Line | Branch | Exec | Source |
---|---|---|---|
1 | /* | ||
2 | * Raw Video Decoder | ||
3 | * Copyright (c) 2001 Fabrice Bellard | ||
4 | * | ||
5 | * This file is part of FFmpeg. | ||
6 | * | ||
7 | * FFmpeg is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU Lesser General Public | ||
9 | * License as published by the Free Software Foundation; either | ||
10 | * version 2.1 of the License, or (at your option) any later version. | ||
11 | * | ||
12 | * FFmpeg is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * Lesser General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU Lesser General Public | ||
18 | * License along with FFmpeg; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
20 | */ | ||
21 | |||
22 | /** | ||
23 | * @file | ||
24 | * Raw Video Decoder | ||
25 | */ | ||
26 | |||
27 | #include "avcodec.h" | ||
28 | #include "bswapdsp.h" | ||
29 | #include "codec_internal.h" | ||
30 | #include "decode.h" | ||
31 | #include "get_bits.h" | ||
32 | #include "internal.h" | ||
33 | #include "raw.h" | ||
34 | #include "libavutil/avassert.h" | ||
35 | #include "libavutil/buffer.h" | ||
36 | #include "libavutil/common.h" | ||
37 | #include "libavutil/intreadwrite.h" | ||
38 | #include "libavutil/imgutils.h" | ||
39 | #include "libavutil/opt.h" | ||
40 | |||
41 | typedef struct RawVideoContext { | ||
42 | AVClass *av_class; | ||
43 | AVBufferRef *palette; | ||
44 | int frame_size; /* size of the frame in bytes */ | ||
45 | int flip; | ||
46 | int is_1_2_4_8_bpp; // 1, 2, 4 and 8 bpp in avi/mov, 1 and 8 bpp in nut | ||
47 | int is_mono; | ||
48 | int is_pal8; | ||
49 | int is_nut_mono; | ||
50 | int is_nut_pal8; | ||
51 | int is_yuv2; | ||
52 | int is_lt_16bpp; // 16bpp pixfmt and bits_per_coded_sample < 16 | ||
53 | int tff; | ||
54 | |||
55 | BswapDSPContext bbdsp; | ||
56 | void *bitstream_buf; | ||
57 | unsigned int bitstream_buf_size; | ||
58 | } RawVideoContext; | ||
59 | |||
60 | static const AVOption options[]={ | ||
61 | {"top", "top field first", offsetof(RawVideoContext, tff), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM|AV_OPT_FLAG_VIDEO_PARAM}, | ||
62 | {NULL} | ||
63 | }; | ||
64 | |||
65 | static const AVClass rawdec_class = { | ||
66 | .class_name = "rawdec", | ||
67 | .option = options, | ||
68 | .version = LIBAVUTIL_VERSION_INT, | ||
69 | }; | ||
70 | |||
71 | 1131 | static av_cold int raw_init_decoder(AVCodecContext *avctx) | |
72 | { | ||
73 | 1131 | RawVideoContext *context = avctx->priv_data; | |
74 | const AVPixFmtDescriptor *desc; | ||
75 | |||
76 | 1131 | ff_bswapdsp_init(&context->bbdsp); | |
77 | |||
78 |
1/2✓ Branch 0 taken 1131 times.
✗ Branch 1 not taken.
|
1131 | if ( avctx->codec_tag == MKTAG('r','a','w',' ') |
79 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1131 times.
|
1131 | || avctx->codec_tag == MKTAG('N','O','1','6')) |
80 | ✗ | avctx->pix_fmt = avpriv_pix_fmt_find(PIX_FMT_LIST_MOV, | |
81 | ✗ | avctx->bits_per_coded_sample); | |
82 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1131 times.
|
1131 | else if (avctx->codec_tag == MKTAG('W', 'R', 'A', 'W')) |
83 | ✗ | avctx->pix_fmt = avpriv_pix_fmt_find(PIX_FMT_LIST_AVI, | |
84 | ✗ | avctx->bits_per_coded_sample); | |
85 |
4/4✓ Branch 0 taken 578 times.
✓ Branch 1 taken 553 times.
✓ Branch 2 taken 577 times.
✓ Branch 3 taken 1 times.
|
1131 | else if (avctx->codec_tag && (avctx->codec_tag & 0xFFFFFF) != MKTAG('B','I','T', 0)) |
86 | 577 | avctx->pix_fmt = avpriv_pix_fmt_find(PIX_FMT_LIST_RAW, avctx->codec_tag); | |
87 |
3/4✓ Branch 0 taken 15 times.
✓ Branch 1 taken 539 times.
✓ Branch 2 taken 15 times.
✗ Branch 3 not taken.
|
554 | else if (avctx->pix_fmt == AV_PIX_FMT_NONE && avctx->bits_per_coded_sample) |
88 | 15 | avctx->pix_fmt = avpriv_pix_fmt_find(PIX_FMT_LIST_AVI, | |
89 | 15 | avctx->bits_per_coded_sample); | |
90 | |||
91 | 1131 | desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
92 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1131 times.
|
1131 | if (!desc) { |
93 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid pixel format.\n"); | |
94 | ✗ | return AVERROR(EINVAL); | |
95 | } | ||
96 | |||
97 |
2/2✓ Branch 0 taken 8 times.
✓ Branch 1 taken 1123 times.
|
1131 | if (desc->flags & AV_PIX_FMT_FLAG_PAL) { |
98 | 8 | context->palette = av_buffer_alloc(AVPALETTE_SIZE); | |
99 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 8 times.
|
8 | if (!context->palette) |
100 | ✗ | return AVERROR(ENOMEM); | |
101 | 8 | memset(context->palette->data, 0, AVPALETTE_SIZE); | |
102 |
1/2✓ Branch 0 taken 8 times.
✗ Branch 1 not taken.
|
8 | if (avctx->bits_per_coded_sample == 1) |
103 | 8 | memset(context->palette->data, 0xff, 4); | |
104 | } | ||
105 | |||
106 |
2/2✓ Branch 0 taken 2 times.
✓ Branch 1 taken 1129 times.
|
1131 | if ((avctx->extradata_size >= 9 && |
107 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
|
2 | !memcmp(avctx->extradata + avctx->extradata_size - 9, "BottomUp", 9)) || |
108 |
1/2✓ Branch 0 taken 1129 times.
✗ Branch 1 not taken.
|
1129 | avctx->codec_tag == MKTAG('c','y','u','v') || |
109 |
1/2✓ Branch 0 taken 1129 times.
✗ Branch 1 not taken.
|
1129 | avctx->codec_tag == MKTAG(3, 0, 0, 0) || |
110 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1129 times.
|
1129 | avctx->codec_tag == MKTAG('W','R','A','W')) |
111 | 2 | context->flip = 1; | |
112 | |||
113 |
2/2✓ Branch 0 taken 1129 times.
✓ Branch 1 taken 2 times.
|
1131 | if (avctx->pix_fmt == AV_PIX_FMT_MONOWHITE || |
114 |
2/2✓ Branch 0 taken 2 times.
✓ Branch 1 taken 1127 times.
|
1129 | avctx->pix_fmt == AV_PIX_FMT_MONOBLACK) |
115 | 4 | context->is_mono = 1; | |
116 |
2/2✓ Branch 0 taken 8 times.
✓ Branch 1 taken 1119 times.
|
1127 | else if (avctx->pix_fmt == AV_PIX_FMT_PAL8) |
117 | 8 | context->is_pal8 = 1; | |
118 | |||
119 |
2/2✓ Branch 0 taken 1130 times.
✓ Branch 1 taken 1 times.
|
1131 | if (avctx->codec_tag == MKTAG('B','1','W','0') || |
120 |
2/2✓ Branch 0 taken 1 times.
✓ Branch 1 taken 1129 times.
|
1130 | avctx->codec_tag == MKTAG('B','0','W','1')) |
121 | 2 | context->is_nut_mono = 1; | |
122 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1129 times.
|
1129 | else if (avctx->codec_tag == MKTAG('P','A','L',8)) |
123 | ✗ | context->is_nut_pal8 = 1; | |
124 | |||
125 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1131 times.
|
1131 | if (avctx->codec_tag == AV_RL32("yuv2") && |
126 | ✗ | avctx->pix_fmt == AV_PIX_FMT_YUYV422) | |
127 | ✗ | context->is_yuv2 = 1; | |
128 | |||
129 | 1131 | return 0; | |
130 | } | ||
131 | |||
132 | ✗ | static void flip(AVCodecContext *avctx, AVFrame *frame) | |
133 | { | ||
134 | ✗ | frame->data[0] += frame->linesize[0] * (avctx->height - 1); | |
135 | ✗ | frame->linesize[0] *= -1; | |
136 | } | ||
137 | |||
138 | /* | ||
139 | * Scale sample to 16-bit resolution | ||
140 | */ | ||
141 | #define SCALE16(x, bits) (((x) << (16 - (bits))) | ((x) >> (2 * (bits) - 16))) | ||
142 | |||
143 | /** | ||
144 | * Scale buffer to 16 bits per coded sample resolution | ||
145 | */ | ||
146 | #define MKSCALE16(name, r16, w16) \ | ||
147 | static void name(AVCodecContext *avctx, uint8_t * dst, const uint8_t *buf, int buf_size, int packed) \ | ||
148 | { \ | ||
149 | int i; \ | ||
150 | if (!packed) { \ | ||
151 | for (i = 0; i + 1 < buf_size; i += 2) \ | ||
152 | w16(dst + i, SCALE16(r16(buf + i), avctx->bits_per_coded_sample)); \ | ||
153 | } else { \ | ||
154 | GetBitContext gb; \ | ||
155 | init_get_bits(&gb, buf, buf_size * 8); \ | ||
156 | for (i = 0; i < avctx->width * avctx->height; i++) { \ | ||
157 | int sample = get_bits(&gb, avctx->bits_per_coded_sample); \ | ||
158 | w16(dst + i*2, SCALE16(sample, avctx->bits_per_coded_sample)); \ | ||
159 | } \ | ||
160 | } \ | ||
161 | } | ||
162 | |||
163 | ✗ | MKSCALE16(scale16be, AV_RB16, AV_WB16) | |
164 | ✗ | MKSCALE16(scale16le, AV_RL16, AV_WL16) | |
165 | |||
166 | 21793 | static int raw_decode(AVCodecContext *avctx, AVFrame *frame, | |
167 | int *got_frame, AVPacket *avpkt) | ||
168 | { | ||
169 | const AVPixFmtDescriptor *desc; | ||
170 | 21793 | RawVideoContext *context = avctx->priv_data; | |
171 | 21793 | const uint8_t *buf = avpkt->data; | |
172 | 21793 | int buf_size = avpkt->size; | |
173 | 21793 | int linesize_align = 4; | |
174 | int stride; | ||
175 | int res, len; | ||
176 | int need_copy; | ||
177 | |||
178 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21793 times.
|
21793 | if (avctx->width <= 0) { |
179 | ✗ | av_log(avctx, AV_LOG_ERROR, "width is not set\n"); | |
180 | ✗ | return AVERROR_INVALIDDATA; | |
181 | } | ||
182 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21793 times.
|
21793 | if (avctx->height <= 0) { |
183 | ✗ | av_log(avctx, AV_LOG_ERROR, "height is not set\n"); | |
184 | ✗ | return AVERROR_INVALIDDATA; | |
185 | } | ||
186 | |||
187 |
2/2✓ Branch 0 taken 2 times.
✓ Branch 1 taken 21791 times.
|
21793 | if (context->is_nut_mono) |
188 | 2 | stride = avctx->width / 8 + (avctx->width & 7 ? 1 : 0); | |
189 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21791 times.
|
21791 | else if (context->is_nut_pal8) |
190 | ✗ | stride = avctx->width; | |
191 | else | ||
192 | 21791 | stride = avpkt->size / avctx->height; | |
193 | |||
194 | 21793 | av_log(avctx, AV_LOG_DEBUG, "PACKET SIZE: %d, STRIDE: %d\n", avpkt->size, stride); | |
195 | |||
196 |
3/4✓ Branch 0 taken 21792 times.
✓ Branch 1 taken 1 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 21792 times.
|
21793 | if (stride == 0 || avpkt->size < stride * avctx->height) { |
197 | 1 | av_log(avctx, AV_LOG_ERROR, "Packet too small (%d)\n", avpkt->size); | |
198 | 1 | return AVERROR_INVALIDDATA; | |
199 | } | ||
200 | |||
201 | 21792 | desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
202 | |||
203 |
2/4✓ Branch 0 taken 21792 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 21792 times.
✗ Branch 3 not taken.
|
21792 | if ((avctx->bits_per_coded_sample == 8 || avctx->bits_per_coded_sample == 4 || |
204 |
3/4✓ Branch 0 taken 21792 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 21592 times.
✓ Branch 3 taken 200 times.
|
21792 | avctx->bits_per_coded_sample == 2 || avctx->bits_per_coded_sample == 1 || |
205 |
5/6✓ Branch 0 taken 20391 times.
✓ Branch 1 taken 1201 times.
✓ Branch 2 taken 20391 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 2 times.
✓ Branch 5 taken 20389 times.
|
21592 | (avctx->bits_per_coded_sample == 0 && (context->is_nut_pal8 || context->is_mono)) ) && |
206 |
3/4✓ Branch 0 taken 200 times.
✓ Branch 1 taken 2 times.
✓ Branch 2 taken 200 times.
✗ Branch 3 not taken.
|
202 | (context->is_mono || context->is_pal8) && |
207 |
3/4✓ Branch 0 taken 2 times.
✓ Branch 1 taken 200 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
|
202 | (!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' ') || |
208 |
1/4✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
|
2 | context->is_nut_mono || context->is_nut_pal8)) { |
209 | 202 | context->is_1_2_4_8_bpp = 1; | |
210 |
2/2✓ Branch 0 taken 2 times.
✓ Branch 1 taken 200 times.
|
202 | if (context->is_mono) { |
211 | 2 | int row_bytes = avctx->width / 8 + (avctx->width & 7 ? 1 : 0); | |
212 | 2 | context->frame_size = av_image_get_buffer_size(avctx->pix_fmt, | |
213 | 2 | FFALIGN(row_bytes, 16) * 8, | |
214 | avctx->height, 1); | ||
215 | } else | ||
216 | 200 | context->frame_size = av_image_get_buffer_size(avctx->pix_fmt, | |
217 | 200 | FFALIGN(avctx->width, 16), | |
218 | avctx->height, 1); | ||
219 | } else { | ||
220 |
5/6✓ Branch 1 taken 206 times.
✓ Branch 2 taken 21384 times.
✓ Branch 3 taken 200 times.
✓ Branch 4 taken 6 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 200 times.
|
21590 | context->is_lt_16bpp = av_get_bits_per_pixel(desc) == 16 && avctx->bits_per_coded_sample > 8 && avctx->bits_per_coded_sample < 16; |
221 | 21590 | context->frame_size = av_image_get_buffer_size(avctx->pix_fmt, avctx->width, | |
222 | avctx->height, 1); | ||
223 | } | ||
224 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (context->frame_size < 0) |
225 | ✗ | return context->frame_size; | |
226 | |||
227 |
5/8✓ Branch 0 taken 21792 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 21590 times.
✓ Branch 3 taken 202 times.
✓ Branch 4 taken 21590 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 21590 times.
|
21792 | need_copy = !avpkt->buf || context->is_1_2_4_8_bpp || context->is_yuv2 || context->is_lt_16bpp; |
228 | |||
229 | 21792 | frame->pict_type = AV_PICTURE_TYPE_I; | |
230 | 21792 | frame->key_frame = 1; | |
231 | |||
232 | 21792 | res = ff_decode_frame_props(avctx, frame); | |
233 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (res < 0) |
234 | ✗ | return res; | |
235 | |||
236 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (context->tff >= 0) { |
237 | ✗ | frame->interlaced_frame = 1; | |
238 | ✗ | frame->top_field_first = context->tff; | |
239 | } | ||
240 | |||
241 |
1/2✗ Branch 1 not taken.
✓ Branch 2 taken 21792 times.
|
21792 | if ((res = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0) |
242 | ✗ | return res; | |
243 | |||
244 |
2/2✓ Branch 0 taken 202 times.
✓ Branch 1 taken 21590 times.
|
21792 | if (need_copy) |
245 | 202 | frame->buf[0] = av_buffer_alloc(FFMAX(context->frame_size, buf_size)); | |
246 | else | ||
247 | 21590 | frame->buf[0] = av_buffer_ref(avpkt->buf); | |
248 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (!frame->buf[0]) |
249 | ✗ | return AVERROR(ENOMEM); | |
250 | |||
251 | // 1, 2, 4 and 8 bpp in avi/mov, 1 and 8 bpp in nut | ||
252 |
2/2✓ Branch 0 taken 202 times.
✓ Branch 1 taken 21590 times.
|
21792 | if (context->is_1_2_4_8_bpp) { |
253 | 202 | int i, j, row_pix = 0; | |
254 | 202 | uint8_t *dst = frame->buf[0]->data; | |
255 |
2/2✓ Branch 0 taken 200 times.
✓ Branch 1 taken 2 times.
|
202 | buf_size = context->frame_size - (context->is_pal8 ? AVPALETTE_SIZE : 0); |
256 |
4/6✓ Branch 0 taken 202 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 202 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 2 times.
✓ Branch 5 taken 200 times.
|
204 | if (avctx->bits_per_coded_sample == 8 || context->is_nut_pal8 || context->is_mono) { |
257 |
1/2✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
|
2 | int pix_per_byte = context->is_mono ? 8 : 1; |
258 |
3/4✓ Branch 0 taken 25344 times.
✓ Branch 1 taken 2 times.
✓ Branch 2 taken 25344 times.
✗ Branch 3 not taken.
|
25346 | for (i = 0, j = 0; j < buf_size && i<avpkt->size; i++, j++) { |
259 | 25344 | dst[j] = buf[i]; | |
260 | 25344 | row_pix += pix_per_byte; | |
261 |
2/2✓ Branch 0 taken 576 times.
✓ Branch 1 taken 24768 times.
|
25344 | if (row_pix >= avctx->width) { |
262 | 576 | i += stride - (i % stride) - 1; | |
263 | 576 | j += 16 - (j % 16) - 1; | |
264 | 576 | row_pix = 0; | |
265 | } | ||
266 | } | ||
267 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
|
200 | } else if (avctx->bits_per_coded_sample == 4) { |
268 | ✗ | for (i = 0, j = 0; 2 * j + 1 < buf_size && i<avpkt->size; i++, j++) { | |
269 | ✗ | dst[2 * j + 0] = buf[i] >> 4; | |
270 | ✗ | dst[2 * j + 1] = buf[i] & 15; | |
271 | ✗ | row_pix += 2; | |
272 | ✗ | if (row_pix >= avctx->width) { | |
273 | ✗ | i += stride - (i % stride) - 1; | |
274 | ✗ | j += 8 - (j % 8) - 1; | |
275 | ✗ | row_pix = 0; | |
276 | } | ||
277 | } | ||
278 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
|
200 | } else if (avctx->bits_per_coded_sample == 2) { |
279 | ✗ | for (i = 0, j = 0; 4 * j + 3 < buf_size && i<avpkt->size; i++, j++) { | |
280 | ✗ | dst[4 * j + 0] = buf[i] >> 6; | |
281 | ✗ | dst[4 * j + 1] = buf[i] >> 4 & 3; | |
282 | ✗ | dst[4 * j + 2] = buf[i] >> 2 & 3; | |
283 | ✗ | dst[4 * j + 3] = buf[i] & 3; | |
284 | ✗ | row_pix += 4; | |
285 | ✗ | if (row_pix >= avctx->width) { | |
286 | ✗ | i += stride - (i % stride) - 1; | |
287 | ✗ | j += 4 - (j % 4) - 1; | |
288 | ✗ | row_pix = 0; | |
289 | } | ||
290 | } | ||
291 | } else { | ||
292 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
|
200 | av_assert0(avctx->bits_per_coded_sample == 1); |
293 |
3/4✓ Branch 0 taken 1909300 times.
✓ Branch 1 taken 200 times.
✓ Branch 2 taken 1909300 times.
✗ Branch 3 not taken.
|
1909500 | for (i = 0, j = 0; 8 * j + 7 < buf_size && i<avpkt->size; i++, j++) { |
294 | 1909300 | dst[8 * j + 0] = buf[i] >> 7; | |
295 | 1909300 | dst[8 * j + 1] = buf[i] >> 6 & 1; | |
296 | 1909300 | dst[8 * j + 2] = buf[i] >> 5 & 1; | |
297 | 1909300 | dst[8 * j + 3] = buf[i] >> 4 & 1; | |
298 | 1909300 | dst[8 * j + 4] = buf[i] >> 3 & 1; | |
299 | 1909300 | dst[8 * j + 5] = buf[i] >> 2 & 1; | |
300 | 1909300 | dst[8 * j + 6] = buf[i] >> 1 & 1; | |
301 | 1909300 | dst[8 * j + 7] = buf[i] & 1; | |
302 | 1909300 | row_pix += 8; | |
303 |
2/2✓ Branch 0 taken 44900 times.
✓ Branch 1 taken 1864400 times.
|
1909300 | if (row_pix >= avctx->width) { |
304 | 44900 | i += stride - (i % stride) - 1; | |
305 | 44900 | j += 2 - (j % 2) - 1; | |
306 | 44900 | row_pix = 0; | |
307 | } | ||
308 | } | ||
309 | } | ||
310 | 202 | linesize_align = 16; | |
311 | 202 | buf = dst; | |
312 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21590 times.
|
21590 | } else if (context->is_lt_16bpp) { |
313 | ✗ | uint8_t *dst = frame->buf[0]->data; | |
314 | ✗ | int packed = (avctx->codec_tag & 0xFFFFFF) == MKTAG('B','I','T', 0); | |
315 | ✗ | int swap = avctx->codec_tag >> 24; | |
316 | |||
317 | ✗ | if (packed && swap) { | |
318 | ✗ | av_fast_padded_malloc(&context->bitstream_buf, &context->bitstream_buf_size, buf_size); | |
319 | ✗ | if (!context->bitstream_buf) | |
320 | ✗ | return AVERROR(ENOMEM); | |
321 | ✗ | if (swap == 16) | |
322 | ✗ | context->bbdsp.bswap16_buf(context->bitstream_buf, (const uint16_t*)buf, buf_size / 2); | |
323 | ✗ | else if (swap == 32) | |
324 | ✗ | context->bbdsp.bswap_buf(context->bitstream_buf, (const uint32_t*)buf, buf_size / 4); | |
325 | else | ||
326 | ✗ | return AVERROR_INVALIDDATA; | |
327 | ✗ | buf = context->bitstream_buf; | |
328 | } | ||
329 | |||
330 | ✗ | if (desc->flags & AV_PIX_FMT_FLAG_BE) | |
331 | ✗ | scale16be(avctx, dst, buf, buf_size, packed); | |
332 | else | ||
333 | ✗ | scale16le(avctx, dst, buf, buf_size, packed); | |
334 | |||
335 | ✗ | buf = dst; | |
336 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21590 times.
|
21590 | } else if (need_copy) { |
337 | ✗ | memcpy(frame->buf[0]->data, buf, buf_size); | |
338 | ✗ | buf = frame->buf[0]->data; | |
339 | } | ||
340 | |||
341 |
1/2✓ Branch 0 taken 21792 times.
✗ Branch 1 not taken.
|
21792 | if (avctx->codec_tag == MKTAG('A', 'V', '1', 'x') || |
342 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | avctx->codec_tag == MKTAG('A', 'V', 'u', 'p')) |
343 | ✗ | buf += buf_size - context->frame_size; | |
344 | |||
345 |
2/2✓ Branch 0 taken 200 times.
✓ Branch 1 taken 21592 times.
|
21792 | len = context->frame_size - (avctx->pix_fmt==AV_PIX_FMT_PAL8 ? AVPALETTE_SIZE : 0); |
346 |
1/6✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
|
21792 | if (buf_size < len && ((avctx->codec_tag & 0xFFFFFF) != MKTAG('B','I','T', 0) || !need_copy)) { |
347 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid buffer size, packet size %d < expected frame_size %d\n", buf_size, len); | |
348 | ✗ | av_buffer_unref(&frame->buf[0]); | |
349 | ✗ | return AVERROR(EINVAL); | |
350 | } | ||
351 | |||
352 |
1/2✗ Branch 1 not taken.
✓ Branch 2 taken 21792 times.
|
21792 | if ((res = av_image_fill_arrays(frame->data, frame->linesize, |
353 | buf, avctx->pix_fmt, | ||
354 | avctx->width, avctx->height, 1)) < 0) { | ||
355 | ✗ | av_buffer_unref(&frame->buf[0]); | |
356 | ✗ | return res; | |
357 | } | ||
358 | |||
359 |
2/2✓ Branch 0 taken 200 times.
✓ Branch 1 taken 21592 times.
|
21792 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
360 | int ret; | ||
361 | |||
362 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
|
200 | if (!context->palette) |
363 | ✗ | context->palette = av_buffer_alloc(AVPALETTE_SIZE); | |
364 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
|
200 | if (!context->palette) { |
365 | ✗ | av_buffer_unref(&frame->buf[0]); | |
366 | ✗ | return AVERROR(ENOMEM); | |
367 | } | ||
368 | 200 | ret = av_buffer_make_writable(&context->palette); | |
369 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
|
200 | if (ret < 0) { |
370 | ✗ | av_buffer_unref(&frame->buf[0]); | |
371 | ✗ | return ret; | |
372 | } | ||
373 | |||
374 |
2/2✓ Branch 1 taken 4 times.
✓ Branch 2 taken 196 times.
|
200 | if (ff_copy_palette(context->palette->data, avpkt, avctx)) { |
375 | 4 | frame->palette_has_changed = 1; | |
376 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 196 times.
|
196 | } else if (context->is_nut_pal8) { |
377 | ✗ | int vid_size = avctx->width * avctx->height; | |
378 | ✗ | int pal_size = avpkt->size - vid_size; | |
379 | |||
380 | ✗ | if (avpkt->size > vid_size && pal_size <= AVPALETTE_SIZE) { | |
381 | ✗ | const uint8_t *pal = avpkt->data + vid_size; | |
382 | ✗ | memcpy(context->palette->data, pal, pal_size); | |
383 | ✗ | frame->palette_has_changed = 1; | |
384 | } | ||
385 | } | ||
386 | } | ||
387 | |||
388 |
2/2✓ Branch 0 taken 21727 times.
✓ Branch 1 taken 65 times.
|
21792 | if ((avctx->pix_fmt==AV_PIX_FMT_RGB24 || |
389 |
2/2✓ Branch 0 taken 21325 times.
✓ Branch 1 taken 402 times.
|
21727 | avctx->pix_fmt==AV_PIX_FMT_BGR24 || |
390 |
2/2✓ Branch 0 taken 21324 times.
✓ Branch 1 taken 1 times.
|
21325 | avctx->pix_fmt==AV_PIX_FMT_GRAY8 || |
391 |
2/2✓ Branch 0 taken 20923 times.
✓ Branch 1 taken 401 times.
|
21324 | avctx->pix_fmt==AV_PIX_FMT_RGB555LE || |
392 |
1/2✓ Branch 0 taken 20923 times.
✗ Branch 1 not taken.
|
20923 | avctx->pix_fmt==AV_PIX_FMT_RGB555BE || |
393 |
2/2✓ Branch 0 taken 20722 times.
✓ Branch 1 taken 201 times.
|
20923 | avctx->pix_fmt==AV_PIX_FMT_RGB565LE || |
394 |
2/2✓ Branch 0 taken 20721 times.
✓ Branch 1 taken 1 times.
|
20722 | avctx->pix_fmt==AV_PIX_FMT_MONOWHITE || |
395 |
2/2✓ Branch 0 taken 20720 times.
✓ Branch 1 taken 1 times.
|
20721 | avctx->pix_fmt==AV_PIX_FMT_MONOBLACK || |
396 |
2/2✓ Branch 0 taken 200 times.
✓ Branch 1 taken 20520 times.
|
20720 | avctx->pix_fmt==AV_PIX_FMT_PAL8) && |
397 |
2/2✓ Branch 0 taken 1222 times.
✓ Branch 1 taken 50 times.
|
1272 | FFALIGN(frame->linesize[0], linesize_align) * avctx->height <= buf_size) |
398 | 1222 | frame->linesize[0] = FFALIGN(frame->linesize[0], linesize_align); | |
399 | |||
400 |
1/4✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
|
21792 | if (avctx->pix_fmt == AV_PIX_FMT_NV12 && avctx->codec_tag == MKTAG('N', 'V', '1', '2') && |
401 | ✗ | FFALIGN(frame->linesize[0], linesize_align) * avctx->height + | |
402 | ✗ | FFALIGN(frame->linesize[1], linesize_align) * ((avctx->height + 1) / 2) <= buf_size) { | |
403 | ✗ | int la0 = FFALIGN(frame->linesize[0], linesize_align); | |
404 | ✗ | frame->data[1] += (la0 - frame->linesize[0]) * avctx->height; | |
405 | ✗ | frame->linesize[0] = la0; | |
406 | ✗ | frame->linesize[1] = FFALIGN(frame->linesize[1], linesize_align); | |
407 | } | ||
408 | |||
409 |
3/4✓ Branch 0 taken 200 times.
✓ Branch 1 taken 21592 times.
✓ Branch 2 taken 200 times.
✗ Branch 3 not taken.
|
21792 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && buf_size < context->frame_size) { |
410 | 200 | frame->buf[1] = av_buffer_ref(context->palette); | |
411 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
|
200 | if (!frame->buf[1]) { |
412 | ✗ | av_buffer_unref(&frame->buf[0]); | |
413 | ✗ | return AVERROR(ENOMEM); | |
414 | } | ||
415 | 200 | frame->data[1] = frame->buf[1]->data; | |
416 | } | ||
417 | |||
418 |
2/2✓ Branch 0 taken 402 times.
✓ Branch 1 taken 21390 times.
|
21792 | if (avctx->pix_fmt == AV_PIX_FMT_BGR24 && |
419 |
2/2✓ Branch 0 taken 352 times.
✓ Branch 1 taken 50 times.
|
402 | ((frame->linesize[0] + 3) & ~3) * avctx->height <= buf_size) |
420 | 352 | frame->linesize[0] = (frame->linesize[0] + 3) & ~3; | |
421 | |||
422 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (context->flip) |
423 | ✗ | flip(avctx, frame); | |
424 | |||
425 |
1/2✓ Branch 0 taken 21792 times.
✗ Branch 1 not taken.
|
21792 | if (avctx->codec_tag == MKTAG('Y', 'V', '1', '2') || |
426 |
1/2✓ Branch 0 taken 21792 times.
✗ Branch 1 not taken.
|
21792 | avctx->codec_tag == MKTAG('Y', 'V', '1', '6') || |
427 |
1/2✓ Branch 0 taken 21792 times.
✗ Branch 1 not taken.
|
21792 | avctx->codec_tag == MKTAG('Y', 'V', '2', '4') || |
428 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | avctx->codec_tag == MKTAG('Y', 'V', 'U', '9')) |
429 | ✗ | FFSWAP(uint8_t *, frame->data[1], frame->data[2]); | |
430 | |||
431 |
3/4✓ Branch 0 taken 20458 times.
✓ Branch 1 taken 1334 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 20458 times.
|
21792 | if (avctx->codec_tag == AV_RL32("I420") && (avctx->width+1)*(avctx->height+1) * 3/2 == buf_size) { |
432 | ✗ | frame->data[1] = frame->data[1] + (avctx->width+1)*(avctx->height+1) -avctx->width*avctx->height; | |
433 | ✗ | frame->data[2] = frame->data[2] + ((avctx->width+1)*(avctx->height+1) -avctx->width*avctx->height)*5/4; | |
434 | } | ||
435 | |||
436 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (avctx->codec_tag == AV_RL32("yuv2") && |
437 | ✗ | avctx->pix_fmt == AV_PIX_FMT_YUYV422) { | |
438 | int x, y; | ||
439 | ✗ | uint8_t *line = frame->data[0]; | |
440 | ✗ | for (y = 0; y < avctx->height; y++) { | |
441 | ✗ | for (x = 0; x < avctx->width; x++) | |
442 | ✗ | line[2 * x + 1] ^= 0x80; | |
443 | ✗ | line += frame->linesize[0]; | |
444 | } | ||
445 | } | ||
446 | |||
447 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (avctx->codec_tag == AV_RL32("b64a") && |
448 | ✗ | avctx->pix_fmt == AV_PIX_FMT_RGBA64BE) { | |
449 | ✗ | uint8_t *dst = frame->data[0]; | |
450 | uint64_t v; | ||
451 | int x, y; | ||
452 | ✗ | for (y = 0; y < avctx->height; y++) { | |
453 | ✗ | for (x = 0; x >> 3 < avctx->width; x += 8) { | |
454 | ✗ | v = AV_RB64(&dst[x]); | |
455 | ✗ | AV_WB64(&dst[x], v << 16 | v >> 48); | |
456 | } | ||
457 | ✗ | dst += frame->linesize[0]; | |
458 | } | ||
459 | } | ||
460 | |||
461 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 21792 times.
|
21792 | if (avctx->field_order > AV_FIELD_PROGRESSIVE) { /* we have interlaced material flagged in container */ |
462 | ✗ | frame->interlaced_frame = 1; | |
463 | ✗ | if (avctx->field_order == AV_FIELD_TT || avctx->field_order == AV_FIELD_TB) | |
464 | ✗ | frame->top_field_first = 1; | |
465 | } | ||
466 | |||
467 | 21792 | *got_frame = 1; | |
468 | 21792 | return buf_size; | |
469 | } | ||
470 | |||
471 | 1131 | static av_cold int raw_close_decoder(AVCodecContext *avctx) | |
472 | { | ||
473 | 1131 | RawVideoContext *context = avctx->priv_data; | |
474 | |||
475 | 1131 | av_buffer_unref(&context->palette); | |
476 | 1131 | av_freep(&context->bitstream_buf); | |
477 | 1131 | return 0; | |
478 | } | ||
479 | |||
480 | const FFCodec ff_rawvideo_decoder = { | ||
481 | .p.name = "rawvideo", | ||
482 | CODEC_LONG_NAME("raw video"), | ||
483 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
484 | .p.id = AV_CODEC_ID_RAWVIDEO, | ||
485 | .priv_data_size = sizeof(RawVideoContext), | ||
486 | .init = raw_init_decoder, | ||
487 | .close = raw_close_decoder, | ||
488 | FF_CODEC_DECODE_CB(raw_decode), | ||
489 | .p.priv_class = &rawdec_class, | ||
490 | .p.capabilities = AV_CODEC_CAP_PARAM_CHANGE, | ||
491 | }; | ||
492 |