FFmpeg
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cfhd.c
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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/common.h"
28#include "libavutil/imgutils.h"
29#include "libavutil/intreadwrite.h"
30#include "libavutil/mem.h"
31#include "libavutil/pixdesc.h"
32
33#include "avcodec.h"
34#include "bytestream.h"
35#include "codec_internal.h"
36#include "decode.h"
37#include "get_bits.h"
38#include "internal.h"
39#include "thread.h"
40#include "cfhd.h"
41
42#define ALPHA_COMPAND_DC_OFFSET 256
43#define ALPHA_COMPAND_GAIN 9400
44
45static av_cold int cfhd_init(AVCodecContext *avctx)
46{
47 CFHDContext *s = avctx->priv_data;
48
49 s->avctx = avctx;
50
51 for (int i = 0; i < 64; i++) {
52 int val = i;
53
54 if (val >= 40) {
55 if (val >= 54) {
56 val -= 54;
57 val <<= 2;
58 val += 54;
59 }
60
61 val -= 40;
62 val <<= 2;
63 val += 40;
64 }
65
66 s->lut[0][i] = val;
67 }
68
69 for (int i = 0; i < 256; i++)
70 s->lut[1][i] = i + ((768LL * i * i * i) / (256 * 256 * 256));
71
72 return ff_cfhd_init_vlcs(s);
73}
74
75static void init_plane_defaults(CFHDContext *s)
76{
77 s->subband_num = 0;
78 s->level = 0;
79 s->subband_num_actual = 0;
80}
81
82static void init_peak_table_defaults(CFHDContext *s)
83{
84 s->peak.level = 0;
85 s->peak.offset = 0;
86 memset(&s->peak.base, 0, sizeof(s->peak.base));
87}
88
89static void init_frame_defaults(CFHDContext *s)
90{
91 s->coded_width = 0;
92 s->coded_height = 0;
93 s->coded_format = AV_PIX_FMT_YUV422P10;
94 s->cropped_height = 0;
95 s->bpc = 10;
96 s->channel_cnt = 3;
97 s->subband_cnt = SUBBAND_COUNT;
98 s->channel_num = 0;
99 s->lowpass_precision = 16;
100 s->quantisation = 1;
101 s->codebook = 0;
102 s->difference_coding = 0;
103 s->frame_type = 0;
104 s->sample_type = 0;
105 if (s->transform_type != 2)
106 s->transform_type = -1;
107 init_plane_defaults(s);
108 init_peak_table_defaults(s);
109}
110
111static inline int dequant_and_decompand(CFHDContext *s, int level, int quantisation, int codebook)
112{
113 if (codebook == 0 || codebook == 1) {
114 return s->lut[codebook][abs(level)] * FFSIGN(level) * quantisation;
115 } else
116 return level * quantisation;
117}
118
119static inline void difference_coding(int16_t *band, int width, int height)
120{
121 for (int i = 0; i < height; i++) {
122 for (int j = 1; j < width; j++) {
123 band[j] += band[j-1];
124 }
125 band += width;
126 }
127}
128
129static inline void peak_table(int16_t *band, Peak *peak, int length)
130{
131 for (int i = 0; i < length; i++)
132 if (abs(band[i]) > peak->level)
133 band[i] = bytestream2_get_le16(&peak->base);
134}
135
136static inline void process_alpha(int16_t *alpha, int width)
137{
138 for (int i = 0; i < width; i++) {
139 int channel = alpha[i];
140 channel -= ALPHA_COMPAND_DC_OFFSET;
141 channel <<= 3;
142 channel *= ALPHA_COMPAND_GAIN;
143 channel >>= 16;
144 channel = av_clip_uintp2(channel, 12);
145 alpha[i] = channel;
146 }
147}
148
149static inline void process_bayer(AVFrame *frame, int bpc)
150{
151 const int linesize = frame->linesize[0];
152 uint16_t *r = (uint16_t *)frame->data[0];
153 uint16_t *g1 = (uint16_t *)(frame->data[0] + 2);
154 uint16_t *g2 = (uint16_t *)(frame->data[0] + frame->linesize[0]);
155 uint16_t *b = (uint16_t *)(frame->data[0] + frame->linesize[0] + 2);
156 const int mid = 1 << (bpc - 1);
157 const int factor = 1 << (16 - bpc);
158
159 for (int y = 0; y < frame->height >> 1; y++) {
160 for (int x = 0; x < frame->width; x += 2) {
161 int R, G1, G2, B;
162 int g, rg, bg, gd;
163
164 g = r[x];
165 rg = g1[x];
166 bg = g2[x];
167 gd = b[x];
168 gd -= mid;
169
170 R = (rg - mid) * 2 + g;
171 G1 = g + gd;
172 G2 = g - gd;
173 B = (bg - mid) * 2 + g;
174
175 R = av_clip_uintp2(R * factor, 16);
176 G1 = av_clip_uintp2(G1 * factor, 16);
177 G2 = av_clip_uintp2(G2 * factor, 16);
178 B = av_clip_uintp2(B * factor, 16);
179
180 r[x] = R;
181 g1[x] = G1;
182 g2[x] = G2;
183 b[x] = B;
184 }
185
186 r += linesize;
187 g1 += linesize;
188 g2 += linesize;
189 b += linesize;
190 }
191}
192
193static inline void interlaced_vertical_filter(int16_t *output, int16_t *low, int16_t *high,
194 int width, int linesize, int plane)
195{
196 for (int i = 0; i < width; i++) {
197 int16_t even = (low[i] - high[i])/2;
198 int16_t odd = (low[i] + high[i])/2;
199 output[i] = av_clip_uintp2(even, 10);
200 output[i + linesize] = av_clip_uintp2(odd, 10);
201 }
202}
203
204static inline void inverse_temporal_filter(int16_t *low, int16_t *high, int width)
205{
206 for (int i = 0; i < width; i++) {
207 int even = (low[i] - high[i]) / 2;
208 int odd = (low[i] + high[i]) / 2;
209
210 low[i] = even;
211 high[i] = odd;
212 }
213}
214
215static void free_buffers(CFHDContext *s)
216{
217 for (size_t i = 0; i < FF_ARRAY_ELEMS(s->plane); i++) {
218 Plane *p = &s->plane[i];
219 av_freep(&s->plane[i].idwt_buf);
220 av_freep(&s->plane[i].idwt_tmp);
221 s->plane[i].idwt_size = 0;
222
223 for (int j = 0; j < SUBBAND_COUNT_3D; j++)
224 s->plane[i].subband[j] = NULL;
225
226 for (int j = 0; j < 10; j++)
227 s->plane[i].l_h[j] = NULL;
228
229 for (int j = 0; j < DWT_LEVELS_3D; j++)
230 for (unsigned k = 0; k < FF_ARRAY_ELEMS(p->band[j]); k++) {
231 p->band[j][k].a_width = 0;
232 p->band[j][k].a_height = 0;
233 p->band[j][k].read_ok = 0;
234 }
235 }
236 s->a_height = 0;
237 s->a_width = 0;
238 s->a_transform_type = INT_MIN;
239}
240
241static int alloc_buffers(AVCodecContext *avctx)
242{
243 CFHDContext *s = avctx->priv_data;
244 int ret, planes, bayer = 0;
245 int chroma_x_shift, chroma_y_shift;
246
247 if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0)
248 return ret;
249 avctx->pix_fmt = s->coded_format;
250
251 ff_cfhddsp_init(&s->dsp, s->bpc, avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
252
253 if ((ret = av_pix_fmt_get_chroma_sub_sample(s->coded_format,
254 &chroma_x_shift,
255 &chroma_y_shift)) < 0)
256 return ret;
257 planes = av_pix_fmt_count_planes(s->coded_format);
258 if (s->coded_format == AV_PIX_FMT_BAYER_RGGB16) {
259 planes = 4;
260 chroma_x_shift = 1;
261 chroma_y_shift = 1;
262 bayer = 1;
263 }
264
265 for (int i = 0; i < planes; i++) {
266 int w8, h8, w4, h4, w2, h2;
267 int width = (i || bayer) ? s->coded_width >> chroma_x_shift : s->coded_width;
268 int height = (i || bayer) ? s->coded_height >> chroma_y_shift : s->coded_height;
269 ptrdiff_t stride = (FFALIGN(width / 8, 8) + 64) * 8;
270
271 if ((ret = av_image_check_size2(stride, height, avctx->max_pixels, s->coded_format, 0, avctx)) < 0)
272 return ret;
273
274 if (chroma_y_shift && !bayer)
275 height = FFALIGN(height / 8, 2) * 8;
276 s->plane[i].width = width;
277 s->plane[i].height = height;
278 s->plane[i].stride = stride;
279
280 w8 = FFALIGN(s->plane[i].width / 8, 8) + 64;
281 h8 = FFALIGN(height, 8) / 8;
282 w4 = w8 * 2;
283 h4 = h8 * 2;
284 w2 = w4 * 2;
285 h2 = h4 * 2;
286
287 if (s->transform_type == 0) {
288 s->plane[i].idwt_size = FFALIGN(height, 8) * stride;
289 s->plane[i].idwt_buf =
290 av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
291 s->plane[i].idwt_tmp =
292 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
293 } else {
294 s->plane[i].idwt_size = FFALIGN(height, 8) * stride * 2;
295 s->plane[i].idwt_buf =
296 av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
297 s->plane[i].idwt_tmp =
298 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
299 }
300
301 if (!s->plane[i].idwt_buf || !s->plane[i].idwt_tmp)
302 return AVERROR(ENOMEM);
303
304 s->plane[i].subband[0] = s->plane[i].idwt_buf;
305 s->plane[i].subband[1] = s->plane[i].idwt_buf + 2 * w8 * h8;
306 s->plane[i].subband[2] = s->plane[i].idwt_buf + 1 * w8 * h8;
307 s->plane[i].subband[3] = s->plane[i].idwt_buf + 3 * w8 * h8;
308 s->plane[i].subband[4] = s->plane[i].idwt_buf + 2 * w4 * h4;
309 s->plane[i].subband[5] = s->plane[i].idwt_buf + 1 * w4 * h4;
310 s->plane[i].subband[6] = s->plane[i].idwt_buf + 3 * w4 * h4;
311 if (s->transform_type == 0) {
312 s->plane[i].subband[7] = s->plane[i].idwt_buf + 2 * w2 * h2;
313 s->plane[i].subband[8] = s->plane[i].idwt_buf + 1 * w2 * h2;
314 s->plane[i].subband[9] = s->plane[i].idwt_buf + 3 * w2 * h2;
315 } else {
316 int16_t *frame2 =
317 s->plane[i].subband[7] = s->plane[i].idwt_buf + 4 * w2 * h2;
318 s->plane[i].subband[8] = frame2 + 2 * w4 * h4;
319 s->plane[i].subband[9] = frame2 + 1 * w4 * h4;
320 s->plane[i].subband[10] = frame2 + 3 * w4 * h4;
321 s->plane[i].subband[11] = frame2 + 2 * w2 * h2;
322 s->plane[i].subband[12] = frame2 + 1 * w2 * h2;
323 s->plane[i].subband[13] = frame2 + 3 * w2 * h2;
324 s->plane[i].subband[14] = s->plane[i].idwt_buf + 2 * w2 * h2;
325 s->plane[i].subband[15] = s->plane[i].idwt_buf + 1 * w2 * h2;
326 s->plane[i].subband[16] = s->plane[i].idwt_buf + 3 * w2 * h2;
327 }
328
329 if (s->transform_type == 0) {
330 for (int j = 0; j < DWT_LEVELS; j++) {
331 for (unsigned k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
332 s->plane[i].band[j][k].a_width = w8 << j;
333 s->plane[i].band[j][k].a_height = h8 << j;
334 }
335 }
336 } else {
337 for (int j = 0; j < DWT_LEVELS_3D; j++) {
338 int t = j < 1 ? 0 : (j < 3 ? 1 : 2);
339
340 for (unsigned k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
341 s->plane[i].band[j][k].a_width = w8 << t;
342 s->plane[i].band[j][k].a_height = h8 << t;
343 }
344 }
345 }
346
347 /* ll2 and ll1 commented out because they are done in-place */
348 s->plane[i].l_h[0] = s->plane[i].idwt_tmp;
349 s->plane[i].l_h[1] = s->plane[i].idwt_tmp + 2 * w8 * h8;
350 // s->plane[i].l_h[2] = ll2;
351 s->plane[i].l_h[3] = s->plane[i].idwt_tmp;
352 s->plane[i].l_h[4] = s->plane[i].idwt_tmp + 2 * w4 * h4;
353 // s->plane[i].l_h[5] = ll1;
354 s->plane[i].l_h[6] = s->plane[i].idwt_tmp;
355 s->plane[i].l_h[7] = s->plane[i].idwt_tmp + 2 * w2 * h2;
356 if (s->transform_type != 0) {
357 int16_t *frame2 = s->plane[i].idwt_tmp + 4 * w2 * h2;
358
359 s->plane[i].l_h[8] = frame2;
360 s->plane[i].l_h[9] = frame2 + 2 * w2 * h2;
361 }
362 }
363
364 s->a_transform_type = s->transform_type;
365 s->a_height = s->coded_height;
366 s->a_width = s->coded_width;
367 s->a_format = s->coded_format;
368
369 return 0;
370}
371
372static int cfhd_decode(AVCodecContext *avctx, AVFrame *pic,
373 int *got_frame, AVPacket *avpkt)
374{
375 CFHDContext *s = avctx->priv_data;
376 CFHDDSPContext *dsp = &s->dsp;
377 GetByteContext gb;
378 int ret = 0, got_buffer = 0;
379
380 init_frame_defaults(s);
381 s->planes = av_pix_fmt_count_planes(s->coded_format);
382
383 bytestream2_init(&gb, avpkt->data, avpkt->size);
384
385 while (bytestream2_get_bytes_left(&gb) >= 4) {
386 /* Bit weird but implement the tag parsing as the spec says */
387 uint16_t tagu = bytestream2_get_be16(&gb);
388 int16_t tag = (int16_t)tagu;
389 int8_t tag8 = (int8_t)(tagu >> 8);
390 uint16_t abstag = abs(tag);
391 int8_t abs_tag8 = abs(tag8);
392 uint16_t data = bytestream2_get_be16(&gb);
393 int16_t *coeff_data;
394
395 if (abs_tag8 >= 0x60 && abs_tag8 <= 0x6f) {
396 av_log(avctx, AV_LOG_DEBUG, "large len %x\n", ((tagu & 0xff) << 16) | data);
397 } else if (tag == SampleFlags) {
398 av_log(avctx, AV_LOG_DEBUG, "Progressive? %"PRIu16"\n", data);
399 s->progressive = data & 0x0001;
400 } else if (tag == FrameType) {
401 s->frame_type = data;
402 av_log(avctx, AV_LOG_DEBUG, "Frame type %"PRIu16"\n", data);
403 } else if (abstag == VersionMajor) {
404 av_log(avctx, AV_LOG_DEBUG, "Version major %"PRIu16"\n", data);
405 } else if (abstag == VersionMinor) {
406 av_log(avctx, AV_LOG_DEBUG, "Version minor %"PRIu16"\n", data);
407 } else if (abstag == VersionRevision) {
408 av_log(avctx, AV_LOG_DEBUG, "Version revision %"PRIu16"\n", data);
409 } else if (abstag == VersionEdit) {
410 av_log(avctx, AV_LOG_DEBUG, "Version edit %"PRIu16"\n", data);
411 } else if (abstag == Version) {
412 av_log(avctx, AV_LOG_DEBUG, "Version %"PRIu16"\n", data);
413 } else if (tag == ImageWidth) {
414 av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data);
415 s->coded_width = data;
416 } else if (tag == ImageHeight) {
417 av_log(avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data);
418 s->coded_height = data;
419 } else if (tag == ChannelCount) {
420 av_log(avctx, AV_LOG_DEBUG, "Channel Count: %"PRIu16"\n", data);
421 s->channel_cnt = data;
422 if (data > 4) {
423 av_log(avctx, AV_LOG_ERROR, "Channel Count of %"PRIu16" is unsupported\n", data);
424 ret = AVERROR_PATCHWELCOME;
425 goto end;
426 }
427 } else if (tag == SubbandCount) {
428 av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data);
429 if (data != SUBBAND_COUNT && data != SUBBAND_COUNT_3D) {
430 av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data);
431 ret = AVERROR_PATCHWELCOME;
432 goto end;
433 }
434 } else if (tag == ChannelNumber) {
435 s->channel_num = data;
436 av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data);
437 init_plane_defaults(s);
438 } else if (tag == SubbandNumber) {
439 if (s->subband_num != 0 && data == 1 && (s->transform_type == 0 || s->transform_type == 2)) // hack
440 s->level++;
441 av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data);
442 s->subband_num = data;
443 if ((s->transform_type == 0 && s->level >= DWT_LEVELS) ||
444 (s->transform_type == 2 && s->level >= DWT_LEVELS_3D)) {
445 av_log(avctx, AV_LOG_ERROR, "Invalid level\n");
446 ret = AVERROR(EINVAL);
447 goto end;
448 }
449 if (s->subband_num > 3) {
450 av_log(avctx, AV_LOG_ERROR, "Invalid subband number\n");
451 ret = AVERROR(EINVAL);
452 goto end;
453 }
454 } else if (tag == SubbandBand) {
455 av_log(avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data);
456 if ((s->transform_type == 0 && data >= SUBBAND_COUNT) ||
457 (s->transform_type == 2 && data >= SUBBAND_COUNT_3D && data != 255)) {
458 av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n");
459 ret = AVERROR(EINVAL);
460 goto end;
461 }
462 if (s->transform_type == 0 || s->transform_type == 2)
463 s->subband_num_actual = data;
464 else
465 av_log(avctx, AV_LOG_WARNING, "Ignoring subband num actual %"PRIu16"\n", data);
466 } else if (tag == LowpassPrecision)
467 av_log(avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data);
468 else if (tag == Quantization) {
469 s->quantisation = data;
470 av_log(avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data);
471 } else if (tag == PrescaleTable) {
472 for (int i = 0; i < 8; i++)
473 s->prescale_table[i] = (data >> (14 - i * 2)) & 0x3;
474 av_log(avctx, AV_LOG_DEBUG, "Prescale table: %x\n", data);
475 } else if (tag == BandEncoding) {
476 if (!data || data > 5) {
477 av_log(avctx, AV_LOG_ERROR, "Invalid band encoding\n");
478 ret = AVERROR(EINVAL);
479 goto end;
480 }
481 s->band_encoding = data;
482 av_log(avctx, AV_LOG_DEBUG, "Encode Method for Subband %d : %x\n", s->subband_num_actual, data);
483 } else if (tag == LowpassWidth) {
484 av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data);
485 s->plane[s->channel_num].band[0][0].width = data;
486 s->plane[s->channel_num].band[0][0].stride = data;
487 } else if (tag == LowpassHeight) {
488 av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
489 s->plane[s->channel_num].band[0][0].height = data;
490 } else if (tag == SampleType) {
491 s->sample_type = data;
492 av_log(avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data);
493 } else if (tag == TransformType) {
494 if (data > 2) {
495 av_log(avctx, AV_LOG_ERROR, "Invalid transform type\n");
496 ret = AVERROR(EINVAL);
497 goto end;
498 } else if (data == 1) {
499 av_log(avctx, AV_LOG_ERROR, "unsupported transform type\n");
500 ret = AVERROR_PATCHWELCOME;
501 goto end;
502 }
503 if (s->transform_type == -1) {
504 s->transform_type = data;
505 av_log(avctx, AV_LOG_DEBUG, "Transform type %"PRIu16"\n", data);
506 } else {
507 av_log(avctx, AV_LOG_DEBUG, "Ignoring additional transform type %"PRIu16"\n", data);
508 }
509 } else if (abstag >= 0x4000 && abstag <= 0x40ff) {
510 if (abstag == 0x4001)
511 s->peak.level = 0;
512 av_log(avctx, AV_LOG_DEBUG, "Small chunk length %d %s\n", data * 4, tag < 0 ? "optional" : "required");
513 bytestream2_skipu(&gb, data * 4);
514 } else if (tag == FrameIndex) {
515 av_log(avctx, AV_LOG_DEBUG, "Frame index %"PRIu16"\n", data);
516 s->frame_index = data;
517 } else if (tag == SampleIndexTable) {
518 av_log(avctx, AV_LOG_DEBUG, "Sample index table - skipping %i values\n", data);
519 if (data > bytestream2_get_bytes_left(&gb) / 4) {
520 av_log(avctx, AV_LOG_ERROR, "too many values (%d)\n", data);
521 ret = AVERROR_INVALIDDATA;
522 goto end;
523 }
524 for (int i = 0; i < data; i++) {
525 uint32_t offset = bytestream2_get_be32(&gb);
526 av_log(avctx, AV_LOG_DEBUG, "Offset = %"PRIu32"\n", offset);
527 }
528 } else if (tag == HighpassWidth) {
529 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);
530 if (data < 3) {
531 av_log(avctx, AV_LOG_ERROR, "Invalid highpass width\n");
532 ret = AVERROR(EINVAL);
533 goto end;
534 }
535 s->plane[s->channel_num].band[s->level][s->subband_num].width = data;
536 s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
537 } else if (tag == HighpassHeight) {
538 av_log(avctx, AV_LOG_DEBUG, "Highpass height %i\n", data);
539 if (data < 3) {
540 av_log(avctx, AV_LOG_ERROR, "Invalid highpass height\n");
541 ret = AVERROR(EINVAL);
542 goto end;
543 }
544 s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
545 } else if (tag == BandWidth) {
546 av_log(avctx, AV_LOG_DEBUG, "Highpass width2 %i\n", data);
547 if (data < 3) {
548 av_log(avctx, AV_LOG_ERROR, "Invalid highpass width2\n");
549 ret = AVERROR(EINVAL);
550 goto end;
551 }
552 s->plane[s->channel_num].band[s->level][s->subband_num].width = data;
553 s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
554 } else if (tag == BandHeight) {
555 av_log(avctx, AV_LOG_DEBUG, "Highpass height2 %i\n", data);
556 if (data < 3) {
557 av_log(avctx, AV_LOG_ERROR, "Invalid highpass height2\n");
558 ret = AVERROR(EINVAL);
559 goto end;
560 }
561 s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
562 } else if (tag == InputFormat) {
563 av_log(avctx, AV_LOG_DEBUG, "Input format %i\n", data);
564 if (s->coded_format == AV_PIX_FMT_NONE ||
565 s->coded_format == AV_PIX_FMT_YUV422P10) {
566 if (data >= 100 && data <= 105) {
567 s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
568 } else if (data >= 122 && data <= 128) {
569 s->coded_format = AV_PIX_FMT_GBRP12;
570 } else if (data == 30) {
571 s->coded_format = AV_PIX_FMT_GBRAP12;
572 } else {
573 s->coded_format = AV_PIX_FMT_YUV422P10;
574 }
575 s->planes = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 4 : av_pix_fmt_count_planes(s->coded_format);
576 }
577 } else if (tag == BandCodingFlags) {
578 s->codebook = data & 0xf;
579 s->difference_coding = (data >> 4) & 1;
580 av_log(avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook);
581 } else if (tag == Precision) {
582 av_log(avctx, AV_LOG_DEBUG, "Precision %i\n", data);
583 if (!(data == 10 || data == 12)) {
584 av_log(avctx, AV_LOG_ERROR, "Invalid bits per channel\n");
585 ret = AVERROR(EINVAL);
586 goto end;
587 }
588 avctx->bits_per_raw_sample = s->bpc = data;
589 } else if (tag == EncodedFormat) {
590 av_log(avctx, AV_LOG_DEBUG, "Sample format? %i\n", data);
591 if (data == 1) {
592 s->coded_format = AV_PIX_FMT_YUV422P10;
593 } else if (data == 2) {
594 s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
595 } else if (data == 3) {
596 s->coded_format = AV_PIX_FMT_GBRP12;
597 } else if (data == 4) {
598 s->coded_format = AV_PIX_FMT_GBRAP12;
599 } else {
600 avpriv_report_missing_feature(avctx, "Sample format of %"PRIu16, data);
601 ret = AVERROR_PATCHWELCOME;
602 goto end;
603 }
604 s->planes = data == 2 ? 4 : av_pix_fmt_count_planes(s->coded_format);
605 } else if (tag == -DisplayHeight) {
606 av_log(avctx, AV_LOG_DEBUG, "Cropped height %"PRIu16"\n", data);
607 s->cropped_height = data;
608 } else if (tag == -PeakOffsetLow) {
609 s->peak.offset &= ~0xffff;
610 s->peak.offset |= (data & 0xffff);
611 s->peak.base = gb;
612 s->peak.level = 0;
613 } else if (tag == -PeakOffsetHigh) {
614 s->peak.offset &= 0xffff;
615 s->peak.offset |= (data & 0xffffU)<<16;
616 s->peak.base = gb;
617 s->peak.level = 0;
618 } else if (tag == -PeakLevel && s->peak.offset) {
619 s->peak.level = data;
620 if (s->peak.offset < 4 - bytestream2_tell(&s->peak.base) ||
621 s->peak.offset > 4 + bytestream2_get_bytes_left(&s->peak.base)
622 ) {
623 ret = AVERROR_INVALIDDATA;
624 goto end;
625 }
626 bytestream2_seek(&s->peak.base, s->peak.offset - 4, SEEK_CUR);
627 } else
628 av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data);
629
630 if (s->channel_num >= s->planes) {
631 av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n");
632 ret = AVERROR(EINVAL);
633 goto end;
634 }
635
636 if (got_buffer && (s->coded_width || s->coded_height || s->coded_format != AV_PIX_FMT_NONE)) {
637 av_log(avctx, AV_LOG_ERROR, "Header tag after end of header\n");
638 ret = AVERROR(EINVAL);
639 goto end;
640 }
641
642 if (tag == BitstreamMarker && data == CoefficientSegment &&
643 s->coded_format != AV_PIX_FMT_NONE) {
644 int lowpass_height = s->plane[s->channel_num].band[0][0].height;
645 int lowpass_width = s->plane[s->channel_num].band[0][0].width;
646 int factor = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 2 : 1;
647
648 if (s->coded_width) {
649 s->coded_width *= factor;
650 }
651
652 if (s->coded_height) {
653 s->coded_height *= factor;
654 }
655
656 if (!s->a_width && !s->coded_width) {
657 s->coded_width = lowpass_width * factor * 8;
658 }
659
660 if (!s->a_height && !s->coded_height) {
661 s->coded_height = lowpass_height * factor * 8;
662 }
663
664 if (s->a_width && !s->coded_width)
665 s->coded_width = s->a_width;
666 if (s->a_height && !s->coded_height)
667 s->coded_height = s->a_height;
668
669 if (s->a_width != s->coded_width || s->a_height != s->coded_height ||
670 s->a_format != s->coded_format ||
671 s->transform_type != s->a_transform_type) {
672 free_buffers(s);
673 if ((ret = alloc_buffers(avctx)) < 0) {
674 free_buffers(s);
675 return ret;
676 }
677 }
678 ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height);
679 if (ret < 0)
680 return ret;
681 avctx->pix_fmt = s->coded_format;
682 if (s->cropped_height) {
683 unsigned height = s->cropped_height << (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
684 if (avctx->height < height)
685 return AVERROR_INVALIDDATA;
686 avctx->height = height;
687 }
688 pic->width = pic->height = 0;
689
690 if ((ret = ff_thread_get_buffer(avctx, pic, 0)) < 0)
691 return ret;
692
693 s->coded_width = 0;
694 s->coded_height = 0;
695 s->coded_format = AV_PIX_FMT_NONE;
696 got_buffer = 1;
697 } else if (tag == FrameIndex && data == 1 && s->sample_type == 1 && s->frame_type == 2) {
698 pic->width = pic->height = 0;
699
700 if ((ret = ff_thread_get_buffer(avctx, pic, 0)) < 0)
701 return ret;
702 s->coded_width = 0;
703 s->coded_height = 0;
704 s->coded_format = AV_PIX_FMT_NONE;
705 got_buffer = 1;
706 }
707
708 if (s->subband_num_actual == 255)
709 goto finish;
710
711 if (tag == BitstreamMarker && data == CoefficientSegment || tag == BandHeader || tag == BandSecondPass || s->peak.level)
712 if (s->transform_type != s->a_transform_type)
713 return AVERROR_PATCHWELCOME;
714
715 coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual];
716
717 /* Lowpass coefficients */
718 if (tag == BitstreamMarker && data == CoefficientSegment) {
719 int lowpass_height, lowpass_width, lowpass_a_height, lowpass_a_width;
720
721 if (!s->a_width || !s->a_height) {
722 ret = AVERROR_INVALIDDATA;
723 goto end;
724 }
725
726 lowpass_height = s->plane[s->channel_num].band[0][0].height;
727 lowpass_width = s->plane[s->channel_num].band[0][0].width;
728 lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height;
729 lowpass_a_width = s->plane[s->channel_num].band[0][0].a_width;
730
731 if (lowpass_width < 3 ||
732 lowpass_width > lowpass_a_width) {
733 av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
734 ret = AVERROR(EINVAL);
735 goto end;
736 }
737
738 if (lowpass_height < 3 ||
739 lowpass_height > lowpass_a_height) {
740 av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
741 ret = AVERROR(EINVAL);
742 goto end;
743 }
744
745 if (!got_buffer) {
746 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
747 ret = AVERROR(EINVAL);
748 goto end;
749 }
750
751 if (lowpass_height > lowpass_a_height || lowpass_width > lowpass_a_width ||
752 lowpass_width * lowpass_height * sizeof(int16_t) > bytestream2_get_bytes_left(&gb)) {
753 av_log(avctx, AV_LOG_ERROR, "Too many lowpass coefficients\n");
754 ret = AVERROR(EINVAL);
755 goto end;
756 }
757
758 av_log(avctx, AV_LOG_DEBUG, "Start of lowpass coeffs component %d height:%d, width:%d\n", s->channel_num, lowpass_height, lowpass_width);
759 for (int i = 0; i < lowpass_height; i++) {
760 for (int j = 0; j < lowpass_width; j++)
761 coeff_data[j] = bytestream2_get_be16u(&gb);
762
763 coeff_data += lowpass_width;
764 }
765
766 /* Align to mod-4 position to continue reading tags */
767 bytestream2_seek(&gb, bytestream2_tell(&gb) & 3, SEEK_CUR);
768
769 /* Copy last line of coefficients if odd height */
770 if (lowpass_height & 1) {
771 memcpy(&coeff_data[lowpass_height * lowpass_width],
772 &coeff_data[(lowpass_height - 1) * lowpass_width],
773 lowpass_width * sizeof(*coeff_data));
774 }
775
776 s->plane[s->channel_num].band[0][0].read_ok = 1;
777
778 av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height);
779 }
780
781 av_assert0(s->subband_num_actual != 255);
782 if (tag == BandHeader || tag == BandSecondPass) {
783 int highpass_height, highpass_width, highpass_a_width, highpass_a_height, highpass_stride, a_expected;
784 int expected;
785 GetBitContext gbit;
786 int count = 0, bytes;
787
788 if (!s->a_width || !s->a_height) {
789 ret = AVERROR_INVALIDDATA;
790 goto end;
791 }
792
793 highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height;
794 highpass_width = s->plane[s->channel_num].band[s->level][s->subband_num].width;
795 highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width;
796 highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height;
797 highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride;
798 a_expected = highpass_a_height * highpass_a_width;
799
800 if (!got_buffer) {
801 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
802 ret = AVERROR(EINVAL);
803 goto end;
804 }
805
806 if (highpass_height > highpass_a_height || highpass_width > highpass_a_width || a_expected < highpass_height * (uint64_t)highpass_stride) {
807 av_log(avctx, AV_LOG_ERROR, "Too many highpass coefficients\n");
808 ret = AVERROR(EINVAL);
809 goto end;
810 }
811 expected = highpass_height * highpass_stride;
812
813 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);
814
815 ret = init_get_bits8(&gbit, gb.buffer, bytestream2_get_bytes_left(&gb));
816 if (ret < 0)
817 goto end;
818 {
819 OPEN_READER(re, &gbit);
820
821 const int lossless = s->band_encoding == 5;
822
823 if (s->codebook == 0 && s->transform_type == 2 && s->subband_num_actual == 7)
824 s->codebook = 1;
825 if (!s->codebook) {
826 while (1) {
827 int level, run, coeff;
828
829 UPDATE_CACHE(re, &gbit);
830 GET_RL_VLC(level, run, re, &gbit, s->table_9_rl_vlc,
831 VLC_BITS, 3, 1);
832
833 /* escape */
834 if (!run)
835 break;
836
837 count += run;
838
839 if (count > expected)
840 break;
841
842 if (!lossless)
843 coeff = dequant_and_decompand(s, level, s->quantisation, 0);
844 else
845 coeff = level;
846 if (tag == BandSecondPass) {
847 const uint16_t q = s->quantisation;
848
849 for (int i = 0; i < run; i++) {
850 *coeff_data |= coeff * 256U;
851 *coeff_data++ *= q;
852 }
853 } else {
854 for (int i = 0; i < run; i++)
855 *coeff_data++ = coeff;
856 }
857 }
858 } else {
859 while (1) {
860 int level, run, coeff;
861
862 UPDATE_CACHE(re, &gbit);
863 GET_RL_VLC(level, run, re, &gbit, s->table_18_rl_vlc,
864 VLC_BITS, 3, 1);
865
866 /* escape */
867 if (!run)
868 break;
869
870 count += run;
871
872 if (count > expected)
873 break;
874
875 if (!lossless)
876 coeff = dequant_and_decompand(s, level, s->quantisation, s->codebook);
877 else
878 coeff = level;
879 if (tag == BandSecondPass) {
880 const uint16_t q = s->quantisation;
881
882 for (int i = 0; i < run; i++) {
883 *coeff_data |= coeff * 256U;
884 *coeff_data++ *= q;
885 }
886 } else {
887 for (int i = 0; i < run; i++)
888 *coeff_data++ = coeff;
889 }
890 }
891 }
892 CLOSE_READER(re, &gbit);
893 }
894
895 if (count > expected) {
896 av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n");
897 ret = AVERROR(EINVAL);
898 goto end;
899 }
900 if (s->peak.level)
901 peak_table(coeff_data - count, &s->peak, count);
902 if (s->difference_coding)
903 difference_coding(s->plane[s->channel_num].subband[s->subband_num_actual], highpass_width, highpass_height);
904
905 bytes = FFALIGN(AV_CEIL_RSHIFT(get_bits_count(&gbit), 3), 4);
906 if (bytes > bytestream2_get_bytes_left(&gb)) {
907 av_log(avctx, AV_LOG_ERROR, "Bitstream overread error\n");
908 ret = AVERROR(EINVAL);
909 goto end;
910 } else
911 bytestream2_seek(&gb, bytes, SEEK_CUR);
912
913 av_log(avctx, AV_LOG_DEBUG, "End subband coeffs %i extra %i\n", count, count - expected);
914 s->plane[s->channel_num].band[s->level][s->subband_num].read_ok = 1;
915finish:
916 if (s->subband_num_actual != 255)
917 s->codebook = 0;
918 }
919 }
920
921 s->planes = av_pix_fmt_count_planes(avctx->pix_fmt);
922 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
923 s->progressive = 1;
924 s->planes = 4;
925 }
926
927 ff_thread_finish_setup(avctx);
928
929 if (!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE ||
930 s->a_transform_type == INT_MIN) {
931 av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n");
932 ret = AVERROR(EINVAL);
933 goto end;
934 }
935
936 if (!got_buffer) {
937 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
938 ret = AVERROR(EINVAL);
939 goto end;
940 }
941
942 for (int plane = 0; plane < s->planes; plane++) {
943 for (int level = 0; level < (s->transform_type == 0 ? DWT_LEVELS : DWT_LEVELS_3D) ; level++) {
944 if (s->transform_type == 2)
945 if (level == 2 || level == 5)
946 continue;
947 for (int o = !!level; o < 4 ; o++) {
948 if (!s->plane[plane].band[level][o].read_ok) {
949 ret = AVERROR_INVALIDDATA;
950 goto end;
951 }
952 }
953 }
954 }
955
956 if (s->transform_type == 0 && s->sample_type != 1) {
957 for (int plane = 0; plane < s->planes && !ret; plane++) {
958 /* level 1 */
959 int lowpass_height = s->plane[plane].band[0][0].height;
960 int output_stride = s->plane[plane].band[0][0].a_width;
961 int lowpass_width = s->plane[plane].band[0][0].width;
962 int highpass_stride = s->plane[plane].band[0][1].stride;
963 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
964 ptrdiff_t dst_linesize;
965 int16_t *low, *high, *output, *dst;
966
967 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
968 act_plane = 0;
969 dst_linesize = pic->linesize[act_plane];
970 } else {
971 dst_linesize = pic->linesize[act_plane] / 2;
972 }
973
974 if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
975 !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width ||
976 lowpass_width < 3 || lowpass_height < 3) {
977 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
978 ret = AVERROR(EINVAL);
979 goto end;
980 }
981
982 av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
983
984 low = s->plane[plane].subband[0];
985 high = s->plane[plane].subband[2];
986 output = s->plane[plane].l_h[0];
987 dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height);
988
989 low = s->plane[plane].subband[1];
990 high = s->plane[plane].subband[3];
991 output = s->plane[plane].l_h[1];
992
993 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
994
995 low = s->plane[plane].l_h[0];
996 high = s->plane[plane].l_h[1];
997 output = s->plane[plane].subband[0];
998 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
999 if (s->bpc == 12) {
1000 output = s->plane[plane].subband[0];
1001 for (int i = 0; i < lowpass_height * 2; i++) {
1002 for (int j = 0; j < lowpass_width * 2; j++)
1003 output[j] *= 4;
1004
1005 output += output_stride * 2;
1006 }
1007 }
1008
1009 /* level 2 */
1010 lowpass_height = s->plane[plane].band[1][1].height;
1011 output_stride = s->plane[plane].band[1][1].a_width;
1012 lowpass_width = s->plane[plane].band[1][1].width;
1013 highpass_stride = s->plane[plane].band[1][1].stride;
1014
1015 if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width ||
1016 !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width ||
1017 lowpass_width < 3 || lowpass_height < 3) {
1018 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1019 ret = AVERROR(EINVAL);
1020 goto end;
1021 }
1022
1023 av_log(avctx, AV_LOG_DEBUG, "Level 2 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1024
1025 low = s->plane[plane].subband[0];
1026 high = s->plane[plane].subband[5];
1027 output = s->plane[plane].l_h[3];
1028 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1029
1030 low = s->plane[plane].subband[4];
1031 high = s->plane[plane].subband[6];
1032 output = s->plane[plane].l_h[4];
1033 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1034
1035 low = s->plane[plane].l_h[3];
1036 high = s->plane[plane].l_h[4];
1037 output = s->plane[plane].subband[0];
1038 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1039
1040 output = s->plane[plane].subband[0];
1041 for (int i = 0; i < lowpass_height * 2; i++) {
1042 for (int j = 0; j < lowpass_width * 2; j++)
1043 output[j] *= 4;
1044
1045 output += output_stride * 2;
1046 }
1047
1048 /* level 3 */
1049 lowpass_height = s->plane[plane].band[2][1].height;
1050 output_stride = s->plane[plane].band[2][1].a_width;
1051 lowpass_width = s->plane[plane].band[2][1].width;
1052 highpass_stride = s->plane[plane].band[2][1].stride;
1053
1054 if (lowpass_height > s->plane[plane].band[2][1].a_height || lowpass_width > s->plane[plane].band[2][1].a_width ||
1055 !highpass_stride || s->plane[plane].band[2][1].width > s->plane[plane].band[2][1].a_width ||
1056 lowpass_height < 3 || lowpass_width < 3 || lowpass_width * 2 > s->plane[plane].width) {
1057 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1058 ret = AVERROR(EINVAL);
1059 goto end;
1060 }
1061
1062 av_log(avctx, AV_LOG_DEBUG, "Level 3 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1063 if (s->progressive) {
1064 low = s->plane[plane].subband[0];
1065 high = s->plane[plane].subband[8];
1066 output = s->plane[plane].l_h[6];
1067 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1068
1069 low = s->plane[plane].subband[7];
1070 high = s->plane[plane].subband[9];
1071 output = s->plane[plane].l_h[7];
1072 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1073
1074 dst = (int16_t *)pic->data[act_plane];
1075 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1076 if (plane & 1)
1077 dst++;
1078 if (plane > 1)
1079 dst += pic->linesize[act_plane] >> 1;
1080 }
1081 low = s->plane[plane].l_h[6];
1082 high = s->plane[plane].l_h[7];
1083
1084 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1085 (lowpass_height * 2 > avctx->coded_height / 2 ||
1086 lowpass_width * 2 > avctx->coded_width / 2 )
1087 ) {
1088 ret = AVERROR_INVALIDDATA;
1089 goto end;
1090 }
1091
1092 for (int i = 0; i < s->plane[act_plane].height; i++) {
1093 dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1094 if (avctx->pix_fmt == AV_PIX_FMT_GBRAP12 && act_plane == 3)
1095 process_alpha(dst, lowpass_width * 2);
1096 low += output_stride;
1097 high += output_stride;
1098 dst += dst_linesize;
1099 }
1100 } else {
1101 av_log(avctx, AV_LOG_DEBUG, "interlaced frame ? %d", !!(pic->flags & AV_FRAME_FLAG_INTERLACED));
1102 pic->flags |= AV_FRAME_FLAG_INTERLACED;
1103 low = s->plane[plane].subband[0];
1104 high = s->plane[plane].subband[7];
1105 output = s->plane[plane].l_h[6];
1106 dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1107
1108 low = s->plane[plane].subband[8];
1109 high = s->plane[plane].subband[9];
1110 output = s->plane[plane].l_h[7];
1111 dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1112
1113 dst = (int16_t *)pic->data[act_plane];
1114 low = s->plane[plane].l_h[6];
1115 high = s->plane[plane].l_h[7];
1116 for (int i = 0; i < s->plane[act_plane].height / 2; i++) {
1117 interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane);
1118 low += output_stride * 2;
1119 high += output_stride * 2;
1120 dst += pic->linesize[act_plane];
1121 }
1122 }
1123 }
1124 } else if (s->transform_type == 2 && (avctx->internal->is_copy || s->frame_index == 1 || s->sample_type != 1)) {
1125 for (int plane = 0; plane < s->planes && !ret; plane++) {
1126 int lowpass_height = s->plane[plane].band[0][0].height;
1127 int output_stride = s->plane[plane].band[0][0].a_width;
1128 int lowpass_width = s->plane[plane].band[0][0].width;
1129 int highpass_stride = s->plane[plane].band[0][1].stride;
1130 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
1131 int16_t *low, *high, *output, *dst;
1132 ptrdiff_t dst_linesize;
1133
1134 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1135 act_plane = 0;
1136 dst_linesize = pic->linesize[act_plane];
1137 } else {
1138 dst_linesize = pic->linesize[act_plane] / 2;
1139 }
1140
1141 if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
1142 !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width ||
1143 lowpass_width < 3 || lowpass_height < 3) {
1144 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1145 ret = AVERROR(EINVAL);
1146 goto end;
1147 }
1148
1149 av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1150
1151 low = s->plane[plane].subband[0];
1152 high = s->plane[plane].subband[2];
1153 output = s->plane[plane].l_h[0];
1154 dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height);
1155
1156 low = s->plane[plane].subband[1];
1157 high = s->plane[plane].subband[3];
1158 output = s->plane[plane].l_h[1];
1159 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1160
1161 low = s->plane[plane].l_h[0];
1162 high = s->plane[plane].l_h[1];
1163 output = s->plane[plane].l_h[7];
1164 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1165 if (s->bpc == 12) {
1166 output = s->plane[plane].l_h[7];
1167 for (int i = 0; i < lowpass_height * 2; i++) {
1168 for (int j = 0; j < lowpass_width * 2; j++)
1169 output[j] *= 4;
1170
1171 output += output_stride * 2;
1172 }
1173 }
1174
1175 lowpass_height = s->plane[plane].band[1][1].height;
1176 output_stride = s->plane[plane].band[1][1].a_width;
1177 lowpass_width = s->plane[plane].band[1][1].width;
1178 highpass_stride = s->plane[plane].band[1][1].stride;
1179
1180 if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width ||
1181 !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width ||
1182 lowpass_width < 3 || lowpass_height < 3) {
1183 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1184 ret = AVERROR(EINVAL);
1185 goto end;
1186 }
1187
1188 av_log(avctx, AV_LOG_DEBUG, "Level 2 lowpass plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1189
1190 low = s->plane[plane].l_h[7];
1191 high = s->plane[plane].subband[5];
1192 output = s->plane[plane].l_h[3];
1193 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1194
1195 low = s->plane[plane].subband[4];
1196 high = s->plane[plane].subband[6];
1197 output = s->plane[plane].l_h[4];
1198 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1199
1200 low = s->plane[plane].l_h[3];
1201 high = s->plane[plane].l_h[4];
1202 output = s->plane[plane].l_h[7];
1203 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1204
1205 output = s->plane[plane].l_h[7];
1206 for (int i = 0; i < lowpass_height * 2; i++) {
1207 for (int j = 0; j < lowpass_width * 2; j++)
1208 output[j] *= 4;
1209 output += output_stride * 2;
1210 }
1211
1212 low = s->plane[plane].subband[7];
1213 high = s->plane[plane].subband[9];
1214 output = s->plane[plane].l_h[3];
1215 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1216
1217 low = s->plane[plane].subband[8];
1218 high = s->plane[plane].subband[10];
1219 output = s->plane[plane].l_h[4];
1220 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1221
1222 low = s->plane[plane].l_h[3];
1223 high = s->plane[plane].l_h[4];
1224 output = s->plane[plane].l_h[9];
1225 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1226
1227 lowpass_height = s->plane[plane].band[4][1].height;
1228 output_stride = s->plane[plane].band[4][1].a_width;
1229 lowpass_width = s->plane[plane].band[4][1].width;
1230 highpass_stride = s->plane[plane].band[4][1].stride;
1231 av_log(avctx, AV_LOG_DEBUG, "temporal level %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1232
1233 if (lowpass_height > s->plane[plane].band[4][1].a_height || lowpass_width > s->plane[plane].band[4][1].a_width ||
1234 !highpass_stride || s->plane[plane].band[4][1].width > s->plane[plane].band[4][1].a_width ||
1235 lowpass_width < 3 || lowpass_height < 3 || lowpass_width * 2 > s->plane[plane].width) {
1236 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1237 ret = AVERROR(EINVAL);
1238 goto end;
1239 }
1240
1241 low = s->plane[plane].l_h[7];
1242 high = s->plane[plane].l_h[9];
1243 output = s->plane[plane].l_h[7];
1244 for (int i = 0; i < lowpass_height; i++) {
1245 inverse_temporal_filter(low, high, lowpass_width);
1246 low += output_stride;
1247 high += output_stride;
1248 }
1249 if (s->progressive) {
1250 low = s->plane[plane].l_h[7];
1251 high = s->plane[plane].subband[15];
1252 output = s->plane[plane].l_h[6];
1253 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1254
1255 low = s->plane[plane].subband[14];
1256 high = s->plane[plane].subband[16];
1257 output = s->plane[plane].l_h[7];
1258 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1259
1260 low = s->plane[plane].l_h[9];
1261 high = s->plane[plane].subband[12];
1262 output = s->plane[plane].l_h[8];
1263 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1264
1265 low = s->plane[plane].subband[11];
1266 high = s->plane[plane].subband[13];
1267 output = s->plane[plane].l_h[9];
1268 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1269
1270 if (s->sample_type == 1)
1271 continue;
1272
1273 dst = (int16_t *)pic->data[act_plane];
1274 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1275 if (plane & 1)
1276 dst++;
1277 if (plane > 1)
1278 dst += pic->linesize[act_plane] >> 1;
1279 }
1280
1281 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1282 (lowpass_height * 2 > avctx->coded_height / 2 ||
1283 lowpass_width * 2 > avctx->coded_width / 2 )
1284 ) {
1285 ret = AVERROR_INVALIDDATA;
1286 goto end;
1287 }
1288
1289 low = s->plane[plane].l_h[6];
1290 high = s->plane[plane].l_h[7];
1291 for (int i = 0; i < s->plane[act_plane].height; i++) {
1292 dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1293 low += output_stride;
1294 high += output_stride;
1295 dst += dst_linesize;
1296 }
1297 } else {
1298 pic->flags |= AV_FRAME_FLAG_INTERLACED;
1299 low = s->plane[plane].l_h[7];
1300 high = s->plane[plane].subband[14];
1301 output = s->plane[plane].l_h[6];
1302 dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1303
1304 low = s->plane[plane].subband[15];
1305 high = s->plane[plane].subband[16];
1306 output = s->plane[plane].l_h[7];
1307 dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1308
1309 low = s->plane[plane].l_h[9];
1310 high = s->plane[plane].subband[11];
1311 output = s->plane[plane].l_h[8];
1312 dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1313
1314 low = s->plane[plane].subband[12];
1315 high = s->plane[plane].subband[13];
1316 output = s->plane[plane].l_h[9];
1317 dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1318
1319 if (s->sample_type == 1)
1320 continue;
1321
1322 dst = (int16_t *)pic->data[act_plane];
1323 low = s->plane[plane].l_h[6];
1324 high = s->plane[plane].l_h[7];
1325 for (int i = 0; i < s->plane[act_plane].height / 2; i++) {
1326 interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane);
1327 low += output_stride * 2;
1328 high += output_stride * 2;
1329 dst += pic->linesize[act_plane];
1330 }
1331 }
1332 }
1333 }
1334
1335 if (s->transform_type == 2 && s->sample_type == 1) {
1336 int16_t *low, *high, *dst;
1337 int output_stride, lowpass_height, lowpass_width;
1338 ptrdiff_t dst_linesize;
1339
1340 for (int plane = 0; plane < s->planes; plane++) {
1341 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
1342
1343 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1344 act_plane = 0;
1345 dst_linesize = pic->linesize[act_plane];
1346 } else {
1347 dst_linesize = pic->linesize[act_plane] / 2;
1348 }
1349
1350 lowpass_height = s->plane[plane].band[4][1].height;
1351 output_stride = s->plane[plane].band[4][1].a_width;
1352 lowpass_width = s->plane[plane].band[4][1].width;
1353
1354 if (lowpass_height > s->plane[plane].band[4][1].a_height || lowpass_width > s->plane[plane].band[4][1].a_width ||
1355 s->plane[plane].band[4][1].width > s->plane[plane].band[4][1].a_width ||
1356 lowpass_width < 3 || lowpass_height < 3 || lowpass_width * 2 > s->plane[plane].width) {
1357 av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1358 ret = AVERROR(EINVAL);
1359 goto end;
1360 }
1361
1362 if (s->progressive) {
1363 dst = (int16_t *)pic->data[act_plane];
1364 low = s->plane[plane].l_h[8];
1365 high = s->plane[plane].l_h[9];
1366
1367 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1368 if (plane & 1)
1369 dst++;
1370 if (plane > 1)
1371 dst += pic->linesize[act_plane] >> 1;
1372 }
1373
1374 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1375 (lowpass_height * 2 > avctx->coded_height / 2 ||
1376 lowpass_width * 2 > avctx->coded_width / 2 )
1377 ) {
1378 ret = AVERROR_INVALIDDATA;
1379 goto end;
1380 }
1381
1382 for (int i = 0; i < s->plane[act_plane].height; i++) {
1383 dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1384 low += output_stride;
1385 high += output_stride;
1386 dst += dst_linesize;
1387 }
1388 } else {
1389 dst = (int16_t *)pic->data[act_plane];
1390 low = s->plane[plane].l_h[8];
1391 high = s->plane[plane].l_h[9];
1392 for (int i = 0; i < s->plane[act_plane].height / 2; i++) {
1393 interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane);
1394 low += output_stride * 2;
1395 high += output_stride * 2;
1396 dst += pic->linesize[act_plane];
1397 }
1398 }
1399 }
1400 }
1401
1402 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16)
1403 process_bayer(pic, s->bpc);
1404end:
1405 if (ret < 0)
1406 return ret;
1407
1408 *got_frame = 1;
1409 return avpkt->size;
1410}
1411
1412static av_cold int cfhd_close(AVCodecContext *avctx)
1413{
1414 CFHDContext *s = avctx->priv_data;
1415
1416 free_buffers(s);
1417
1418 return 0;
1419}
1420
1421#if HAVE_THREADS
1422static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
1423{
1424 CFHDContext *psrc = src->priv_data;
1425 CFHDContext *pdst = dst->priv_data;
1426 int ret;
1427
1428 if (dst == src || psrc->transform_type == 0)
1429 return 0;
1430
1431 if (pdst->plane[0].idwt_size != psrc->plane[0].idwt_size ||
1432 pdst->a_format != psrc->a_format ||
1433 pdst->a_width != psrc->a_width ||
1434 pdst->a_height != psrc->a_height ||
1435 pdst->a_transform_type != psrc->a_transform_type)
1436 free_buffers(pdst);
1437
1438 pdst->a_format = psrc->a_format;
1439 pdst->a_width = psrc->a_width;
1440 pdst->a_height = psrc->a_height;
1441 pdst->a_transform_type = psrc->a_transform_type;
1442 pdst->transform_type = psrc->transform_type;
1443 pdst->progressive = psrc->progressive;
1444 pdst->planes = psrc->planes;
1445
1446 if (!pdst->plane[0].idwt_buf) {
1447 pdst->coded_width = pdst->a_width;
1448 pdst->coded_height = pdst->a_height;
1449 pdst->coded_format = pdst->a_format;
1450 pdst->transform_type = pdst->a_transform_type;
1451 ret = alloc_buffers(dst);
1452 if (ret < 0)
1453 return ret;
1454 }
1455
1456 for (int plane = 0; plane < pdst->planes; plane++) {
1457 memcpy(pdst->plane[plane].band, psrc->plane[plane].band, sizeof(pdst->plane[plane].band));
1458 memcpy(pdst->plane[plane].idwt_buf, psrc->plane[plane].idwt_buf,
1459 pdst->plane[plane].idwt_size * sizeof(int16_t));
1460 }
1461
1462 return 0;
1463}
1464#endif
1465
1466const FFCodec ff_cfhd_decoder = {
1467 .p.name = "cfhd",
1468 CODEC_LONG_NAME("GoPro CineForm HD"),
1469 .p.type = AVMEDIA_TYPE_VIDEO,
1470 .p.id = AV_CODEC_ID_CFHD,
1471 .priv_data_size = sizeof(CFHDContext),
1472 .init = cfhd_init,
1473 .close = cfhd_close,
1474 FF_CODEC_DECODE_CB(cfhd_decode),
1475 UPDATE_THREAD_CONTEXT(update_thread_context),
1476 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
1477 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1478};
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition dsp.h:97
SampleType
int32_t SampleType
Definition ac3enc.h:66
val
static double val(void *priv, double ch)
Definition aeval.c:77
ff_cfhd_decoder
const FFCodec ff_cfhd_decoder
Definition cfhd.c:1466
finish
static void finish(void)
Definition api-movenc-test.c:374
close
static av_cold void close(AVCodecParserContext *s)
Definition apv_parser.c:197
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition avassert.h:42
avcodec.h
Libavcodec external API header.
bytestream2_skipu
static av_always_inline void bytestream2_skipu(GetByteContext *g, unsigned int size)
Definition bytestream.h:174
bytestream2_get_bytes_left
static av_always_inline int bytestream2_get_bytes_left(const GetByteContext *g)
Definition bytestream.h:158
bytestream2_init
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
Definition bytestream.h:137
bytestream2_seek
static av_always_inline int bytestream2_seek(GetByteContext *g, int offset, int whence)
Definition bytestream.h:212
bytestream2_tell
static av_always_inline int bytestream2_tell(const GetByteContext *g)
Definition bytestream.h:192
i
#define i(width, name, range_min, range_max)
Definition cbs_h264.c:63
s
#define s(width, name)
Definition cbs_vp9.c:198
difference_coding
static void difference_coding(int16_t *band, int width, int height)
Definition cfhd.c:119
cfhd_init
static av_cold int cfhd_init(AVCodecContext *avctx)
Definition cfhd.c:45
interlaced_vertical_filter
static void interlaced_vertical_filter(int16_t *output, int16_t *low, int16_t *high, int width, int linesize, int plane)
Definition cfhd.c:193
cfhd_decode
static int cfhd_decode(AVCodecContext *avctx, AVFrame *pic, int *got_frame, AVPacket *avpkt)
Definition cfhd.c:372
inverse_temporal_filter
static void inverse_temporal_filter(int16_t *low, int16_t *high, int width)
Definition cfhd.c:204
ALPHA_COMPAND_GAIN
#define ALPHA_COMPAND_GAIN
Definition cfhd.c:43
init_plane_defaults
static void init_plane_defaults(CFHDContext *s)
Definition cfhd.c:75
process_alpha
static void process_alpha(int16_t *alpha, int width)
Definition cfhd.c:136
alloc_buffers
static int alloc_buffers(AVCodecContext *avctx)
Definition cfhd.c:241
init_frame_defaults
static void init_frame_defaults(CFHDContext *s)
Definition cfhd.c:89
ALPHA_COMPAND_DC_OFFSET
#define ALPHA_COMPAND_DC_OFFSET
Definition cfhd.c:42
process_bayer
static void process_bayer(AVFrame *frame, int bpc)
Definition cfhd.c:149
peak_table
static void peak_table(int16_t *band, Peak *peak, int length)
Definition cfhd.c:129
cfhd_close
static av_cold int cfhd_close(AVCodecContext *avctx)
Definition cfhd.c:1412
init_peak_table_defaults
static void init_peak_table_defaults(CFHDContext *s)
Definition cfhd.c:82
free_buffers
static void free_buffers(CFHDContext *s)
Definition cfhd.c:215
dequant_and_decompand
static int dequant_and_decompand(CFHDContext *s, int level, int quantisation, int codebook)
Definition cfhd.c:111
DWT_LEVELS
#define DWT_LEVELS
Definition cfhd.h:113
CoefficientSegment
@ CoefficientSegment
Definition cfhd.h:100
ff_cfhd_init_vlcs
int ff_cfhd_init_vlcs(CFHDContext *s)
Definition cfhddata.c:181
SUBBAND_COUNT
#define SUBBAND_COUNT
Definition cfhd.h:104
VLC_BITS
#define VLC_BITS
Definition cfhd.h:103
Quantization
@ Quantization
Definition cfhd.h:72
SampleFlags
@ SampleFlags
Definition cfhd.h:77
BandHeight
@ BandHeight
Definition cfhd.h:69
HighpassWidth
@ HighpassWidth
Definition cfhd.h:61
SampleIndexTable
@ SampleIndexTable
Definition cfhd.h:32
VersionMajor
@ VersionMajor
Definition cfhd.h:34
EncodedFormat
@ EncodedFormat
Definition cfhd.h:88
BandWidth
@ BandWidth
Definition cfhd.h:68
PeakOffsetLow
@ PeakOffsetLow
Definition cfhd.h:83
LowpassHeight
@ LowpassHeight
Definition cfhd.h:53
BandSecondPass
@ BandSecondPass
Definition cfhd.h:86
LowpassPrecision
@ LowpassPrecision
Definition cfhd.h:56
SubbandNumber
@ SubbandNumber
Definition cfhd.h:67
BandHeader
@ BandHeader
Definition cfhd.h:74
BitstreamMarker
@ BitstreamMarker
Definition cfhd.h:33
PeakLevel
@ PeakLevel
Definition cfhd.h:82
PrescaleTable
@ PrescaleTable
Definition cfhd.h:87
HighpassHeight
@ HighpassHeight
Definition cfhd.h:62
VersionEdit
@ VersionEdit
Definition cfhd.h:37
ImageWidth
@ ImageWidth
Definition cfhd.h:47
LowpassWidth
@ LowpassWidth
Definition cfhd.h:52
BandEncoding
@ BandEncoding
Definition cfhd.h:71
DisplayHeight
@ DisplayHeight
Definition cfhd.h:89
PeakOffsetHigh
@ PeakOffsetHigh
Definition cfhd.h:84
BandCodingFlags
@ BandCodingFlags
Definition cfhd.h:81
Version
@ Version
Definition cfhd.h:85
Precision
@ Precision
Definition cfhd.h:79
VersionRevision
@ VersionRevision
Definition cfhd.h:36
ChannelCount
@ ChannelCount
Definition cfhd.h:40
ImageHeight
@ ImageHeight
Definition cfhd.h:48
SubbandBand
@ SubbandBand
Definition cfhd.h:70
ChannelNumber
@ ChannelNumber
Definition cfhd.h:76
VersionMinor
@ VersionMinor
Definition cfhd.h:35
SubbandCount
@ SubbandCount
Definition cfhd.h:42
InputFormat
@ InputFormat
Definition cfhd.h:80
FrameIndex
@ FrameIndex
Definition cfhd.h:49
DWT_LEVELS_3D
#define DWT_LEVELS_3D
Definition cfhd.h:114
SUBBAND_COUNT_3D
#define SUBBAND_COUNT_3D
Definition cfhd.h:105
ff_cfhddsp_init
av_cold void ff_cfhddsp_init(CFHDDSPContext *c, int depth, int bayer)
Definition cfhddsp.c:105
codebook
static const unsigned codebook[256][2]
Definition cfhdenc.c:41
codec_internal.h
UPDATE_THREAD_CONTEXT
#define UPDATE_THREAD_CONTEXT(func)
Definition codec_internal.h:376
FF_CODEC_DECODE_CB
#define FF_CODEC_DECODE_CB(func)
Definition codec_internal.h:382
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition codec_internal.h:367
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition codec_internal.h:43
common.h
common internal and external API header
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition common.h:60
av_clip_uintp2
#define av_clip_uintp2
Definition common.h:124
FFSIGN
#define FFSIGN(a)
Definition common.h:75
NULL
#define NULL
Definition coverity.c:32
abs
#define abs(x)
Definition cuda_runtime.h:35
ff_set_dimensions
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Definition utils.c:91
frame
static AVFrame * frame
Definition demux_decode.c:54
high
int high
Definition dovi_rpuenc.c:39
init
int(* init)(AVBSFContext *ctx)
Definition dts2pts.c:608
channel
channel
Use these values when setting the channel map with ebur128_set_channel().
Definition ebur128.h:39
FrameType
FrameType
G723.1 frame types.
Definition g723_1.h:63
get_bits.h
bitstream reader API header.
CLOSE_READER
#define CLOSE_READER(name, gb)
Definition get_bits.h:189
OPEN_READER
#define OPEN_READER(name, gb)
Definition get_bits.h:182
GET_RL_VLC
#define GET_RL_VLC(level, run, name, gb, table, bits, max_depth, need_update)
Definition get_bits.h:602
UPDATE_CACHE
#define UPDATE_CACHE(name, gb)
Definition get_bits.h:213
init_get_bits8
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
Definition get_bits.h:544
get_bits_count
static int get_bits_count(const GetBitContext *s)
Definition get_bits.h:254
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition codec.h:49
AV_CODEC_CAP_FRAME_THREADS
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
Definition codec.h:98
AV_CODEC_ID_CFHD
@ AV_CODEC_ID_CFHD
Definition codec_id.h:262
AVERROR_PATCHWELCOME
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition error.h:64
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition error.h:61
AVERROR
#define AVERROR(e)
Definition error.h:45
AV_FRAME_FLAG_INTERLACED
#define AV_FRAME_FLAG_INTERLACED
A flag to mark frames whose content is interlaced.
Definition frame.h:702
AV_LOG_DEBUG
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition log.h:231
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition log.h:216
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition log.h:210
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition avutil.h:200
av_image_check_size2
int av_image_check_size2(unsigned int w, unsigned int h, int64_t max_pixels, enum AVPixelFormat pix_fmt, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of a plane of an image with...
Definition imgutils.c:289
B
#define B
Definition huffyuv.h:42
R
#define R
Definition huffyuv.h:44
alpha
static const int16_t alpha[]
Definition ilbcdata.h:55
imgutils.h
misc image utilities
r
#define r
Definition input.c:42
b
#define b
Definition input.c:43
G2
#define G2(m)
Definition itx_1d.c:64
offset
unsigned offset
Definition libaomenc.c:763
internal.h
common internal api header.
thread.h
Multithreading API for decoders.
factor
static const int factor[16]
Definition vf_pp7.c:98
attributes.h
Macro definitions for various function/variable attributes.
av_cold
#define av_cold
Definition attributes.h:117
avpriv_report_missing_feature
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
planes
static const struct @257111027162314367033347246032313251342043035002 planes[]
FFALIGN
#define FFALIGN(x, a)
Definition macros.h:78
av_calloc
void * av_calloc(size_t nmemb, size_t size)
Definition mem.c:370
mem.h
Memory handling functions.
tag
uint32_t tag
Definition movenc.c:2128
data
const char data[16]
Definition mxf.c:149
av_pix_fmt_count_planes
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition pixdesc.c:3524
av_pix_fmt_get_chroma_sub_sample
int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
Utility function to access log2_chroma_w log2_chroma_h from the pixel format AVPixFmtDescriptor.
Definition pixdesc.c:3512
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition pixfmt.h:572
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition pixfmt.h:549
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition pixfmt.h:568
AV_PIX_FMT_BAYER_RGGB16
#define AV_PIX_FMT_BAYER_RGGB16
Definition pixfmt.h:581
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition pixfmt.h:72
ff_thread_get_buffer
int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f, int flags)
Wrapper around get_buffer() for frame-multithreaded codecs.
Definition pthread_frame.c:1038
ff_thread_finish_setup
void ff_thread_finish_setup(AVCodecContext *avctx)
If the codec defines update_thread_context(), call this when they are ready for the next thread to st...
Definition pthread_frame.c:666
even
static int even(int64_t layout)
Definition rematrix.c:93
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition sinewin_tablegen.c:29
AVCodecContext
main external API structure.
Definition avcodec.h:443
AVCodecContext::pix_fmt
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition avcodec.h:643
AVCodecContext::max_pixels
int64_t max_pixels
The number of pixels per image to maximally accept.
Definition avcodec.h:1792
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition avcodec.h:1576
AVCodecContext::coded_width
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition avcodec.h:619
AVCodecContext::internal
struct AVCodecInternal * internal
Private context used for internal data.
Definition avcodec.h:478
AVCodecContext::priv_data
void * priv_data
Definition avcodec.h:470
AVCodecInternal::is_copy
int is_copy
When using frame-threaded decoding, this field is set for the first worker thread (e....
Definition internal.h:54
AVFrame
This structure describes decoded (raw) audio or video data.
Definition frame.h:479
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition frame.h:500
AVFrame::width
int width
Definition frame.h:551
AVFrame::height
int height
Definition frame.h:551
AVFrame::flags
int flags
Frame flags, a combination of AV_FRAME_FLAGS.
Definition frame.h:723
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, a positive or negative value, which is typically indicating the size in bytes of each pict...
Definition frame.h:524
AVPacket
This structure stores compressed data.
Definition packet.h:580
AVPacket::size
int size
Definition packet.h:604
AVPacket::data
uint8_t * data
Definition packet.h:603
CFHDContext::coded_format
enum AVPixelFormat coded_format
Definition cfhd.h:163
CFHDContext::a_format
int a_format
Definition cfhd.h:168
CFHDContext::plane
Plane plane[4]
Definition cfhd.h:186
CFHDContext::coded_width
int coded_width
Definition cfhd.h:160
CFHDContext::planes
int planes
Definition cfhd.h:155
CFHDContext::a_transform_type
int a_transform_type
Definition cfhd.h:169
CFHDContext::progressive
int progressive
Definition cfhd.h:164
CFHDContext::transform_type
int transform_type
Definition cfhd.h:159
CFHDContext::a_height
int a_height
Definition cfhd.h:167
CFHDContext::a_width
int a_width
Definition cfhd.h:166
CFHDContext::coded_height
int coded_height
Definition cfhd.h:161
CFHDDSPContext::horiz_filter_clip
void(* horiz_filter_clip)(int16_t *output, const int16_t *low, const int16_t *high, int width, int bpc)
Definition cfhddsp.h:36
CFHDDSPContext::vert_filter
void(* vert_filter)(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int width, int height)
Definition cfhddsp.h:31
CFHDDSPContext::horiz_filter
void(* horiz_filter)(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int width, int height)
Definition cfhddsp.h:26
GetByteContext::buffer
const uint8_t * buffer
Definition bytestream.h:34
Peak
Definition cfhd.h:141
Peak::base
GetByteContext base
Definition cfhd.h:144
Peak::level
int level
Definition cfhd.h:142
Plane
Definition cfhd.h:125
Plane::idwt_size
int idwt_size
Definition cfhd.h:132
Plane::band
SubBand band[DWT_LEVELS_3D][4]
Definition cfhd.h:138
Plane::idwt_buf
int16_t * idwt_buf
Definition cfhd.h:130
run
uint8_t run
Definition svq3.c:207
level
uint8_t level
Definition svq3.c:208
stride
#define stride
Definition h264pred_template.c:536
av_malloc_array
#define av_malloc_array(a, b)
Definition tableprint_vlc.h:32
av_freep
#define av_freep(p)
Definition tableprint_vlc.h:35
av_log
#define av_log(a,...)
Definition tableprint_vlc.h:27
src
#define src
Definition vp8dsp.c:248
height
#define height
Definition dsp.h:99
width
#define width
Definition dsp.h:99
g
const char * g
Definition vf_curves.c:128
coeff
static const double coeff[2][5]
Definition vf_owdenoise.c:80
TransformType
TransformType
Definition webp.c:119
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