FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/cfhd.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 475 1013 46.9%
Branches: 300 702 42.7%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2015-2016 Kieran Kunhya <kieran@kunhya.com>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /**
22 * @file
23 * Cineform HD video decoder
24 */
25
26 #include "libavutil/attributes.h"
27 #include "libavutil/buffer.h"
28 #include "libavutil/common.h"
29 #include "libavutil/imgutils.h"
30 #include "libavutil/intreadwrite.h"
31 #include "libavutil/opt.h"
32
33 #include "avcodec.h"
34 #include "bytestream.h"
35 #include "get_bits.h"
36 #include "internal.h"
37 #include "thread.h"
38 #include "cfhd.h"
39
40 #define ALPHA_COMPAND_DC_OFFSET 256
41 #define ALPHA_COMPAND_GAIN 9400
42
43 6 static av_cold int cfhd_init(AVCodecContext *avctx)
44 {
45 6 CFHDContext *s = avctx->priv_data;
46
47 6 s->avctx = avctx;
48
49
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390 for (int i = 0; i < 64; i++) {
50 384 int val = i;
51
52
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384 if (val >= 40) {
53
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144 if (val >= 54) {
54 60 val -= 54;
55 60 val <<= 2;
56 60 val += 54;
57 }
58
59 144 val -= 40;
60 144 val <<= 2;
61 144 val += 40;
62 }
63
64 384 s->lut[0][i] = val;
65 }
66
67
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1542 for (int i = 0; i < 256; i++)
68 1536 s->lut[1][i] = i + ((768LL * i * i * i) / (256 * 256 * 256));
69
70 6 return ff_cfhd_init_vlcs(s);
71 }
72
73 99 static void init_plane_defaults(CFHDContext *s)
74 {
75 99 s->subband_num = 0;
76 99 s->level = 0;
77 99 s->subband_num_actual = 0;
78 99 }
79
80 33 static void init_peak_table_defaults(CFHDContext *s)
81 {
82 33 s->peak.level = 0;
83 33 s->peak.offset = 0;
84 33 memset(&s->peak.base, 0, sizeof(s->peak.base));
85 33 }
86
87 33 static void init_frame_defaults(CFHDContext *s)
88 {
89 33 s->coded_width = 0;
90 33 s->coded_height = 0;
91 33 s->coded_format = AV_PIX_FMT_YUV422P10;
92 33 s->cropped_height = 0;
93 33 s->bpc = 10;
94 33 s->channel_cnt = 3;
95 33 s->subband_cnt = SUBBAND_COUNT;
96 33 s->channel_num = 0;
97 33 s->lowpass_precision = 16;
98 33 s->quantisation = 1;
99 33 s->codebook = 0;
100 33 s->difference_coding = 0;
101 33 s->frame_type = 0;
102 33 s->sample_type = 0;
103
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33 if (s->transform_type != 2)
104 33 s->transform_type = -1;
105 33 init_plane_defaults(s);
106 33 init_peak_table_defaults(s);
107 33 }
108
109 3522977 static inline int dequant_and_decompand(CFHDContext *s, int level, int quantisation, int codebook)
110 {
111
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3522977 if (codebook == 0 || codebook == 1) {
112
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3522977 return s->lut[codebook][abs(level)] * FFSIGN(level) * quantisation;
113 } else
114 return level * quantisation;
115 }
116
117 static inline void difference_coding(int16_t *band, int width, int height)
118 {
119
120 int i,j;
121 for (i = 0; i < height; i++) {
122 for (j = 1; j < width; j++) {
123 band[j] += band[j-1];
124 }
125 band += width;
126 }
127 }
128
129 static inline void peak_table(int16_t *band, Peak *peak, int length)
130 {
131 int i;
132 for (i = 0; i < length; i++)
133 if (abs(band[i]) > peak->level)
134 band[i] = bytestream2_get_le16(&peak->base);
135 }
136
137 static inline void process_alpha(int16_t *alpha, int width)
138 {
139 int i, channel;
140 for (i = 0; i < width; i++) {
141 channel = alpha[i];
142 channel -= ALPHA_COMPAND_DC_OFFSET;
143 channel <<= 3;
144 channel *= ALPHA_COMPAND_GAIN;
145 channel >>= 16;
146 channel = av_clip_uintp2(channel, 12);
147 alpha[i] = channel;
148 }
149 }
150
151 static inline void process_bayer(AVFrame *frame, int bpc)
152 {
153 const int linesize = frame->linesize[0];
154 uint16_t *r = (uint16_t *)frame->data[0];
155 uint16_t *g1 = (uint16_t *)(frame->data[0] + 2);
156 uint16_t *g2 = (uint16_t *)(frame->data[0] + frame->linesize[0]);
157 uint16_t *b = (uint16_t *)(frame->data[0] + frame->linesize[0] + 2);
158 const int mid = 1 << (bpc - 1);
159 const int factor = 1 << (16 - bpc);
160
161 for (int y = 0; y < frame->height >> 1; y++) {
162 for (int x = 0; x < frame->width; x += 2) {
163 int R, G1, G2, B;
164 int g, rg, bg, gd;
165
166 g = r[x];
167 rg = g1[x];
168 bg = g2[x];
169 gd = b[x];
170 gd -= mid;
171
172 R = (rg - mid) * 2 + g;
173 G1 = g + gd;
174 G2 = g - gd;
175 B = (bg - mid) * 2 + g;
176
177 R = av_clip_uintp2(R * factor, 16);
178 G1 = av_clip_uintp2(G1 * factor, 16);
179 G2 = av_clip_uintp2(G2 * factor, 16);
180 B = av_clip_uintp2(B * factor, 16);
181
182 r[x] = R;
183 g1[x] = G1;
184 g2[x] = G2;
185 b[x] = B;
186 }
187
188 r += linesize;
189 g1 += linesize;
190 g2 += linesize;
191 b += linesize;
192 }
193 }
194
195 static inline void interlaced_vertical_filter(int16_t *output, int16_t *low, int16_t *high,
196 int width, int linesize, int plane)
197 {
198 int i;
199 int16_t even, odd;
200 for (i = 0; i < width; i++) {
201 even = (low[i] - high[i])/2;
202 odd = (low[i] + high[i])/2;
203 output[i] = av_clip_uintp2(even, 10);
204 output[i + linesize] = av_clip_uintp2(odd, 10);
205 }
206 }
207
208 static inline void inverse_temporal_filter(int16_t *low, int16_t *high, int width)
209 {
210 for (int i = 0; i < width; i++) {
211 int even = (low[i] - high[i]) / 2;
212 int odd = (low[i] + high[i]) / 2;
213
214 low[i] = even;
215 high[i] = odd;
216 }
217 }
218
219 12 static void free_buffers(CFHDContext *s)
220 {
221 int i, j;
222
223
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60 for (i = 0; i < FF_ARRAY_ELEMS(s->plane); i++) {
224 48 Plane *p = &s->plane[i];
225 48 av_freep(&s->plane[i].idwt_buf);
226 48 av_freep(&s->plane[i].idwt_tmp);
227 48 s->plane[i].idwt_size = 0;
228
229
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864 for (j = 0; j < SUBBAND_COUNT_3D; j++)
230 816 s->plane[i].subband[j] = NULL;
231
232
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528 for (j = 0; j < 10; j++)
233 480 s->plane[i].l_h[j] = NULL;
234
235
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336 for (j = 0; j < DWT_LEVELS_3D; j++)
236 288 p->band[j][0].read_ok =
237 288 p->band[j][1].read_ok =
238 288 p->band[j][2].read_ok =
239 288 p->band[j][3].read_ok = 0;
240 }
241 12 s->a_height = 0;
242 12 s->a_width = 0;
243 12 s->a_transform_type = INT_MIN;
244 12 }
245
246 6 static int alloc_buffers(AVCodecContext *avctx)
247 {
248 6 CFHDContext *s = avctx->priv_data;
249 6 int i, j, ret, planes, bayer = 0;
250 int chroma_x_shift, chroma_y_shift;
251 unsigned k;
252
253
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6 if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0)
254 return ret;
255 6 avctx->pix_fmt = s->coded_format;
256
257 6 ff_cfhddsp_init(&s->dsp, s->bpc, avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
258
259
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6 if ((ret = av_pix_fmt_get_chroma_sub_sample(s->coded_format,
260 &chroma_x_shift,
261 &chroma_y_shift)) < 0)
262 return ret;
263 6 planes = av_pix_fmt_count_planes(s->coded_format);
264
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6 if (s->coded_format == AV_PIX_FMT_BAYER_RGGB16) {
265 planes = 4;
266 chroma_x_shift = 1;
267 chroma_y_shift = 1;
268 bayer = 1;
269 }
270
271
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24 for (i = 0; i < planes; i++) {
272 int w8, h8, w4, h4, w2, h2;
273
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18 int width = (i || bayer) ? s->coded_width >> chroma_x_shift : s->coded_width;
274
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18 int height = (i || bayer) ? s->coded_height >> chroma_y_shift : s->coded_height;
275 18 ptrdiff_t stride = (FFALIGN(width / 8, 8) + 64) * 8;
276
277
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18 if (chroma_y_shift && !bayer)
278 height = FFALIGN(height / 8, 2) * 8;
279 18 s->plane[i].width = width;
280 18 s->plane[i].height = height;
281 18 s->plane[i].stride = stride;
282
283 18 w8 = FFALIGN(s->plane[i].width / 8, 8) + 64;
284 18 h8 = FFALIGN(height, 8) / 8;
285 18 w4 = w8 * 2;
286 18 h4 = h8 * 2;
287 18 w2 = w4 * 2;
288 18 h2 = h4 * 2;
289
290
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18 if (s->transform_type == 0) {
291 18 s->plane[i].idwt_size = FFALIGN(height, 8) * stride;
292 18 s->plane[i].idwt_buf =
293 18 av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
294 18 s->plane[i].idwt_tmp =
295 18 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
296 } else {
297 s->plane[i].idwt_size = FFALIGN(height, 8) * stride * 2;
298 s->plane[i].idwt_buf =
299 av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
300 s->plane[i].idwt_tmp =
301 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
302 }
303
304
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18 if (!s->plane[i].idwt_buf || !s->plane[i].idwt_tmp)
305 return AVERROR(ENOMEM);
306
307 18 s->plane[i].subband[0] = s->plane[i].idwt_buf;
308 18 s->plane[i].subband[1] = s->plane[i].idwt_buf + 2 * w8 * h8;
309 18 s->plane[i].subband[2] = s->plane[i].idwt_buf + 1 * w8 * h8;
310 18 s->plane[i].subband[3] = s->plane[i].idwt_buf + 3 * w8 * h8;
311 18 s->plane[i].subband[4] = s->plane[i].idwt_buf + 2 * w4 * h4;
312 18 s->plane[i].subband[5] = s->plane[i].idwt_buf + 1 * w4 * h4;
313 18 s->plane[i].subband[6] = s->plane[i].idwt_buf + 3 * w4 * h4;
314
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18 if (s->transform_type == 0) {
315 18 s->plane[i].subband[7] = s->plane[i].idwt_buf + 2 * w2 * h2;
316 18 s->plane[i].subband[8] = s->plane[i].idwt_buf + 1 * w2 * h2;
317 18 s->plane[i].subband[9] = s->plane[i].idwt_buf + 3 * w2 * h2;
318 } else {
319 int16_t *frame2 =
320 s->plane[i].subband[7] = s->plane[i].idwt_buf + 4 * w2 * h2;
321 s->plane[i].subband[8] = frame2 + 2 * w4 * h4;
322 s->plane[i].subband[9] = frame2 + 1 * w4 * h4;
323 s->plane[i].subband[10] = frame2 + 3 * w4 * h4;
324 s->plane[i].subband[11] = frame2 + 2 * w2 * h2;
325 s->plane[i].subband[12] = frame2 + 1 * w2 * h2;
326 s->plane[i].subband[13] = frame2 + 3 * w2 * h2;
327 s->plane[i].subband[14] = s->plane[i].idwt_buf + 2 * w2 * h2;
328 s->plane[i].subband[15] = s->plane[i].idwt_buf + 1 * w2 * h2;
329 s->plane[i].subband[16] = s->plane[i].idwt_buf + 3 * w2 * h2;
330 }
331
332
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18 if (s->transform_type == 0) {
333
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72 for (j = 0; j < DWT_LEVELS; j++) {
334
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270 for (k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
335 216 s->plane[i].band[j][k].a_width = w8 << j;
336 216 s->plane[i].band[j][k].a_height = h8 << j;
337 }
338 }
339 } else {
340 for (j = 0; j < DWT_LEVELS_3D; j++) {
341 int t = j < 1 ? 0 : (j < 3 ? 1 : 2);
342
343 for (k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
344 s->plane[i].band[j][k].a_width = w8 << t;
345 s->plane[i].band[j][k].a_height = h8 << t;
346 }
347 }
348 }
349
350 /* ll2 and ll1 commented out because they are done in-place */
351 18 s->plane[i].l_h[0] = s->plane[i].idwt_tmp;
352 18 s->plane[i].l_h[1] = s->plane[i].idwt_tmp + 2 * w8 * h8;
353 // s->plane[i].l_h[2] = ll2;
354 18 s->plane[i].l_h[3] = s->plane[i].idwt_tmp;
355 18 s->plane[i].l_h[4] = s->plane[i].idwt_tmp + 2 * w4 * h4;
356 // s->plane[i].l_h[5] = ll1;
357 18 s->plane[i].l_h[6] = s->plane[i].idwt_tmp;
358 18 s->plane[i].l_h[7] = s->plane[i].idwt_tmp + 2 * w2 * h2;
359
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18 if (s->transform_type != 0) {
360 int16_t *frame2 = s->plane[i].idwt_tmp + 4 * w2 * h2;
361
362 s->plane[i].l_h[8] = frame2;
363 s->plane[i].l_h[9] = frame2 + 2 * w2 * h2;
364 }
365 }
366
367 6 s->a_transform_type = s->transform_type;
368 6 s->a_height = s->coded_height;
369 6 s->a_width = s->coded_width;
370 6 s->a_format = s->coded_format;
371
372 6 return 0;
373 }
374
375 33 static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
376 AVPacket *avpkt)
377 {
378 33 CFHDContext *s = avctx->priv_data;
379 33 CFHDDSPContext *dsp = &s->dsp;
380 GetByteContext gb;
381 33 ThreadFrame frame = { .f = data };
382 33 AVFrame *pic = data;
383 33 int ret = 0, i, j, plane, got_buffer = 0;
384 int16_t *coeff_data;
385
386 33 init_frame_defaults(s);
387 33 s->planes = av_pix_fmt_count_planes(s->coded_format);
388
389 33 bytestream2_init(&gb, avpkt->data, avpkt->size);
390
391
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17226 while (bytestream2_get_bytes_left(&gb) >= 4) {
392 /* Bit weird but implement the tag parsing as the spec says */
393 17193 uint16_t tagu = bytestream2_get_be16(&gb);
394 17193 int16_t tag = (int16_t)tagu;
395 17193 int8_t tag8 = (int8_t)(tagu >> 8);
396 17193 uint16_t abstag = abs(tag);
397 17193 int8_t abs_tag8 = abs(tag8);
398 17193 uint16_t data = bytestream2_get_be16(&gb);
399
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17193 if (abs_tag8 >= 0x60 && abs_tag8 <= 0x6f) {
400 av_log(avctx, AV_LOG_DEBUG, "large len %x\n", ((tagu & 0xff) << 16) | data);
401
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17193 } else if (tag == SampleFlags) {
402 33 av_log(avctx, AV_LOG_DEBUG, "Progressive? %"PRIu16"\n", data);
403 33 s->progressive = data & 0x0001;
404
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17160 } else if (tag == FrameType) {
405 s->frame_type = data;
406 av_log(avctx, AV_LOG_DEBUG, "Frame type %"PRIu16"\n", data);
407
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17160 } else if (abstag == VersionMajor) {
408 av_log(avctx, AV_LOG_DEBUG, "Version major %"PRIu16"\n", data);
409
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17160 } else if (abstag == VersionMinor) {
410 av_log(avctx, AV_LOG_DEBUG, "Version minor %"PRIu16"\n", data);
411
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17160 } else if (abstag == VersionRevision) {
412 av_log(avctx, AV_LOG_DEBUG, "Version revision %"PRIu16"\n", data);
413
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17160 } else if (abstag == VersionEdit) {
414 av_log(avctx, AV_LOG_DEBUG, "Version edit %"PRIu16"\n", data);
415
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17160 } else if (abstag == Version) {
416 33 av_log(avctx, AV_LOG_DEBUG, "Version %"PRIu16"\n", data);
417
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17127 } else if (tag == ImageWidth) {
418 33 av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data);
419 33 s->coded_width = data;
420
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17094 } else if (tag == ImageHeight) {
421 33 av_log(avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data);
422 33 s->coded_height = data;
423
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17061 } else if (tag == ChannelCount) {
424 33 av_log(avctx, AV_LOG_DEBUG, "Channel Count: %"PRIu16"\n", data);
425 33 s->channel_cnt = data;
426
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33 if (data > 4) {
427 av_log(avctx, AV_LOG_ERROR, "Channel Count of %"PRIu16" is unsupported\n", data);
428 ret = AVERROR_PATCHWELCOME;
429 goto end;
430 }
431
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17028 } else if (tag == SubbandCount) {
432 33 av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data);
433
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33 if (data != SUBBAND_COUNT && data != SUBBAND_COUNT_3D) {
434 av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data);
435 ret = AVERROR_PATCHWELCOME;
436 goto end;
437 }
438
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16995 } else if (tag == ChannelNumber) {
439 66 s->channel_num = data;
440 66 av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data);
441
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66 if (s->channel_num >= s->planes) {
442 av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n");
443 ret = AVERROR(EINVAL);
444 goto end;
445 }
446 66 init_plane_defaults(s);
447
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16929 } else if (tag == SubbandNumber) {
448
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891 if (s->subband_num != 0 && data == 1 && (s->transform_type == 0 || s->transform_type == 2)) // hack
449 198 s->level++;
450 891 av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data);
451 891 s->subband_num = data;
452
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891 if ((s->transform_type == 0 && s->level >= DWT_LEVELS) ||
453
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891 (s->transform_type == 2 && s->level >= DWT_LEVELS_3D)) {
454 av_log(avctx, AV_LOG_ERROR, "Invalid level\n");
455 ret = AVERROR(EINVAL);
456 goto end;
457 }
458
1/2
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891 if (s->subband_num > 3) {
459 av_log(avctx, AV_LOG_ERROR, "Invalid subband number\n");
460 ret = AVERROR(EINVAL);
461 goto end;
462 }
463
2/2
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✓ Branch 1 taken 15147 times.
16038 } else if (tag == SubbandBand) {
464 891 av_log(avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data);
465
2/4
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891 if ((s->transform_type == 0 && data >= SUBBAND_COUNT) ||
466
1/6
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891 (s->transform_type == 2 && data >= SUBBAND_COUNT_3D && data != 255)) {
467 av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n");
468 ret = AVERROR(EINVAL);
469 goto end;
470 }
471
1/4
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✗ Branch 2 not taken.
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891 if (s->transform_type == 0 || s->transform_type == 2)
472 891 s->subband_num_actual = data;
473 else
474 av_log(avctx, AV_LOG_WARNING, "Ignoring subband num actual %"PRIu16"\n", data);
475
2/2
✓ Branch 0 taken 99 times.
✓ Branch 1 taken 15048 times.
15147 } else if (tag == LowpassPrecision)
476 99 av_log(avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data);
477
2/2
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✓ Branch 1 taken 14157 times.
15048 else if (tag == Quantization) {
478 891 s->quantisation = data;
479 891 av_log(avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data);
480
2/2
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14157 } else if (tag == PrescaleTable) {
481
2/2
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✓ Branch 1 taken 11 times.
99 for (i = 0; i < 8; i++)
482 88 s->prescale_table[i] = (data >> (14 - i * 2)) & 0x3;
483 11 av_log(avctx, AV_LOG_DEBUG, "Prescale table: %x\n", data);
484
2/2
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14146 } else if (tag == BandEncoding) {
485
2/4
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✓ Branch 3 taken 891 times.
891 if (!data || data > 5) {
486 av_log(avctx, AV_LOG_ERROR, "Invalid band encoding\n");
487 ret = AVERROR(EINVAL);
488 goto end;
489 }
490 891 s->band_encoding = data;
491 891 av_log(avctx, AV_LOG_DEBUG, "Encode Method for Subband %d : %x\n", s->subband_num_actual, data);
492
2/2
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13255 } else if (tag == LowpassWidth) {
493 99 av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data);
494 99 s->plane[s->channel_num].band[0][0].width = data;
495 99 s->plane[s->channel_num].band[0][0].stride = data;
496
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13156 } else if (tag == LowpassHeight) {
497 99 av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
498 99 s->plane[s->channel_num].band[0][0].height = data;
499
2/2
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13057 } else if (tag == SampleType) {
500 99 s->sample_type = data;
501 99 av_log(avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data);
502
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12958 } else if (tag == TransformType) {
503
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33 if (data > 2) {
504 av_log(avctx, AV_LOG_ERROR, "Invalid transform type\n");
505 ret = AVERROR(EINVAL);
506 goto end;
507
1/2
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✓ Branch 1 taken 33 times.
33 } else if (data == 1) {
508 av_log(avctx, AV_LOG_ERROR, "unsupported transform type\n");
509 ret = AVERROR_PATCHWELCOME;
510 goto end;
511 }
512
1/2
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✗ Branch 1 not taken.
33 if (s->transform_type == -1) {
513 33 s->transform_type = data;
514 33 av_log(avctx, AV_LOG_DEBUG, "Transform type %"PRIu16"\n", data);
515 } else {
516 av_log(avctx, AV_LOG_DEBUG, "Ignoring additional transform type %"PRIu16"\n", data);
517 }
518
3/4
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12925 } else if (abstag >= 0x4000 && abstag <= 0x40ff) {
519
1/2
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66 if (abstag == 0x4001)
520 s->peak.level = 0;
521
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66 av_log(avctx, AV_LOG_DEBUG, "Small chunk length %d %s\n", data * 4, tag < 0 ? "optional" : "required");
522 66 bytestream2_skipu(&gb, data * 4);
523
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12859 } else if (tag == FrameIndex) {
524 av_log(avctx, AV_LOG_DEBUG, "Frame index %"PRIu16"\n", data);
525 s->frame_index = data;
526
2/2
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12859 } else if (tag == SampleIndexTable) {
527 33 av_log(avctx, AV_LOG_DEBUG, "Sample index table - skipping %i values\n", data);
528
1/2
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✓ Branch 2 taken 33 times.
33 if (data > bytestream2_get_bytes_left(&gb) / 4) {
529 av_log(avctx, AV_LOG_ERROR, "too many values (%d)\n", data);
530 ret = AVERROR_INVALIDDATA;
531 goto end;
532 }
533
2/2
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132 for (i = 0; i < data; i++) {
534 99 uint32_t offset = bytestream2_get_be32(&gb);
535 99 av_log(avctx, AV_LOG_DEBUG, "Offset = %"PRIu32"\n", offset);
536 }
537
2/2
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12826 } else if (tag == HighpassWidth) {
538 297 av_log(avctx, AV_LOG_DEBUG, "Highpass width %i channel %i level %i subband %i\n", data, s->channel_num, s->level, s->subband_num);
539
1/2
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297 if (data < 3) {
540 av_log(avctx, AV_LOG_ERROR, "Invalid highpass width\n");
541 ret = AVERROR(EINVAL);
542 goto end;
543 }
544 297 s->plane[s->channel_num].band[s->level][s->subband_num].width = data;
545 297 s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
546
2/2
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✓ Branch 1 taken 12232 times.
12529 } else if (tag == HighpassHeight) {
547 297 av_log(avctx, AV_LOG_DEBUG, "Highpass height %i\n", data);
548
1/2
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✓ Branch 1 taken 297 times.
297 if (data < 3) {
549 av_log(avctx, AV_LOG_ERROR, "Invalid highpass height\n");
550 ret = AVERROR(EINVAL);
551 goto end;
552 }
553 297 s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
554
2/2
✓ Branch 0 taken 891 times.
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12232 } else if (tag == BandWidth) {
555 891 av_log(avctx, AV_LOG_DEBUG, "Highpass width2 %i\n", data);
556
1/2
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✓ Branch 1 taken 891 times.
891 if (data < 3) {
557 av_log(avctx, AV_LOG_ERROR, "Invalid highpass width2\n");
558 ret = AVERROR(EINVAL);
559 goto end;
560 }
561 891 s->plane[s->channel_num].band[s->level][s->subband_num].width = data;
562 891 s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
563
2/2
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11341 } else if (tag == BandHeight) {
564 891 av_log(avctx, AV_LOG_DEBUG, "Highpass height2 %i\n", data);
565
1/2
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891 if (data < 3) {
566 av_log(avctx, AV_LOG_ERROR, "Invalid highpass height2\n");
567 ret = AVERROR(EINVAL);
568 goto end;
569 }
570 891 s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
571
1/2
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10450 } else if (tag == InputFormat) {
572 av_log(avctx, AV_LOG_DEBUG, "Input format %i\n", data);
573 if (s->coded_format == AV_PIX_FMT_NONE ||
574 s->coded_format == AV_PIX_FMT_YUV422P10) {
575 if (data >= 100 && data <= 105) {
576 s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
577 } else if (data >= 122 && data <= 128) {
578 s->coded_format = AV_PIX_FMT_GBRP12;
579 } else if (data == 30) {
580 s->coded_format = AV_PIX_FMT_GBRAP12;
581 } else {
582 s->coded_format = AV_PIX_FMT_YUV422P10;
583 }
584 s->planes = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 4 : av_pix_fmt_count_planes(s->coded_format);
585 }
586
2/2
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10450 } else if (tag == BandCodingFlags) {
587 891 s->codebook = data & 0xf;
588 891 s->difference_coding = (data >> 4) & 1;
589 891 av_log(avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook);
590
2/2
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9559 } else if (tag == Precision) {
591 33 av_log(avctx, AV_LOG_DEBUG, "Precision %i\n", data);
592
3/4
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✓ Branch 3 taken 11 times.
33 if (!(data == 10 || data == 12)) {
593 av_log(avctx, AV_LOG_ERROR, "Invalid bits per channel\n");
594 ret = AVERROR(EINVAL);
595 goto end;
596 }
597 33 avctx->bits_per_raw_sample = s->bpc = data;
598
2/2
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9526 } else if (tag == EncodedFormat) {
599 33 av_log(avctx, AV_LOG_DEBUG, "Sample format? %i\n", data);
600
2/2
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33 if (data == 1) {
601 22 s->coded_format = AV_PIX_FMT_YUV422P10;
602
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11 } else if (data == 2) {
603 s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
604
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11 } else if (data == 3) {
605 11 s->coded_format = AV_PIX_FMT_GBRP12;
606 } else if (data == 4) {
607 s->coded_format = AV_PIX_FMT_GBRAP12;
608 } else {
609 avpriv_report_missing_feature(avctx, "Sample format of %"PRIu16, data);
610 ret = AVERROR_PATCHWELCOME;
611 goto end;
612 }
613
1/2
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33 s->planes = data == 2 ? 4 : av_pix_fmt_count_planes(s->coded_format);
614
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9493 } else if (tag == -DisplayHeight) {
615 33 av_log(avctx, AV_LOG_DEBUG, "Cropped height %"PRIu16"\n", data);
616 33 s->cropped_height = data;
617
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9460 } else if (tag == -PeakOffsetLow) {
618 s->peak.offset &= ~0xffff;
619 s->peak.offset |= (data & 0xffff);
620 s->peak.base = gb;
621 s->peak.level = 0;
622
1/2
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9460 } else if (tag == -PeakOffsetHigh) {
623 s->peak.offset &= 0xffff;
624 s->peak.offset |= (data & 0xffffU)<<16;
625 s->peak.base = gb;
626 s->peak.level = 0;
627
1/4
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9460 } else if (tag == -PeakLevel && s->peak.offset) {
628 s->peak.level = data;
629 if (s->peak.offset < 4 - bytestream2_tell(&s->peak.base) ||
630 s->peak.offset > 4 + bytestream2_get_bytes_left(&s->peak.base)
631 ) {
632 ret = AVERROR_INVALIDDATA;
633 goto end;
634 }
635 bytestream2_seek(&s->peak.base, s->peak.offset - 4, SEEK_CUR);
636 } else
637 9460 av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data);
638
639
4/4
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✓ Branch 2 taken 99 times.
✓ Branch 3 taken 1683 times.
17193 if (tag == BitstreamMarker && data == 0xf0f &&
640
2/2
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99 s->coded_format != AV_PIX_FMT_NONE) {
641 33 int lowpass_height = s->plane[s->channel_num].band[0][0].height;
642 33 int lowpass_width = s->plane[s->channel_num].band[0][0].width;
643
1/2
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33 int factor = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 2 : 1;
644
645
1/2
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✗ Branch 1 not taken.
33 if (s->coded_width) {
646 33 s->coded_width *= factor;
647 }
648
649
1/2
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33 if (s->coded_height) {
650 33 s->coded_height *= factor;
651 }
652
653
3/4
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✓ Branch 3 taken 6 times.
33 if (!s->a_width && !s->coded_width) {
654 s->coded_width = lowpass_width * factor * 8;
655 }
656
657
3/4
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33 if (!s->a_height && !s->coded_height) {
658 s->coded_height = lowpass_height * factor * 8;
659 }
660
661
3/4
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33 if (s->a_width && !s->coded_width)
662 s->coded_width = s->a_width;
663
3/4
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33 if (s->a_height && !s->coded_height)
664 s->coded_height = s->a_height;
665
666
3/4
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✓ Branch 2 taken 27 times.
✗ Branch 3 not taken.
33 if (s->a_width != s->coded_width || s->a_height != s->coded_height ||
667
1/2
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✗ Branch 1 not taken.
27 s->a_format != s->coded_format ||
668
1/2
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27 s->transform_type != s->a_transform_type) {
669 6 free_buffers(s);
670
1/2
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✓ Branch 2 taken 6 times.
6 if ((ret = alloc_buffers(avctx)) < 0) {
671 free_buffers(s);
672 return ret;
673 }
674 }
675 33 ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height);
676
1/2
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✓ Branch 1 taken 33 times.
33 if (ret < 0)
677 return ret;
678
1/2
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✗ Branch 1 not taken.
33 if (s->cropped_height) {
679 33 unsigned height = s->cropped_height << (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
680
1/2
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✓ Branch 1 taken 33 times.
33 if (avctx->height < height)
681 return AVERROR_INVALIDDATA;
682 33 avctx->height = height;
683 }
684 33 frame.f->width =
685 33 frame.f->height = 0;
686
687
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 33 times.
33 if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
688 return ret;
689
690 33 s->coded_width = 0;
691 33 s->coded_height = 0;
692 33 s->coded_format = AV_PIX_FMT_NONE;
693 33 got_buffer = 1;
694
1/8
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17160 } else if (tag == FrameIndex && data == 1 && s->sample_type == 1 && s->frame_type == 2) {
695 frame.f->width =
696 frame.f->height = 0;
697
698 if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
699 return ret;
700 s->coded_width = 0;
701 s->coded_height = 0;
702 s->coded_format = AV_PIX_FMT_NONE;
703 got_buffer = 1;
704 }
705
706
1/2
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✓ Branch 1 taken 17193 times.
17193 if (s->subband_num_actual == 255)
707 goto finish;
708 17193 coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual];
709
710 /* Lowpass coefficients */
711
4/4
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✓ Branch 1 taken 15411 times.
✓ Branch 2 taken 99 times.
✓ Branch 3 taken 1683 times.
17193 if (tag == BitstreamMarker && data == 0xf0f) {
712 int lowpass_height, lowpass_width, lowpass_a_height, lowpass_a_width;
713
714
2/4
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✓ Branch 3 taken 99 times.
99 if (!s->a_width || !s->a_height) {
715 ret = AVERROR_INVALIDDATA;
716 goto end;
717 }
718
719 99 lowpass_height = s->plane[s->channel_num].band[0][0].height;
720 99 lowpass_width = s->plane[s->channel_num].band[0][0].width;
721 99 lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height;
722 99 lowpass_a_width = s->plane[s->channel_num].band[0][0].a_width;
723
724
2/4
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99 if (lowpass_width < 3 ||
725 lowpass_width > lowpass_a_width) {
726 av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
727 ret = AVERROR(EINVAL);
728 goto end;
729 }
730
731
2/4
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✓ Branch 3 taken 99 times.
99 if (lowpass_height < 3 ||
732 lowpass_height > lowpass_a_height) {
733 av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
734 ret = AVERROR(EINVAL);
735 goto end;
736 }
737
738
1/2
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✓ Branch 1 taken 99 times.
99 if (!got_buffer) {
739 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
740 ret = AVERROR(EINVAL);
741 goto end;
742 }
743
744
2/4
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99 if (lowpass_height > lowpass_a_height || lowpass_width > lowpass_a_width ||
745
1/2
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✓ Branch 2 taken 99 times.
99 lowpass_width * lowpass_height * sizeof(int16_t) > bytestream2_get_bytes_left(&gb)) {
746 av_log(avctx, AV_LOG_ERROR, "Too many lowpass coefficients\n");
747 ret = AVERROR(EINVAL);
748 goto end;
749 }
750
751 99 av_log(avctx, AV_LOG_DEBUG, "Start of lowpass coeffs component %d height:%d, width:%d\n", s->channel_num, lowpass_height, lowpass_width);
752
2/2
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5082 for (i = 0; i < lowpass_height; i++) {
753
2/2
✓ Branch 0 taken 339284 times.
✓ Branch 1 taken 4983 times.
344267 for (j = 0; j < lowpass_width; j++)
754 339284 coeff_data[j] = bytestream2_get_be16u(&gb);
755
756 4983 coeff_data += lowpass_width;
757 }
758
759 /* Align to mod-4 position to continue reading tags */
760 99 bytestream2_seek(&gb, bytestream2_tell(&gb) & 3, SEEK_CUR);
761
762 /* Copy last line of coefficients if odd height */
763
2/2
✓ Branch 0 taken 33 times.
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99 if (lowpass_height & 1) {
764 33 memcpy(&coeff_data[lowpass_height * lowpass_width],
765 33 &coeff_data[(lowpass_height - 1) * lowpass_width],
766 lowpass_width * sizeof(*coeff_data));
767 }
768
769 99 s->plane[s->channel_num].band[0][0].read_ok = 1;
770
771 99 av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height);
772 }
773
774
1/2
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17193 av_assert0(s->subband_num_actual != 255);
775
3/4
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✓ Branch 3 taken 16302 times.
17193 if (tag == BandHeader || tag == BandSecondPass) {
776 int highpass_height, highpass_width, highpass_a_width, highpass_a_height, highpass_stride, a_expected;
777 int expected;
778 int level, run, coeff;
779 891 int count = 0, bytes;
780
781
2/4
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✓ Branch 3 taken 891 times.
891 if (!s->a_width || !s->a_height) {
782 ret = AVERROR_INVALIDDATA;
783 goto end;
784 }
785
786 891 highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height;
787 891 highpass_width = s->plane[s->channel_num].band[s->level][s->subband_num].width;
788 891 highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width;
789 891 highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height;
790 891 highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride;
791 891 a_expected = highpass_a_height * highpass_a_width;
792
793
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891 if (!got_buffer) {
794 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
795 ret = AVERROR(EINVAL);
796 goto end;
797 }
798
799
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891 if (highpass_height > highpass_a_height || highpass_width > highpass_a_width || a_expected < highpass_height * (uint64_t)highpass_stride) {
800 av_log(avctx, AV_LOG_ERROR, "Too many highpass coefficients\n");
801 ret = AVERROR(EINVAL);
802 goto end;
803 }
804 891 expected = highpass_height * highpass_stride;
805
806 891 av_log(avctx, AV_LOG_DEBUG, "Start subband coeffs plane %i level %i codebook %i expected %i\n", s->channel_num, s->level, s->codebook, expected);
807
808 891 ret = init_get_bits8(&s->gb, gb.buffer, bytestream2_get_bytes_left(&gb));
809
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891 if (ret < 0)
810 goto end;
811 {
812 891 OPEN_READER(re, &s->gb);
813
814 891 const int lossless = s->band_encoding == 5;
815
816
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891 if (s->codebook == 0 && s->transform_type == 2 && s->subband_num_actual == 7)
817 s->codebook = 1;
818
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891 if (!s->codebook) {
819 while (1) {
820 UPDATE_CACHE(re, &s->gb);
821 GET_RL_VLC(level, run, re, &s->gb, s->table_9_rl_vlc,
822 VLC_BITS, 3, 1);
823
824 /* escape */
825 if (level == 64)
826 break;
827
828 count += run;
829
830 if (count > expected)
831 break;
832
833 if (!lossless)
834 coeff = dequant_and_decompand(s, level, s->quantisation, 0);
835 else
836 coeff = level;
837 if (tag == BandSecondPass) {
838 const uint16_t q = s->quantisation;
839
840 for (i = 0; i < run; i++) {
841 *coeff_data |= coeff * 256;
842 *coeff_data++ *= q;
843 }
844 } else {
845 for (i = 0; i < run; i++)
846 *coeff_data++ = coeff;
847 }
848 }
849 } else {
850 while (1) {
851 3523868 UPDATE_CACHE(re, &s->gb);
852
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3523868 GET_RL_VLC(level, run, re, &s->gb, s->table_18_rl_vlc,
853 VLC_BITS, 3, 1);
854
855 /* escape */
856
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3523868 if (level == 255 && run == 2)
857 891 break;
858
859 3522977 count += run;
860
861
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3522977 if (count > expected)
862 break;
863
864
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3522977 if (!lossless)
865 3522977 coeff = dequant_and_decompand(s, level, s->quantisation, s->codebook);
866 else
867 coeff = level;
868
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3522977 if (tag == BandSecondPass) {
869 const uint16_t q = s->quantisation;
870
871 for (i = 0; i < run; i++) {
872 *coeff_data |= coeff * 256;
873 *coeff_data++ *= q;
874 }
875 } else {
876
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25184705 for (i = 0; i < run; i++)
877 21661728 *coeff_data++ = coeff;
878 }
879 }
880 }
881 891 CLOSE_READER(re, &s->gb);
882 }
883
884
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891 if (count > expected) {
885 av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n");
886 ret = AVERROR(EINVAL);
887 goto end;
888 }
889
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891 if (s->peak.level)
890 peak_table(coeff_data - count, &s->peak, count);
891
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891 if (s->difference_coding)
892 difference_coding(s->plane[s->channel_num].subband[s->subband_num_actual], highpass_width, highpass_height);
893
894 891 bytes = FFALIGN(AV_CEIL_RSHIFT(get_bits_count(&s->gb), 3), 4);
895
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891 if (bytes > bytestream2_get_bytes_left(&gb)) {
896 av_log(avctx, AV_LOG_ERROR, "Bitstream overread error\n");
897 ret = AVERROR(EINVAL);
898 goto end;
899 } else
900 891 bytestream2_seek(&gb, bytes, SEEK_CUR);
901
902 891 av_log(avctx, AV_LOG_DEBUG, "End subband coeffs %i extra %i\n", count, count - expected);
903 891 s->plane[s->channel_num].band[s->level][s->subband_num].read_ok = 1;
904 891 finish:
905
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891 if (s->subband_num_actual != 255)
906 891 s->codebook = 0;
907 }
908 }
909
910 33 s->planes = av_pix_fmt_count_planes(avctx->pix_fmt);
911
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33 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
912 s->progressive = 1;
913 s->planes = 4;
914 }
915
916 33 ff_thread_finish_setup(avctx);
917
918
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33 if (!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE ||
919
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33 s->a_transform_type == INT_MIN ||
920
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33 s->coded_width || s->coded_height || s->coded_format != AV_PIX_FMT_NONE) {
921 av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n");
922 ret = AVERROR(EINVAL);
923 goto end;
924 }
925
926
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33 if (!got_buffer) {
927 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
928 ret = AVERROR(EINVAL);
929 goto end;
930 }
931
932
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132 for (plane = 0; plane < s->planes; plane++) {
933 int o, level;
934
935
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396 for (level = 0; level < (s->transform_type == 0 ? DWT_LEVELS : DWT_LEVELS_3D) ; level++) {
936
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297 if (s->transform_type == 2)
937 if (level == 2 || level == 5)
938 continue;
939
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1287 for (o = !!level; o < 4 ; o++) {
940
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990 if (!s->plane[plane].band[level][o].read_ok) {
941 ret = AVERROR_INVALIDDATA;
942 goto end;
943 }
944 }
945 }
946 }
947
948
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33 if (s->transform_type == 0 && s->sample_type != 1) {
949
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132 for (plane = 0; plane < s->planes && !ret; plane++) {
950 /* level 1 */
951 99 int lowpass_height = s->plane[plane].band[0][0].height;
952 99 int output_stride = s->plane[plane].band[0][0].a_width;
953 99 int lowpass_width = s->plane[plane].band[0][0].width;
954 99 int highpass_stride = s->plane[plane].band[0][1].stride;
955
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99 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
956 ptrdiff_t dst_linesize;
957 int16_t *low, *high, *output, *dst;
958
959
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99 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
960 act_plane = 0;
961 dst_linesize = pic->linesize[act_plane];
962 } else {
963 99 dst_linesize = pic->linesize[act_plane] / 2;
964 }
965
966
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99 if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
967
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99 !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width ||
968
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99 lowpass_width < 3 || lowpass_height < 3) {
969 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
970 ret = AVERROR(EINVAL);
971 goto end;
972 }
973
974 99 av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
975
976 99 low = s->plane[plane].subband[0];
977 99 high = s->plane[plane].subband[2];
978 99 output = s->plane[plane].l_h[0];
979 99 dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height);
980
981 99 low = s->plane[plane].subband[1];
982 99 high = s->plane[plane].subband[3];
983 99 output = s->plane[plane].l_h[1];
984
985 99 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
986
987 99 low = s->plane[plane].l_h[0];
988 99 high = s->plane[plane].l_h[1];
989 99 output = s->plane[plane].subband[0];
990 99 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
991
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99 if (s->bpc == 12) {
992 33 output = s->plane[plane].subband[0];
993
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3993 for (i = 0; i < lowpass_height * 2; i++) {
994
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716760 for (j = 0; j < lowpass_width * 2; j++)
995 712800 output[j] *= 4;
996
997 3960 output += output_stride * 2;
998 }
999 }
1000
1001 /* level 2 */
1002 99 lowpass_height = s->plane[plane].band[1][1].height;
1003 99 output_stride = s->plane[plane].band[1][1].a_width;
1004 99 lowpass_width = s->plane[plane].band[1][1].width;
1005 99 highpass_stride = s->plane[plane].band[1][1].stride;
1006
1007
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99 if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width ||
1008
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99 !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width ||
1009
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99 lowpass_width < 3 || lowpass_height < 3) {
1010 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1011 ret = AVERROR(EINVAL);
1012 goto end;
1013 }
1014
1015 99 av_log(avctx, AV_LOG_DEBUG, "Level 2 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1016
1017 99 low = s->plane[plane].subband[0];
1018 99 high = s->plane[plane].subband[5];
1019 99 output = s->plane[plane].l_h[3];
1020 99 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1021
1022 99 low = s->plane[plane].subband[4];
1023 99 high = s->plane[plane].subband[6];
1024 99 output = s->plane[plane].l_h[4];
1025 99 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1026
1027 99 low = s->plane[plane].l_h[3];
1028 99 high = s->plane[plane].l_h[4];
1029 99 output = s->plane[plane].subband[0];
1030 99 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1031
1032 99 output = s->plane[plane].subband[0];
1033
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20031 for (i = 0; i < lowpass_height * 2; i++) {
1034
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5448476 for (j = 0; j < lowpass_width * 2; j++)
1035 5428544 output[j] *= 4;
1036
1037 19932 output += output_stride * 2;
1038 }
1039
1040 /* level 3 */
1041 99 lowpass_height = s->plane[plane].band[2][1].height;
1042 99 output_stride = s->plane[plane].band[2][1].a_width;
1043 99 lowpass_width = s->plane[plane].band[2][1].width;
1044 99 highpass_stride = s->plane[plane].band[2][1].stride;
1045
1046
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99 if (lowpass_height > s->plane[plane].band[2][1].a_height || lowpass_width > s->plane[plane].band[2][1].a_width ||
1047
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99 !highpass_stride || s->plane[plane].band[2][1].width > s->plane[plane].band[2][1].a_width ||
1048
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99 lowpass_height < 3 || lowpass_width < 3 || lowpass_width * 2 > s->plane[plane].width) {
1049 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1050 ret = AVERROR(EINVAL);
1051 goto end;
1052 }
1053
1054 99 av_log(avctx, AV_LOG_DEBUG, "Level 3 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1055
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99 if (s->progressive) {
1056 99 low = s->plane[plane].subband[0];
1057 99 high = s->plane[plane].subband[8];
1058 99 output = s->plane[plane].l_h[6];
1059 99 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1060
1061 99 low = s->plane[plane].subband[7];
1062 99 high = s->plane[plane].subband[9];
1063 99 output = s->plane[plane].l_h[7];
1064 99 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1065
1066 99 dst = (int16_t *)pic->data[act_plane];
1067
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99 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1068 if (plane & 1)
1069 dst++;
1070 if (plane > 1)
1071 dst += pic->linesize[act_plane] >> 1;
1072 }
1073 99 low = s->plane[plane].l_h[6];
1074 99 high = s->plane[plane].l_h[7];
1075
1076
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99 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1077 (lowpass_height * 2 > avctx->coded_height / 2 ||
1078 lowpass_width * 2 > avctx->coded_width / 2 )
1079 ) {
1080 ret = AVERROR_INVALIDDATA;
1081 goto end;
1082 }
1083
1084
2/2
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39963 for (i = 0; i < s->plane[act_plane].height; i++) {
1085 39864 dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1086
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39864 if (avctx->pix_fmt == AV_PIX_FMT_GBRAP12 && act_plane == 3)
1087 process_alpha(dst, lowpass_width * 2);
1088 39864 low += output_stride;
1089 39864 high += output_stride;
1090 39864 dst += dst_linesize;
1091 }
1092 } else {
1093 av_log(avctx, AV_LOG_DEBUG, "interlaced frame ? %d", pic->interlaced_frame);
1094 pic->interlaced_frame = 1;
1095 low = s->plane[plane].subband[0];
1096 high = s->plane[plane].subband[7];
1097 output = s->plane[plane].l_h[6];
1098 dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1099
1100 low = s->plane[plane].subband[8];
1101 high = s->plane[plane].subband[9];
1102 output = s->plane[plane].l_h[7];
1103 dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1104
1105 dst = (int16_t *)pic->data[act_plane];
1106 low = s->plane[plane].l_h[6];
1107 high = s->plane[plane].l_h[7];
1108 for (i = 0; i < s->plane[act_plane].height / 2; i++) {
1109 interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane);
1110 low += output_stride * 2;
1111 high += output_stride * 2;
1112 dst += pic->linesize[act_plane];
1113 }
1114 }
1115 }
1116 } else if (s->transform_type == 2 && (avctx->internal->is_copy || s->frame_index == 1 || s->sample_type != 1)) {
1117 for (plane = 0; plane < s->planes && !ret; plane++) {
1118 int lowpass_height = s->plane[plane].band[0][0].height;
1119 int output_stride = s->plane[plane].band[0][0].a_width;
1120 int lowpass_width = s->plane[plane].band[0][0].width;
1121 int highpass_stride = s->plane[plane].band[0][1].stride;
1122 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
1123 int16_t *low, *high, *output, *dst;
1124 ptrdiff_t dst_linesize;
1125
1126 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1127 act_plane = 0;
1128 dst_linesize = pic->linesize[act_plane];
1129 } else {
1130 dst_linesize = pic->linesize[act_plane] / 2;
1131 }
1132
1133 if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
1134 !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width ||
1135 lowpass_width < 3 || lowpass_height < 3) {
1136 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1137 ret = AVERROR(EINVAL);
1138 goto end;
1139 }
1140
1141 av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1142
1143 low = s->plane[plane].subband[0];
1144 high = s->plane[plane].subband[2];
1145 output = s->plane[plane].l_h[0];
1146 dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height);
1147
1148 low = s->plane[plane].subband[1];
1149 high = s->plane[plane].subband[3];
1150 output = s->plane[plane].l_h[1];
1151 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1152
1153 low = s->plane[plane].l_h[0];
1154 high = s->plane[plane].l_h[1];
1155 output = s->plane[plane].l_h[7];
1156 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1157 if (s->bpc == 12) {
1158 output = s->plane[plane].l_h[7];
1159 for (i = 0; i < lowpass_height * 2; i++) {
1160 for (j = 0; j < lowpass_width * 2; j++)
1161 output[j] *= 4;
1162
1163 output += output_stride * 2;
1164 }
1165 }
1166
1167 lowpass_height = s->plane[plane].band[1][1].height;
1168 output_stride = s->plane[plane].band[1][1].a_width;
1169 lowpass_width = s->plane[plane].band[1][1].width;
1170 highpass_stride = s->plane[plane].band[1][1].stride;
1171
1172 if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width ||
1173 !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width ||
1174 lowpass_width < 3 || lowpass_height < 3) {
1175 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1176 ret = AVERROR(EINVAL);
1177 goto end;
1178 }
1179
1180 av_log(avctx, AV_LOG_DEBUG, "Level 2 lowpass plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1181
1182 low = s->plane[plane].l_h[7];
1183 high = s->plane[plane].subband[5];
1184 output = s->plane[plane].l_h[3];
1185 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1186
1187 low = s->plane[plane].subband[4];
1188 high = s->plane[plane].subband[6];
1189 output = s->plane[plane].l_h[4];
1190 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1191
1192 low = s->plane[plane].l_h[3];
1193 high = s->plane[plane].l_h[4];
1194 output = s->plane[plane].l_h[7];
1195 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1196
1197 output = s->plane[plane].l_h[7];
1198 for (i = 0; i < lowpass_height * 2; i++) {
1199 for (j = 0; j < lowpass_width * 2; j++)
1200 output[j] *= 4;
1201 output += output_stride * 2;
1202 }
1203
1204 low = s->plane[plane].subband[7];
1205 high = s->plane[plane].subband[9];
1206 output = s->plane[plane].l_h[3];
1207 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1208
1209 low = s->plane[plane].subband[8];
1210 high = s->plane[plane].subband[10];
1211 output = s->plane[plane].l_h[4];
1212 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1213
1214 low = s->plane[plane].l_h[3];
1215 high = s->plane[plane].l_h[4];
1216 output = s->plane[plane].l_h[9];
1217 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1218
1219 lowpass_height = s->plane[plane].band[4][1].height;
1220 output_stride = s->plane[plane].band[4][1].a_width;
1221 lowpass_width = s->plane[plane].band[4][1].width;
1222 highpass_stride = s->plane[plane].band[4][1].stride;
1223 av_log(avctx, AV_LOG_DEBUG, "temporal level %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1224
1225 if (lowpass_height > s->plane[plane].band[4][1].a_height || lowpass_width > s->plane[plane].band[4][1].a_width ||
1226 !highpass_stride || s->plane[plane].band[4][1].width > s->plane[plane].band[4][1].a_width ||
1227 lowpass_width < 3 || lowpass_height < 3) {
1228 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1229 ret = AVERROR(EINVAL);
1230 goto end;
1231 }
1232
1233 low = s->plane[plane].l_h[7];
1234 high = s->plane[plane].l_h[9];
1235 output = s->plane[plane].l_h[7];
1236 for (i = 0; i < lowpass_height; i++) {
1237 inverse_temporal_filter(low, high, lowpass_width);
1238 low += output_stride;
1239 high += output_stride;
1240 }
1241 if (s->progressive) {
1242 low = s->plane[plane].l_h[7];
1243 high = s->plane[plane].subband[15];
1244 output = s->plane[plane].l_h[6];
1245 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1246
1247 low = s->plane[plane].subband[14];
1248 high = s->plane[plane].subband[16];
1249 output = s->plane[plane].l_h[7];
1250 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1251
1252 low = s->plane[plane].l_h[9];
1253 high = s->plane[plane].subband[12];
1254 output = s->plane[plane].l_h[8];
1255 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1256
1257 low = s->plane[plane].subband[11];
1258 high = s->plane[plane].subband[13];
1259 output = s->plane[plane].l_h[9];
1260 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1261
1262 if (s->sample_type == 1)
1263 continue;
1264
1265 dst = (int16_t *)pic->data[act_plane];
1266 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1267 if (plane & 1)
1268 dst++;
1269 if (plane > 1)
1270 dst += pic->linesize[act_plane] >> 1;
1271 }
1272
1273 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1274 (lowpass_height * 2 > avctx->coded_height / 2 ||
1275 lowpass_width * 2 > avctx->coded_width / 2 )
1276 ) {
1277 ret = AVERROR_INVALIDDATA;
1278 goto end;
1279 }
1280
1281 low = s->plane[plane].l_h[6];
1282 high = s->plane[plane].l_h[7];
1283 for (i = 0; i < s->plane[act_plane].height; i++) {
1284 dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1285 low += output_stride;
1286 high += output_stride;
1287 dst += dst_linesize;
1288 }
1289 } else {
1290 pic->interlaced_frame = 1;
1291 low = s->plane[plane].l_h[7];
1292 high = s->plane[plane].subband[14];
1293 output = s->plane[plane].l_h[6];
1294 dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1295
1296 low = s->plane[plane].subband[15];
1297 high = s->plane[plane].subband[16];
1298 output = s->plane[plane].l_h[7];
1299 dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1300
1301 low = s->plane[plane].l_h[9];
1302 high = s->plane[plane].subband[11];
1303 output = s->plane[plane].l_h[8];
1304 dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1305
1306 low = s->plane[plane].subband[12];
1307 high = s->plane[plane].subband[13];
1308 output = s->plane[plane].l_h[9];
1309 dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1310
1311 if (s->sample_type == 1)
1312 continue;
1313
1314 dst = (int16_t *)pic->data[act_plane];
1315 low = s->plane[plane].l_h[6];
1316 high = s->plane[plane].l_h[7];
1317 for (i = 0; i < s->plane[act_plane].height / 2; i++) {
1318 interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane);
1319 low += output_stride * 2;
1320 high += output_stride * 2;
1321 dst += pic->linesize[act_plane];
1322 }
1323 }
1324 }
1325 }
1326
1327
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33 if (s->transform_type == 2 && s->sample_type == 1) {
1328 int16_t *low, *high, *dst;
1329 int output_stride, lowpass_height, lowpass_width;
1330 ptrdiff_t dst_linesize;
1331
1332 for (plane = 0; plane < s->planes; plane++) {
1333 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
1334
1335 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1336 act_plane = 0;
1337 dst_linesize = pic->linesize[act_plane];
1338 } else {
1339 dst_linesize = pic->linesize[act_plane] / 2;
1340 }
1341
1342 lowpass_height = s->plane[plane].band[4][1].height;
1343 output_stride = s->plane[plane].band[4][1].a_width;
1344 lowpass_width = s->plane[plane].band[4][1].width;
1345
1346 if (lowpass_height > s->plane[plane].band[4][1].a_height || lowpass_width > s->plane[plane].band[4][1].a_width ||
1347 s->plane[plane].band[4][1].width > s->plane[plane].band[4][1].a_width ||
1348 lowpass_width < 3 || lowpass_height < 3) {
1349 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1350 ret = AVERROR(EINVAL);
1351 goto end;
1352 }
1353
1354 if (s->progressive) {
1355 dst = (int16_t *)pic->data[act_plane];
1356 low = s->plane[plane].l_h[8];
1357 high = s->plane[plane].l_h[9];
1358
1359 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1360 if (plane & 1)
1361 dst++;
1362 if (plane > 1)
1363 dst += pic->linesize[act_plane] >> 1;
1364 }
1365
1366 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1367 (lowpass_height * 2 > avctx->coded_height / 2 ||
1368 lowpass_width * 2 > avctx->coded_width / 2 )
1369 ) {
1370 ret = AVERROR_INVALIDDATA;
1371 goto end;
1372 }
1373
1374 for (i = 0; i < s->plane[act_plane].height; i++) {
1375 dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1376 low += output_stride;
1377 high += output_stride;
1378 dst += dst_linesize;
1379 }
1380 } else {
1381 dst = (int16_t *)pic->data[act_plane];
1382 low = s->plane[plane].l_h[8];
1383 high = s->plane[plane].l_h[9];
1384 for (i = 0; i < s->plane[act_plane].height / 2; i++) {
1385 interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane);
1386 low += output_stride * 2;
1387 high += output_stride * 2;
1388 dst += pic->linesize[act_plane];
1389 }
1390 }
1391 }
1392 }
1393
1394
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33 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16)
1395 process_bayer(pic, s->bpc);
1396 33 end:
1397
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33 if (ret < 0)
1398 return ret;
1399
1400 33 *got_frame = 1;
1401 33 return avpkt->size;
1402 }
1403
1404 6 static av_cold int cfhd_close(AVCodecContext *avctx)
1405 {
1406 6 CFHDContext *s = avctx->priv_data;
1407
1408 6 free_buffers(s);
1409
1410 6 ff_free_vlc(&s->vlc_9);
1411 6 ff_free_vlc(&s->vlc_18);
1412
1413 6 return 0;
1414 }
1415
1416 #if HAVE_THREADS
1417 static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
1418 {
1419 CFHDContext *psrc = src->priv_data;
1420 CFHDContext *pdst = dst->priv_data;
1421 int ret;
1422
1423 if (dst == src || psrc->transform_type == 0)
1424 return 0;
1425
1426 if (pdst->plane[0].idwt_size != psrc->plane[0].idwt_size ||
1427 pdst->a_format != psrc->a_format ||
1428 pdst->a_width != psrc->a_width ||
1429 pdst->a_height != psrc->a_height ||
1430 pdst->a_transform_type != psrc->a_transform_type)
1431 free_buffers(pdst);
1432
1433 pdst->a_format = psrc->a_format;
1434 pdst->a_width = psrc->a_width;
1435 pdst->a_height = psrc->a_height;
1436 pdst->a_transform_type = psrc->a_transform_type;
1437 pdst->transform_type = psrc->transform_type;
1438 pdst->progressive = psrc->progressive;
1439 pdst->planes = psrc->planes;
1440
1441 if (!pdst->plane[0].idwt_buf) {
1442 pdst->coded_width = pdst->a_width;
1443 pdst->coded_height = pdst->a_height;
1444 pdst->coded_format = pdst->a_format;
1445 pdst->transform_type = pdst->a_transform_type;
1446 ret = alloc_buffers(dst);
1447 if (ret < 0)
1448 return ret;
1449 }
1450
1451 for (int plane = 0; plane < pdst->planes; plane++) {
1452 memcpy(pdst->plane[plane].band, psrc->plane[plane].band, sizeof(pdst->plane[plane].band));
1453 memcpy(pdst->plane[plane].idwt_buf, psrc->plane[plane].idwt_buf,
1454 pdst->plane[plane].idwt_size * sizeof(int16_t));
1455 }
1456
1457 return 0;
1458 }
1459 #endif
1460
1461 const AVCodec ff_cfhd_decoder = {
1462 .name = "cfhd",
1463 .long_name = NULL_IF_CONFIG_SMALL("GoPro CineForm HD"),
1464 .type = AVMEDIA_TYPE_VIDEO,
1465 .id = AV_CODEC_ID_CFHD,
1466 .priv_data_size = sizeof(CFHDContext),
1467 .init = cfhd_init,
1468 .close = cfhd_close,
1469 .decode = cfhd_decode,
1470 .update_thread_context = ONLY_IF_THREADS_ENABLED(update_thread_context),
1471 .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
1472 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
1473 };
1474