fmt == AV_PIX_FMT_YUVJ440P || | ||
2665 | avctx->pix_fmt == AV_PIX_FMT_YUV440P || | ||
2666 | avctx->pix_fmt == AV_PIX_FMT_YUVA444P || | ||
2667 | avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || | ||
2668 | avctx->pix_fmt == AV_PIX_FMT_YUV420P || | ||
2669 | avctx->pix_fmt == AV_PIX_FMT_YUV420P16|| | ||
2670 | avctx->pix_fmt == AV_PIX_FMT_YUVA420P || | ||
2671 | avctx->pix_fmt == AV_PIX_FMT_YUVA420P16|| | ||
2672 | avctx->pix_fmt == AV_PIX_FMT_GBRP || | ||
2673 | avctx->pix_fmt == AV_PIX_FMT_GBRAP | ||
2674 | ); | ||
2675 | ✗ | ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); | |
2676 | ✗ | if (ret) | |
2677 | ✗ | return ret; | |
2678 | |||
2679 | ✗ | av_assert0(s->nb_components == av_pix_fmt_count_planes(s->picture_ptr->format)); | |
2680 | ✗ | for (p = 0; p<s->nb_components; p++) { | |
2681 | ✗ | uint8_t *line = s->picture_ptr->data[p]; | |
2682 | ✗ | int w = s->width; | |
2683 | ✗ | int h = s->height; | |
2684 | ✗ | if (!s->upscale_h[p]) | |
2685 | ✗ | continue; | |
2686 | ✗ | if (p==1 || p==2) { | |
2687 | ✗ | w = AV_CEIL_RSHIFT(w, hshift); | |
2688 | ✗ | h = AV_CEIL_RSHIFT(h, vshift); | |
2689 | } | ||
2690 | ✗ | if (s->upscale_v[p] == 1) | |
2691 | ✗ | h = (h+1)>>1; | |
2692 | ✗ | av_assert0(w > 0); | |
2693 | ✗ | for (i = 0; i < h; i++) { | |
2694 | ✗ | if (s->upscale_h[p] == 1) { | |
2695 | ✗ | if (is16bit) ((uint16_t*)line)[w - 1] = ((uint16_t*)line)[(w - 1) / 2]; | |
2696 | ✗ | else line[w - 1] = line[(w - 1) / 2]; | |
2697 | ✗ | for (index = w - 2; index > 0; index--) { | |
2698 | ✗ | if (is16bit) | |
2699 | ✗ | ((uint16_t*)line)[index] = (((uint16_t*)line)[index / 2] + ((uint16_t*)line)[(index + 1) / 2]) >> 1; | |
2700 | else | ||
2701 | ✗ | line[index] = (line[index / 2] + line[(index + 1) / 2]) >> 1; | |
2702 | } | ||
2703 | ✗ | } else if (s->upscale_h[p] == 2) { | |
2704 | ✗ | if (is16bit) { | |
2705 | ✗ | ((uint16_t*)line)[w - 1] = ((uint16_t*)line)[(w - 1) / 3]; | |
2706 | ✗ | if (w > 1) | |
2707 | ✗ | ((uint16_t*)line)[w - 2] = ((uint16_t*)line)[w - 1]; | |
2708 | } else { | ||
2709 | ✗ | line[w - 1] = line[(w - 1) / 3]; | |
2710 | ✗ | if (w > 1) | |
2711 | ✗ | line[w - 2] = line[w - 1]; | |
2712 | } | ||
2713 | ✗ | for (index = w - 3; index > 0; index--) { | |
2714 | ✗ | line[index] = (line[index / 3] + line[(index + 1) / 3] + line[(index + 2) / 3] + 1) / 3; | |
2715 | } | ||
2716 | } | ||
2717 | ✗ | line += s->linesize[p]; | |
2718 | } | ||
2719 | } | ||
2720 | } | ||
2721 |
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✓ Branch 1 taken 2481 times.
|
2481 | if (AV_RB32(s->upscale_v)) { |
2722 | int p; | ||
2723 | ✗ | av_assert0(avctx->pix_fmt == AV_PIX_FMT_YUVJ444P || | |
2724 | avctx->pix_fmt == AV_PIX_FMT_YUV444P || | ||
2725 | avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || | ||
2726 | avctx->pix_fmt == AV_PIX_FMT_YUV422P || | ||
2727 | avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || | ||
2728 | avctx->pix_fmt == AV_PIX_FMT_YUV420P || | ||
2729 | avctx->pix_fmt == AV_PIX_FMT_YUV440P || | ||
2730 | avctx->pix_fmt == AV_PIX_FMT_YUVJ440P || | ||
2731 | avctx->pix_fmt == AV_PIX_FMT_YUVA444P || | ||
2732 | avctx->pix_fmt == AV_PIX_FMT_YUVA420P || | ||
2733 | avctx->pix_fmt == AV_PIX_FMT_YUVA420P16|| | ||
2734 | avctx->pix_fmt == AV_PIX_FMT_GBRP || | ||
2735 | avctx->pix_fmt == AV_PIX_FMT_GBRAP | ||
2736 | ); | ||
2737 | ✗ | ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); | |
2738 | ✗ | if (ret) | |
2739 | ✗ | return ret; | |
2740 | |||
2741 | ✗ | av_assert0(s->nb_components == av_pix_fmt_count_planes(s->picture_ptr->format)); | |
2742 | ✗ | for (p = 0; p < s->nb_components; p++) { | |
2743 | uint8_t *dst; | ||
2744 | ✗ | int w = s->width; | |
2745 | ✗ | int h = s->height; | |
2746 | ✗ | if (!s->upscale_v[p]) | |
2747 | ✗ | continue; | |
2748 | ✗ | if (p==1 || p==2) { | |
2749 | ✗ | w = AV_CEIL_RSHIFT(w, hshift); | |
2750 | ✗ | h = AV_CEIL_RSHIFT(h, vshift); | |
2751 | } | ||
2752 | ✗ | dst = &((uint8_t *)s->picture_ptr->data[p])[(h - 1) * s->linesize[p]]; | |
2753 | ✗ | for (i = h - 1; i; i--) { | |
2754 | ✗ | uint8_t *src1 = &((uint8_t *)s->picture_ptr->data[p])[i * s->upscale_v[p] / (s->upscale_v[p] + 1) * s->linesize[p]]; | |
2755 | ✗ | uint8_t *src2 = &((uint8_t *)s->picture_ptr->data[p])[(i + 1) * s->upscale_v[p] / (s->upscale_v[p] + 1) * s->linesize[p]]; | |
2756 | ✗ | if (s->upscale_v[p] != 2 && (src1 == src2 || i == h - 1)) { | |
2757 | ✗ | memcpy(dst, src1, w); | |
2758 | } else { | ||
2759 | ✗ | for (index = 0; index < w; index++) | |
2760 | ✗ | dst[index] = (src1[index] + src2[index]) >> 1; | |
2761 | } | ||
2762 | ✗ | dst -= s->linesize[p]; | |
2763 | } | ||
2764 | } | ||
2765 | } | ||
2766 |
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2481 | if (s->flipped && !s->rgb) { |
2767 | int j; | ||
2768 | 367 | ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); | |
2769 |
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367 | if (ret) |
2770 | ✗ | return ret; | |
2771 | |||
2772 |
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|
367 | av_assert0(s->nb_components == av_pix_fmt_count_planes(s->picture_ptr->format)); |
2773 |
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1468 | for (index=0; index<s->nb_components; index++) { |
2774 | 1101 | uint8_t *dst = s->picture_ptr->data[index]; | |
2775 | 1101 | int w = s->picture_ptr->width; | |
2776 | 1101 | int h = s->picture_ptr->height; | |
2777 |
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1101 | if(index && index<3){ |
2778 | 734 | w = AV_CEIL_RSHIFT(w, hshift); | |
2779 | 734 | h = AV_CEIL_RSHIFT(h, vshift); | |
2780 | } | ||
2781 |
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1101 | if(dst){ |
2782 | 1101 | uint8_t *dst2 = dst + s->picture_ptr->linesize[index]*(h-1); | |
2783 |
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66408 | for (i=0; i<h/2; i++) { |
2784 |
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14088753 | for (j=0; j<w; j++) |
2785 | 14023446 | FFSWAP(int, dst[j], dst2[j]); | |
2786 | 65307 | dst += s->picture_ptr->linesize[index]; | |
2787 | 65307 | dst2 -= s->picture_ptr->linesize[index]; | |
2788 | } | ||
2789 | } | ||
2790 | } | ||
2791 | } | ||
2792 |
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2481 | if (s->adobe_transform == 0 && s->avctx->pix_fmt == AV_PIX_FMT_GBRAP) { |
2793 | ✗ | int w = s->picture_ptr->width; | |
2794 | ✗ | int h = s->picture_ptr->height; | |
2795 | ✗ | av_assert0(s->nb_components == 4); | |
2796 | ✗ | for (i=0; i<h; i++) { | |
2797 | int j; | ||
2798 | uint8_t *dst[4]; | ||
2799 | ✗ | for (index=0; index<4; index++) { | |
2800 | ✗ | dst[index] = s->picture_ptr->data[index] | |
2801 | ✗ | + s->picture_ptr->linesize[index]*i; | |
2802 | } | ||
2803 | ✗ | for (j=0; j<w; j++) { | |
2804 | ✗ | int k = dst[3][j]; | |
2805 | ✗ | int r = dst[0][j] * k; | |
2806 | ✗ | int g = dst[1][j] * k; | |
2807 | ✗ | int b = dst[2][j] * k; | |
2808 | ✗ | dst[0][j] = g*257 >> 16; | |
2809 | ✗ | dst[1][j] = b*257 >> 16; | |
2810 | ✗ | dst[2][j] = r*257 >> 16; | |
2811 | ✗ | dst[3][j] = 255; | |
2812 | } | ||
2813 | } | ||
2814 | } | ||
2815 |
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2481 | if (s->adobe_transform == 2 && s->avctx->pix_fmt == AV_PIX_FMT_YUVA444P) { |
2816 | ✗ | int w = s->picture_ptr->width; | |
2817 | ✗ | int h = s->picture_ptr->height; | |
2818 | ✗ | av_assert0(s->nb_components == 4); | |
2819 | ✗ | for (i=0; i<h; i++) { | |
2820 | int j; | ||
2821 | uint8_t *dst[4]; | ||
2822 | ✗ | for (index=0; index<4; index++) { | |
2823 | ✗ | dst[index] = s->picture_ptr->data[index] | |
2824 | ✗ | + s->picture_ptr->linesize[index]*i; | |
2825 | } | ||
2826 | ✗ | for (j=0; j<w; j++) { | |
2827 | ✗ | int k = dst[3][j]; | |
2828 | ✗ | int r = (255 - dst[0][j]) * k; | |
2829 | ✗ | int g = (128 - dst[1][j]) * k; | |
2830 | ✗ | int b = (128 - dst[2][j]) * k; | |
2831 | ✗ | dst[0][j] = r*257 >> 16; | |
2832 | ✗ | dst[1][j] = (g*257 >> 16) + 128; | |
2833 | ✗ | dst[2][j] = (b*257 >> 16) + 128; | |
2834 | ✗ | dst[3][j] = 255; | |
2835 | } | ||
2836 | } | ||
2837 | } | ||
2838 | |||
2839 |
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2481 | if (s->stereo3d) { |
2840 | ✗ | AVStereo3D *stereo = av_stereo3d_create_side_data(frame); | |
2841 | ✗ | if (stereo) { | |
2842 | ✗ | stereo->type = s->stereo3d->type; | |
2843 | ✗ | stereo->flags = s->stereo3d->flags; | |
2844 | } | ||
2845 | ✗ | av_freep(&s->stereo3d); | |
2846 | } | ||
2847 | |||
2848 |
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2481 | if (s->iccnum != 0 && s->iccnum == s->iccread) { |
2849 | AVFrameSideData *sd; | ||
2850 | 2 | size_t offset = 0; | |
2851 | 2 | int total_size = 0; | |
2852 | int i; | ||
2853 | |||
2854 | /* Sum size of all parts. */ | ||
2855 |
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4 | for (i = 0; i < s->iccnum; i++) |
2856 | 2 | total_size += s->iccentries[i].length; | |
2857 | |||
2858 | 2 | sd = av_frame_new_side_data(frame, AV_FRAME_DATA_ICC_PROFILE, total_size); | |
2859 |
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2 | if (!sd) { |
2860 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Could not allocate frame side data\n"); | |
2861 | ✗ | return AVERROR(ENOMEM); | |
2862 | } | ||
2863 | |||
2864 | /* Reassemble the parts, which are now in-order. */ | ||
2865 |
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4 | for (i = 0; i < s->iccnum; i++) { |
2866 | 2 | memcpy(sd->data + offset, s->iccentries[i].data, s->iccentries[i].length); | |
2867 | 2 | offset += s->iccentries[i].length; | |
2868 | } | ||
2869 | } | ||
2870 | |||
2871 |
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2481 | if (e = av_dict_get(s->exif_metadata, "Orientation", e, AV_DICT_IGNORE_SUFFIX)) { |
2872 | 1 | char *value = e->value + strspn(e->value, " \n\t\r"), *endptr; | |
2873 | 1 | int orientation = strtol(value, &endptr, 0); | |
2874 | |||
2875 |
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1 | if (!*endptr) { |
2876 | 1 | AVFrameSideData *sd = NULL; | |
2877 | |||
2878 |
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1 | if (orientation >= 2 && orientation <= 8) { |
2879 | int32_t *matrix; | ||
2880 | |||
2881 | ✗ | sd = av_frame_new_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX, sizeof(int32_t) * 9); | |
2882 | ✗ | if (!sd) { | |
2883 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Could not allocate frame side data\n"); | |
2884 | ✗ | return AVERROR(ENOMEM); | |
2885 | } | ||
2886 | |||
2887 | ✗ | matrix = (int32_t *)sd->data; | |
2888 | |||
2889 | ✗ | switch (orientation) { | |
2890 | ✗ | case 2: | |
2891 | ✗ | av_display_rotation_set(matrix, 0.0); | |
2892 | ✗ | av_display_matrix_flip(matrix, 1, 0); | |
2893 | ✗ | break; | |
2894 | ✗ | case 3: | |
2895 | ✗ | av_display_rotation_set(matrix, 180.0); | |
2896 | ✗ | break; | |
2897 | ✗ | case 4: | |
2898 | ✗ | av_display_rotation_set(matrix, 180.0); | |
2899 | ✗ | av_display_matrix_flip(matrix, 1, 0); | |
2900 | ✗ | break; | |
2901 | ✗ | case 5: | |
2902 | ✗ | av_display_rotation_set(matrix, 90.0); | |
2903 | ✗ | av_display_matrix_flip(matrix, 1, 0); | |
2904 | ✗ | break; | |
2905 | ✗ | case 6: | |
2906 | ✗ | av_display_rotation_set(matrix, 90.0); | |
2907 | ✗ | break; | |
2908 | ✗ | case 7: | |
2909 | ✗ | av_display_rotation_set(matrix, -90.0); | |
2910 | ✗ | av_display_matrix_flip(matrix, 1, 0); | |
2911 | ✗ | break; | |
2912 | ✗ | case 8: | |
2913 | ✗ | av_display_rotation_set(matrix, -90.0); | |
2914 | ✗ | break; | |
2915 | ✗ | default: | |
2916 | ✗ | av_assert0(0); | |
2917 | } | ||
2918 | } | ||
2919 | } | ||
2920 | } | ||
2921 | |||
2922 | 2481 | av_dict_copy(&frame->metadata, s->exif_metadata, 0); | |
2923 | 2481 | av_dict_free(&s->exif_metadata); | |
2924 | |||
2925 |
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2481 | if (avctx->codec_id == AV_CODEC_ID_SMVJPEG) { |
2926 | 3 | ret = smv_process_frame(avctx, frame); | |
2927 |
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3 | if (ret < 0) { |
2928 | ✗ | av_frame_unref(frame); | |
2929 | ✗ | return ret; | |
2930 | } | ||
2931 | } | ||
2932 |
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2481 | if ((avctx->codec_tag == MKTAG('A', 'V', 'R', 'n') || |
2933 |
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2481 | avctx->codec_tag == MKTAG('A', 'V', 'D', 'J')) && |
2934 |
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10 | avctx->coded_height > s->orig_height) { |
2935 | 10 | frame->height = AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres); | |
2936 | 10 | frame->crop_top = frame->height - avctx->height; | |
2937 | } | ||
2938 | |||
2939 | 2481 | ret = 0; | |
2940 | |||
2941 | 2556 | the_end_no_picture: | |
2942 | 2556 | av_log(avctx, AV_LOG_DEBUG, "decode frame unused %"PTRDIFF_SPECIFIER" bytes\n", | |
2943 | buf_end - buf_ptr); | ||
2944 | |||
2945 | 2556 | return ret; | |
2946 | } | ||
2947 | |||
2948 | /* mxpeg may call the following function (with a blank MJpegDecodeContext) | ||
2949 | * even without having called ff_mjpeg_decode_init(). */ | ||
2950 | 179 | av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx) | |
2951 | { | ||
2952 | 179 | MJpegDecodeContext *s = avctx->priv_data; | |
2953 | int i, j; | ||
2954 | |||
2955 |
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179 | if (s->interlaced && s->bottom_field == !s->interlace_polarity && s->got_picture && !avctx->frame_number) { |
2956 | ✗ | av_log(avctx, AV_LOG_INFO, "Single field\n"); | |
2957 | } | ||
2958 | |||
2959 |
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179 | if (s->picture) { |
2960 | 177 | av_frame_free(&s->picture); | |
2961 | 177 | s->picture_ptr = NULL; | |
2962 |
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2 | } else if (s->picture_ptr) |
2963 | ✗ | av_frame_unref(s->picture_ptr); | |
2964 | |||
2965 | 179 | av_frame_free(&s->smv_frame); | |
2966 | |||
2967 | 179 | av_freep(&s->buffer); | |
2968 | 179 | av_freep(&s->stereo3d); | |
2969 | 179 | av_freep(&s->ljpeg_buffer); | |
2970 | 179 | s->ljpeg_buffer_size = 0; | |
2971 | |||
2972 |
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716 | for (i = 0; i < 3; i++) { |
2973 |
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2685 | for (j = 0; j < 4; j++) |
2974 | 2148 | ff_free_vlc(&s->vlcs[i][j]); | |
2975 | } | ||
2976 |
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895 | for (i = 0; i < MAX_COMPONENTS; i++) { |
2977 | 716 | av_freep(&s->blocks[i]); | |
2978 | 716 | av_freep(&s->last_nnz[i]); | |
2979 | } | ||
2980 | 179 | av_dict_free(&s->exif_metadata); | |
2981 | |||
2982 | 179 | reset_icc_profile(s); | |
2983 | |||
2984 | 179 | av_freep(&s->hwaccel_picture_private); | |
2985 | 179 | av_freep(&s->jls_state); | |
2986 | |||
2987 | 179 | return 0; | |
2988 | } | ||
2989 | |||
2990 | 4 | static void decode_flush(AVCodecContext *avctx) | |
2991 | { | ||
2992 | 4 | MJpegDecodeContext *s = avctx->priv_data; | |
2993 | 4 | s->got_picture = 0; | |
2994 | |||
2995 | 4 | s->smv_next_frame = 0; | |
2996 | 4 | av_frame_unref(s->smv_frame); | |
2997 | 4 | } | |
2998 | |||
2999 | #if CONFIG_MJPEG_DECODER | ||
3000 | #define OFFSET(x) offsetof(MJpegDecodeContext, x) | ||
3001 | #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | ||
3002 | static const AVOption options[] = { | ||
3003 | { "extern_huff", "Use external huffman table.", | ||
3004 | OFFSET(extern_huff), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD }, | ||
3005 | { NULL }, | ||
3006 | }; | ||
3007 | |||
3008 | static const AVClass mjpegdec_class = { | ||
3009 | .class_name = "MJPEG decoder", | ||
3010 | .item_name = av_default_item_name, | ||
3011 | .option = options, | ||
3012 | .version = LIBAVUTIL_VERSION_INT, | ||
3013 | }; | ||
3014 | |||
3015 | const FFCodec ff_mjpeg_decoder = { | ||
3016 | .p.name = "mjpeg", | ||
3017 | .p.long_name = NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"), | ||
3018 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
3019 | .p.id = AV_CODEC_ID_MJPEG, | ||
3020 | .priv_data_size = sizeof(MJpegDecodeContext), | ||
3021 | .init = ff_mjpeg_decode_init, | ||
3022 | .close = ff_mjpeg_decode_end, | ||
3023 | FF_CODEC_RECEIVE_FRAME_CB(ff_mjpeg_receive_frame), | ||
3024 | .flush = decode_flush, | ||
3025 | .p.capabilities = AV_CODEC_CAP_DR1, | ||
3026 | .p.max_lowres = 3, | ||
3027 | .p.priv_class = &mjpegdec_class, | ||
3028 | .p.profiles = NULL_IF_CONFIG_SMALL(ff_mjpeg_profiles), | ||
3029 | .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP | | ||
3030 | FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_SETS_PKT_DTS, | ||
3031 | .hw_configs = (const AVCodecHWConfigInternal *const []) { | ||
3032 | #if CONFIG_MJPEG_NVDEC_HWACCEL | ||
3033 | HWACCEL_NVDEC(mjpeg), | ||
3034 | #endif | ||
3035 | #if CONFIG_MJPEG_VAAPI_HWACCEL | ||
3036 | HWACCEL_VAAPI(mjpeg), | ||
3037 | #endif | ||
3038 | NULL | ||
3039 | }, | ||
3040 | }; | ||
3041 | #endif | ||
3042 | #if CONFIG_THP_DECODER | ||
3043 | const FFCodec ff_thp_decoder = { | ||
3044 | .p.name = "thp", | ||
3045 | .p.long_name = NULL_IF_CONFIG_SMALL("Nintendo Gamecube THP video"), | ||
3046 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
3047 | .p.id = AV_CODEC_ID_THP, | ||
3048 | .priv_data_size = sizeof(MJpegDecodeContext), | ||
3049 | .init = ff_mjpeg_decode_init, | ||
3050 | .close = ff_mjpeg_decode_end, | ||
3051 | FF_CODEC_RECEIVE_FRAME_CB(ff_mjpeg_receive_frame), | ||
3052 | .flush = decode_flush, | ||
3053 | .p.capabilities = AV_CODEC_CAP_DR1, | ||
3054 | .p.max_lowres = 3, | ||
3055 | .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP | | ||
3056 | FF_CODEC_CAP_SETS_PKT_DTS, | ||
3057 | }; | ||
3058 | #endif | ||
3059 | |||
3060 | #if CONFIG_SMVJPEG_DECODER | ||
3061 | const FFCodec ff_smvjpeg_decoder = { | ||
3062 | .p.name = "smvjpeg", | ||
3063 | .p.long_name = NULL_IF_CONFIG_SMALL("SMV JPEG"), | ||
3064 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
3065 | .p.id = AV_CODEC_ID_SMVJPEG, | ||
3066 | .priv_data_size = sizeof(MJpegDecodeContext), | ||
3067 | .init = ff_mjpeg_decode_init, | ||
3068 | .close = ff_mjpeg_decode_end, | ||
3069 | FF_CODEC_RECEIVE_FRAME_CB(ff_mjpeg_receive_frame), | ||
3070 | .flush = decode_flush, | ||
3071 | .p.capabilities = AV_CODEC_CAP_DR1, | ||
3072 | .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_EXPORTS_CROPPING | | ||
3073 | FF_CODEC_CAP_SETS_PKT_DTS | FF_CODEC_CAP_INIT_CLEANUP, | ||
3074 | }; | ||
3075 | #endif | ||
3076 |