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 p->band[j][0].read_ok =
231 p->band[j][1].read_ok =
232 p->band[j][2].read_ok =
233 p->band[j][3].read_ok = 0;
234 }
235 s->a_height = 0;
236 s->a_width = 0;
237 s->a_transform_type = INT_MIN;
238}
239
240static int alloc_buffers(AVCodecContext *avctx)
241{
242 CFHDContext *s = avctx->priv_data;
243 int ret, planes, bayer = 0;
244 int chroma_x_shift, chroma_y_shift;
245
246 if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0)
247 return ret;
248 avctx->pix_fmt = s->coded_format;
249
250 ff_cfhddsp_init(&s->dsp, s->bpc, avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
251
252 if ((ret = av_pix_fmt_get_chroma_sub_sample(s->coded_format,
253 &chroma_x_shift,
254 &chroma_y_shift)) < 0)
255 return ret;
256 planes = av_pix_fmt_count_planes(s->coded_format);
257 if (s->coded_format == AV_PIX_FMT_BAYER_RGGB16) {
258 planes = 4;
259 chroma_x_shift = 1;
260 chroma_y_shift = 1;
261 bayer = 1;
262 }
263
264 for (int i = 0; i < planes; i++) {
265 int w8, h8, w4, h4, w2, h2;
266 int width = (i || bayer) ? s->coded_width >> chroma_x_shift : s->coded_width;
267 int height = (i || bayer) ? s->coded_height >> chroma_y_shift : s->coded_height;
268 ptrdiff_t stride = (FFALIGN(width / 8, 8) + 64) * 8;
269
270 if ((ret = av_image_check_size2(stride, height, avctx->max_pixels, s->coded_format, 0, avctx)) < 0)
271 return ret;
272
273 if (chroma_y_shift && !bayer)
274 height = FFALIGN(height / 8, 2) * 8;
275 s->plane[i].width = width;
276 s->plane[i].height = height;
277 s->plane[i].stride = stride;
278
279 w8 = FFALIGN(s->plane[i].width / 8, 8) + 64;
280 h8 = FFALIGN(height, 8) / 8;
281 w4 = w8 * 2;
282 h4 = h8 * 2;
283 w2 = w4 * 2;
284 h2 = h4 * 2;
285
286 if (s->transform_type == 0) {
287 s->plane[i].idwt_size = FFALIGN(height, 8) * stride;
288 s->plane[i].idwt_buf =
289 av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
290 s->plane[i].idwt_tmp =
291 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
292 } else {
293 s->plane[i].idwt_size = FFALIGN(height, 8) * stride * 2;
294 s->plane[i].idwt_buf =
295 av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
296 s->plane[i].idwt_tmp =
297 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
298 }
299
300 if (!s->plane[i].idwt_buf || !s->plane[i].idwt_tmp)
301 return AVERROR(ENOMEM);
302
303 s->plane[i].subband[0] = s->plane[i].idwt_buf;
304 s->plane[i].subband[1] = s->plane[i].idwt_buf + 2 * w8 * h8;
305 s->plane[i].subband[2] = s->plane[i].idwt_buf + 1 * w8 * h8;
306 s->plane[i].subband[3] = s->plane[i].idwt_buf + 3 * w8 * h8;
307 s->plane[i].subband[4] = s->plane[i].idwt_buf + 2 * w4 * h4;
308 s->plane[i].subband[5] = s->plane[i].idwt_buf + 1 * w4 * h4;
309 s->plane[i].subband[6] = s->plane[i].idwt_buf + 3 * w4 * h4;
310 if (s->transform_type == 0) {
311 s->plane[i].subband[7] = s->plane[i].idwt_buf + 2 * w2 * h2;
312 s->plane[i].subband[8] = s->plane[i].idwt_buf + 1 * w2 * h2;
313 s->plane[i].subband[9] = s->plane[i].idwt_buf + 3 * w2 * h2;
314 } else {
315 int16_t *frame2 =
316 s->plane[i].subband[7] = s->plane[i].idwt_buf + 4 * w2 * h2;
317 s->plane[i].subband[8] = frame2 + 2 * w4 * h4;
318 s->plane[i].subband[9] = frame2 + 1 * w4 * h4;
319 s->plane[i].subband[10] = frame2 + 3 * w4 * h4;
320 s->plane[i].subband[11] = frame2 + 2 * w2 * h2;
321 s->plane[i].subband[12] = frame2 + 1 * w2 * h2;
322 s->plane[i].subband[13] = frame2 + 3 * w2 * h2;
323 s->plane[i].subband[14] = s->plane[i].idwt_buf + 2 * w2 * h2;
324 s->plane[i].subband[15] = s->plane[i].idwt_buf + 1 * w2 * h2;
325 s->plane[i].subband[16] = s->plane[i].idwt_buf + 3 * w2 * h2;
326 }
327
328 if (s->transform_type == 0) {
329 for (int j = 0; j < DWT_LEVELS; j++) {
330 for (unsigned k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
331 s->plane[i].band[j][k].a_width = w8 << j;
332 s->plane[i].band[j][k].a_height = h8 << j;
333 }
334 }
335 } else {
336 for (int j = 0; j < DWT_LEVELS_3D; j++) {
337 int t = j < 1 ? 0 : (j < 3 ? 1 : 2);
338
339 for (unsigned k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
340 s->plane[i].band[j][k].a_width = w8 << t;
341 s->plane[i].band[j][k].a_height = h8 << t;
342 }
343 }
344 }
345
346 /* ll2 and ll1 commented out because they are done in-place */
347 s->plane[i].l_h[0] = s->plane[i].idwt_tmp;
348 s->plane[i].l_h[1] = s->plane[i].idwt_tmp + 2 * w8 * h8;
349 // s->plane[i].l_h[2] = ll2;
350 s->plane[i].l_h[3] = s->plane[i].idwt_tmp;
351 s->plane[i].l_h[4] = s->plane[i].idwt_tmp + 2 * w4 * h4;
352 // s->plane[i].l_h[5] = ll1;
353 s->plane[i].l_h[6] = s->plane[i].idwt_tmp;
354 s->plane[i].l_h[7] = s->plane[i].idwt_tmp + 2 * w2 * h2;
355 if (s->transform_type != 0) {
356 int16_t *frame2 = s->plane[i].idwt_tmp + 4 * w2 * h2;
357
358 s->plane[i].l_h[8] = frame2;
359 s->plane[i].l_h[9] = frame2 + 2 * w2 * h2;
360 }
361 }
362
363 s->a_transform_type = s->transform_type;
364 s->a_height = s->coded_height;
365 s->a_width = s->coded_width;
366 s->a_format = s->coded_format;
367
368 return 0;
369}
370
371static int cfhd_decode(AVCodecContext *avctx, AVFrame *pic,
372 int *got_frame, AVPacket *avpkt)
373{
374 CFHDContext *s = avctx->priv_data;
375 CFHDDSPContext *dsp = &s->dsp;
376 GetByteContext gb;
377 int ret = 0, got_buffer = 0;
378
379 init_frame_defaults(s);
380 s->planes = av_pix_fmt_count_planes(s->coded_format);
381
382 bytestream2_init(&gb, avpkt->data, avpkt->size);
383
384 while (bytestream2_get_bytes_left(&gb) >= 4) {
385 /* Bit weird but implement the tag parsing as the spec says */
386 uint16_t tagu = bytestream2_get_be16(&gb);
387 int16_t tag = (int16_t)tagu;
388 int8_t tag8 = (int8_t)(tagu >> 8);
389 uint16_t abstag = abs(tag);
390 int8_t abs_tag8 = abs(tag8);
391 uint16_t data = bytestream2_get_be16(&gb);
392 int16_t *coeff_data;
393
394 if (abs_tag8 >= 0x60 && abs_tag8 <= 0x6f) {
395 av_log(avctx, AV_LOG_DEBUG, "large len %x\n", ((tagu & 0xff) << 16) | data);
396 } else if (tag == SampleFlags) {
397 av_log(avctx, AV_LOG_DEBUG, "Progressive? %"PRIu16"\n", data);
398 s->progressive = data & 0x0001;
399 } else if (tag == FrameType) {
400 s->frame_type = data;
401 av_log(avctx, AV_LOG_DEBUG, "Frame type %"PRIu16"\n", data);
402 } else if (abstag == VersionMajor) {
403 av_log(avctx, AV_LOG_DEBUG, "Version major %"PRIu16"\n", data);
404 } else if (abstag == VersionMinor) {
405 av_log(avctx, AV_LOG_DEBUG, "Version minor %"PRIu16"\n", data);
406 } else if (abstag == VersionRevision) {
407 av_log(avctx, AV_LOG_DEBUG, "Version revision %"PRIu16"\n", data);
408 } else if (abstag == VersionEdit) {
409 av_log(avctx, AV_LOG_DEBUG, "Version edit %"PRIu16"\n", data);
410 } else if (abstag == Version) {
411 av_log(avctx, AV_LOG_DEBUG, "Version %"PRIu16"\n", data);
412 } else if (tag == ImageWidth) {
413 av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data);
414 s->coded_width = data;
415 } else if (tag == ImageHeight) {
416 av_log(avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data);
417 s->coded_height = data;
418 } else if (tag == ChannelCount) {
419 av_log(avctx, AV_LOG_DEBUG, "Channel Count: %"PRIu16"\n", data);
420 s->channel_cnt = data;
421 if (data > 4) {
422 av_log(avctx, AV_LOG_ERROR, "Channel Count of %"PRIu16" is unsupported\n", data);
423 ret = AVERROR_PATCHWELCOME;
424 goto end;
425 }
426 } else if (tag == SubbandCount) {
427 av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data);
428 if (data != SUBBAND_COUNT && data != SUBBAND_COUNT_3D) {
429 av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data);
430 ret = AVERROR_PATCHWELCOME;
431 goto end;
432 }
433 } else if (tag == ChannelNumber) {
434 s->channel_num = data;
435 av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data);
436 if (s->channel_num >= s->planes) {
437 av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n");
438 ret = AVERROR(EINVAL);
439 goto end;
440 }
441 init_plane_defaults(s);
442 } else if (tag == SubbandNumber) {
443 if (s->subband_num != 0 && data == 1 && (s->transform_type == 0 || s->transform_type == 2)) // hack
444 s->level++;
445 av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data);
446 s->subband_num = data;
447 if ((s->transform_type == 0 && s->level >= DWT_LEVELS) ||
448 (s->transform_type == 2 && s->level >= DWT_LEVELS_3D)) {
449 av_log(avctx, AV_LOG_ERROR, "Invalid level\n");
450 ret = AVERROR(EINVAL);
451 goto end;
452 }
453 if (s->subband_num > 3) {
454 av_log(avctx, AV_LOG_ERROR, "Invalid subband number\n");
455 ret = AVERROR(EINVAL);
456 goto end;
457 }
458 } else if (tag == SubbandBand) {
459 av_log(avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data);
460 if ((s->transform_type == 0 && data >= SUBBAND_COUNT) ||
461 (s->transform_type == 2 && data >= SUBBAND_COUNT_3D && data != 255)) {
462 av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n");
463 ret = AVERROR(EINVAL);
464 goto end;
465 }
466 if (s->transform_type == 0 || s->transform_type == 2)
467 s->subband_num_actual = data;
468 else
469 av_log(avctx, AV_LOG_WARNING, "Ignoring subband num actual %"PRIu16"\n", data);
470 } else if (tag == LowpassPrecision)
471 av_log(avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data);
472 else if (tag == Quantization) {
473 s->quantisation = data;
474 av_log(avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data);
475 } else if (tag == PrescaleTable) {
476 for (int i = 0; i < 8; i++)
477 s->prescale_table[i] = (data >> (14 - i * 2)) & 0x3;
478 av_log(avctx, AV_LOG_DEBUG, "Prescale table: %x\n", data);
479 } else if (tag == BandEncoding) {
480 if (!data || data > 5) {
481 av_log(avctx, AV_LOG_ERROR, "Invalid band encoding\n");
482 ret = AVERROR(EINVAL);
483 goto end;
484 }
485 s->band_encoding = data;
486 av_log(avctx, AV_LOG_DEBUG, "Encode Method for Subband %d : %x\n", s->subband_num_actual, data);
487 } else if (tag == LowpassWidth) {
488 av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data);
489 s->plane[s->channel_num].band[0][0].width = data;
490 s->plane[s->channel_num].band[0][0].stride = data;
491 } else if (tag == LowpassHeight) {
492 av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
493 s->plane[s->channel_num].band[0][0].height = data;
494 } else if (tag == SampleType) {
495 s->sample_type = data;
496 av_log(avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data);
497 } else if (tag == TransformType) {
498 if (data > 2) {
499 av_log(avctx, AV_LOG_ERROR, "Invalid transform type\n");
500 ret = AVERROR(EINVAL);
501 goto end;
502 } else if (data == 1) {
503 av_log(avctx, AV_LOG_ERROR, "unsupported transform type\n");
504 ret = AVERROR_PATCHWELCOME;
505 goto end;
506 }
507 if (s->transform_type == -1) {
508 s->transform_type = data;
509 av_log(avctx, AV_LOG_DEBUG, "Transform type %"PRIu16"\n", data);
510 } else {
511 av_log(avctx, AV_LOG_DEBUG, "Ignoring additional transform type %"PRIu16"\n", data);
512 }
513 } else if (abstag >= 0x4000 && abstag <= 0x40ff) {
514 if (abstag == 0x4001)
515 s->peak.level = 0;
516 av_log(avctx, AV_LOG_DEBUG, "Small chunk length %d %s\n", data * 4, tag < 0 ? "optional" : "required");
517 bytestream2_skipu(&gb, data * 4);
518 } else if (tag == FrameIndex) {
519 av_log(avctx, AV_LOG_DEBUG, "Frame index %"PRIu16"\n", data);
520 s->frame_index = data;
521 } else if (tag == SampleIndexTable) {
522 av_log(avctx, AV_LOG_DEBUG, "Sample index table - skipping %i values\n", data);
523 if (data > bytestream2_get_bytes_left(&gb) / 4) {
524 av_log(avctx, AV_LOG_ERROR, "too many values (%d)\n", data);
525 ret = AVERROR_INVALIDDATA;
526 goto end;
527 }
528 for (int i = 0; i < data; i++) {
529 uint32_t offset = bytestream2_get_be32(&gb);
530 av_log(avctx, AV_LOG_DEBUG, "Offset = %"PRIu32"\n", offset);
531 }
532 } else if (tag == HighpassWidth) {
533 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);
534 if (data < 3) {
535 av_log(avctx, AV_LOG_ERROR, "Invalid highpass width\n");
536 ret = AVERROR(EINVAL);
537 goto end;
538 }
539 s->plane[s->channel_num].band[s->level][s->subband_num].width = data;
540 s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
541 } else if (tag == HighpassHeight) {
542 av_log(avctx, AV_LOG_DEBUG, "Highpass height %i\n", data);
543 if (data < 3) {
544 av_log(avctx, AV_LOG_ERROR, "Invalid highpass height\n");
545 ret = AVERROR(EINVAL);
546 goto end;
547 }
548 s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
549 } else if (tag == BandWidth) {
550 av_log(avctx, AV_LOG_DEBUG, "Highpass width2 %i\n", data);
551 if (data < 3) {
552 av_log(avctx, AV_LOG_ERROR, "Invalid highpass width2\n");
553 ret = AVERROR(EINVAL);
554 goto end;
555 }
556 s->plane[s->channel_num].band[s->level][s->subband_num].width = data;
557 s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
558 } else if (tag == BandHeight) {
559 av_log(avctx, AV_LOG_DEBUG, "Highpass height2 %i\n", data);
560 if (data < 3) {
561 av_log(avctx, AV_LOG_ERROR, "Invalid highpass height2\n");
562 ret = AVERROR(EINVAL);
563 goto end;
564 }
565 s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
566 } else if (tag == InputFormat) {
567 av_log(avctx, AV_LOG_DEBUG, "Input format %i\n", data);
568 if (s->coded_format == AV_PIX_FMT_NONE ||
569 s->coded_format == AV_PIX_FMT_YUV422P10) {
570 if (data >= 100 && data <= 105) {
571 s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
572 } else if (data >= 122 && data <= 128) {
573 s->coded_format = AV_PIX_FMT_GBRP12;
574 } else if (data == 30) {
575 s->coded_format = AV_PIX_FMT_GBRAP12;
576 } else {
577 s->coded_format = AV_PIX_FMT_YUV422P10;
578 }
579 s->planes = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 4 : av_pix_fmt_count_planes(s->coded_format);
580 }
581 } else if (tag == BandCodingFlags) {
582 s->codebook = data & 0xf;
583 s->difference_coding = (data >> 4) & 1;
584 av_log(avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook);
585 } else if (tag == Precision) {
586 av_log(avctx, AV_LOG_DEBUG, "Precision %i\n", data);
587 if (!(data == 10 || data == 12)) {
588 av_log(avctx, AV_LOG_ERROR, "Invalid bits per channel\n");
589 ret = AVERROR(EINVAL);
590 goto end;
591 }
592 avctx->bits_per_raw_sample = s->bpc = data;
593 } else if (tag == EncodedFormat) {
594 av_log(avctx, AV_LOG_DEBUG, "Sample format? %i\n", data);
595 if (data == 1) {
596 s->coded_format = AV_PIX_FMT_YUV422P10;
597 } else if (data == 2) {
598 s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
599 } else if (data == 3) {
600 s->coded_format = AV_PIX_FMT_GBRP12;
601 } else if (data == 4) {
602 s->coded_format = AV_PIX_FMT_GBRAP12;
603 } else {
604 avpriv_report_missing_feature(avctx, "Sample format of %"PRIu16, data);
605 ret = AVERROR_PATCHWELCOME;
606 goto end;
607 }
608 s->planes = data == 2 ? 4 : av_pix_fmt_count_planes(s->coded_format);
609 } else if (tag == -DisplayHeight) {
610 av_log(avctx, AV_LOG_DEBUG, "Cropped height %"PRIu16"\n", data);
611 s->cropped_height = data;
612 } else if (tag == -PeakOffsetLow) {
613 s->peak.offset &= ~0xffff;
614 s->peak.offset |= (data & 0xffff);
615 s->peak.base = gb;
616 s->peak.level = 0;
617 } else if (tag == -PeakOffsetHigh) {
618 s->peak.offset &= 0xffff;
619 s->peak.offset |= (data & 0xffffU)<<16;
620 s->peak.base = gb;
621 s->peak.level = 0;
622 } else if (tag == -PeakLevel && s->peak.offset) {
623 s->peak.level = data;
624 if (s->peak.offset < 4 - bytestream2_tell(&s->peak.base) ||
625 s->peak.offset > 4 + bytestream2_get_bytes_left(&s->peak.base)
626 ) {
627 ret = AVERROR_INVALIDDATA;
628 goto end;
629 }
630 bytestream2_seek(&s->peak.base, s->peak.offset - 4, SEEK_CUR);
631 } else
632 av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data);
633
634 if (tag == BitstreamMarker && data == CoefficientSegment &&
635 s->coded_format != AV_PIX_FMT_NONE) {
636 int lowpass_height = s->plane[s->channel_num].band[0][0].height;
637 int lowpass_width = s->plane[s->channel_num].band[0][0].width;
638 int factor = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 2 : 1;
639
640 if (s->coded_width) {
641 s->coded_width *= factor;
642 }
643
644 if (s->coded_height) {
645 s->coded_height *= factor;
646 }
647
648 if (!s->a_width && !s->coded_width) {
649 s->coded_width = lowpass_width * factor * 8;
650 }
651
652 if (!s->a_height && !s->coded_height) {
653 s->coded_height = lowpass_height * factor * 8;
654 }
655
656 if (s->a_width && !s->coded_width)
657 s->coded_width = s->a_width;
658 if (s->a_height && !s->coded_height)
659 s->coded_height = s->a_height;
660
661 if (s->a_width != s->coded_width || s->a_height != s->coded_height ||
662 s->a_format != s->coded_format ||
663 s->transform_type != s->a_transform_type) {
664 free_buffers(s);
665 if ((ret = alloc_buffers(avctx)) < 0) {
666 free_buffers(s);
667 return ret;
668 }
669 }
670 ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height);
671 if (ret < 0)
672 return ret;
673 if (s->cropped_height) {
674 unsigned height = s->cropped_height << (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
675 if (avctx->height < height)
676 return AVERROR_INVALIDDATA;
677 avctx->height = height;
678 }
679 pic->width = pic->height = 0;
680
681 if ((ret = ff_thread_get_buffer(avctx, pic, 0)) < 0)
682 return ret;
683
684 s->coded_width = 0;
685 s->coded_height = 0;
686 s->coded_format = AV_PIX_FMT_NONE;
687 got_buffer = 1;
688 } else if (tag == FrameIndex && data == 1 && s->sample_type == 1 && s->frame_type == 2) {
689 pic->width = pic->height = 0;
690
691 if ((ret = ff_thread_get_buffer(avctx, pic, 0)) < 0)
692 return ret;
693 s->coded_width = 0;
694 s->coded_height = 0;
695 s->coded_format = AV_PIX_FMT_NONE;
696 got_buffer = 1;
697 }
698
699 if (s->subband_num_actual == 255)
700 goto finish;
701
702 if (tag == BitstreamMarker && data == CoefficientSegment || tag == BandHeader || tag == BandSecondPass || s->peak.level)
703 if (s->transform_type != s->a_transform_type)
704 return AVERROR_PATCHWELCOME;
705
706 coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual];
707
708 /* Lowpass coefficients */
709 if (tag == BitstreamMarker && data == CoefficientSegment) {
710 int lowpass_height, lowpass_width, lowpass_a_height, lowpass_a_width;
711
712 if (!s->a_width || !s->a_height) {
713 ret = AVERROR_INVALIDDATA;
714 goto end;
715 }
716
717 lowpass_height = s->plane[s->channel_num].band[0][0].height;
718 lowpass_width = s->plane[s->channel_num].band[0][0].width;
719 lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height;
720 lowpass_a_width = s->plane[s->channel_num].band[0][0].a_width;
721
722 if (lowpass_width < 3 ||
723 lowpass_width > lowpass_a_width) {
724 av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
725 ret = AVERROR(EINVAL);
726 goto end;
727 }
728
729 if (lowpass_height < 3 ||
730 lowpass_height > lowpass_a_height) {
731 av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
732 ret = AVERROR(EINVAL);
733 goto end;
734 }
735
736 if (!got_buffer) {
737 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
738 ret = AVERROR(EINVAL);
739 goto end;
740 }
741
742 if (lowpass_height > lowpass_a_height || lowpass_width > lowpass_a_width ||
743 lowpass_width * lowpass_height * sizeof(int16_t) > bytestream2_get_bytes_left(&gb)) {
744 av_log(avctx, AV_LOG_ERROR, "Too many lowpass coefficients\n");
745 ret = AVERROR(EINVAL);
746 goto end;
747 }
748
749 av_log(avctx, AV_LOG_DEBUG, "Start of lowpass coeffs component %d height:%d, width:%d\n", s->channel_num, lowpass_height, lowpass_width);
750 for (int i = 0; i < lowpass_height; i++) {
751 for (int j = 0; j < lowpass_width; j++)
752 coeff_data[j] = bytestream2_get_be16u(&gb);
753
754 coeff_data += lowpass_width;
755 }
756
757 /* Align to mod-4 position to continue reading tags */
758 bytestream2_seek(&gb, bytestream2_tell(&gb) & 3, SEEK_CUR);
759
760 /* Copy last line of coefficients if odd height */
761 if (lowpass_height & 1) {
762 memcpy(&coeff_data[lowpass_height * lowpass_width],
763 &coeff_data[(lowpass_height - 1) * lowpass_width],
764 lowpass_width * sizeof(*coeff_data));
765 }
766
767 s->plane[s->channel_num].band[0][0].read_ok = 1;
768
769 av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height);
770 }
771
772 av_assert0(s->subband_num_actual != 255);
773 if (tag == BandHeader || tag == BandSecondPass) {
774 int highpass_height, highpass_width, highpass_a_width, highpass_a_height, highpass_stride, a_expected;
775 int expected;
776 GetBitContext gbit;
777 int count = 0, bytes;
778
779 if (!s->a_width || !s->a_height) {
780 ret = AVERROR_INVALIDDATA;
781 goto end;
782 }
783
784 highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height;
785 highpass_width = s->plane[s->channel_num].band[s->level][s->subband_num].width;
786 highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width;
787 highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height;
788 highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride;
789 a_expected = highpass_a_height * highpass_a_width;
790
791 if (!got_buffer) {
792 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
793 ret = AVERROR(EINVAL);
794 goto end;
795 }
796
797 if (highpass_height > highpass_a_height || highpass_width > highpass_a_width || a_expected < highpass_height * (uint64_t)highpass_stride) {
798 av_log(avctx, AV_LOG_ERROR, "Too many highpass coefficients\n");
799 ret = AVERROR(EINVAL);
800 goto end;
801 }
802 expected = highpass_height * highpass_stride;
803
804 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);
805
806 ret = init_get_bits8(&gbit, gb.buffer, bytestream2_get_bytes_left(&gb));
807 if (ret < 0)
808 goto end;
809 {
810 OPEN_READER(re, &gbit);
811
812 const int lossless = s->band_encoding == 5;
813
814 if (s->codebook == 0 && s->transform_type == 2 && s->subband_num_actual == 7)
815 s->codebook = 1;
816 if (!s->codebook) {
817 while (1) {
818 int level, run, coeff;
819
820 UPDATE_CACHE(re, &gbit);
821 GET_RL_VLC(level, run, re, &gbit, s->table_9_rl_vlc,
822 VLC_BITS, 3, 1);
823
824 /* escape */
825 if (!run)
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 (int i = 0; i < run; i++) {
841 *coeff_data |= coeff * 256U;
842 *coeff_data++ *= q;
843 }
844 } else {
845 for (int i = 0; i < run; i++)
846 *coeff_data++ = coeff;
847 }
848 }
849 } else {
850 while (1) {
851 int level, run, coeff;
852
853 UPDATE_CACHE(re, &gbit);
854 GET_RL_VLC(level, run, re, &gbit, s->table_18_rl_vlc,
855 VLC_BITS, 3, 1);
856
857 /* escape */
858 if (!run)
859 break;
860
861 count += run;
862
863 if (count > expected)
864 break;
865
866 if (!lossless)
867 coeff = dequant_and_decompand(s, level, s->quantisation, s->codebook);
868 else
869 coeff = level;
870 if (tag == BandSecondPass) {
871 const uint16_t q = s->quantisation;
872
873 for (int i = 0; i < run; i++) {
874 *coeff_data |= coeff * 256U;
875 *coeff_data++ *= q;
876 }
877 } else {
878 for (int i = 0; i < run; i++)
879 *coeff_data++ = coeff;
880 }
881 }
882 }
883 CLOSE_READER(re, &gbit);
884 }
885
886 if (count > expected) {
887 av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n");
888 ret = AVERROR(EINVAL);
889 goto end;
890 }
891 if (s->peak.level)
892 peak_table(coeff_data - count, &s->peak, count);
893 if (s->difference_coding)
894 difference_coding(s->plane[s->channel_num].subband[s->subband_num_actual], highpass_width, highpass_height);
895
896 bytes = FFALIGN(AV_CEIL_RSHIFT(get_bits_count(&gbit), 3), 4);
897 if (bytes > bytestream2_get_bytes_left(&gb)) {
898 av_log(avctx, AV_LOG_ERROR, "Bitstream overread error\n");
899 ret = AVERROR(EINVAL);
900 goto end;
901 } else
902 bytestream2_seek(&gb, bytes, SEEK_CUR);
903
904 av_log(avctx, AV_LOG_DEBUG, "End subband coeffs %i extra %i\n", count, count - expected);
905 s->plane[s->channel_num].band[s->level][s->subband_num].read_ok = 1;
906finish:
907 if (s->subband_num_actual != 255)
908 s->codebook = 0;
909 }
910 }
911
912 s->planes = av_pix_fmt_count_planes(avctx->pix_fmt);
913 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
914 s->progressive = 1;
915 s->planes = 4;
916 }
917
918 ff_thread_finish_setup(avctx);
919
920 if (!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE ||
921 s->a_transform_type == INT_MIN ||
922 s->coded_width || s->coded_height || s->coded_format != AV_PIX_FMT_NONE) {
923 av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n");
924 ret = AVERROR(EINVAL);
925 goto end;
926 }
927
928 if (!got_buffer) {
929 av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
930 ret = AVERROR(EINVAL);
931 goto end;
932 }
933
934 for (int plane = 0; plane < s->planes; plane++) {
935 for (int level = 0; level < (s->transform_type == 0 ? DWT_LEVELS : DWT_LEVELS_3D) ; level++) {
936 if (s->transform_type == 2)
937 if (level == 2 || level == 5)
938 continue;
939 for (int o = !!level; o < 4 ; o++) {
940 if (!s->plane[plane].band[level][o].read_ok) {
941 ret = AVERROR_INVALIDDATA;
942 goto end;
943 }
944 }
945 }
946 }
947
948 if (s->transform_type == 0 && s->sample_type != 1) {
949 for (int plane = 0; plane < s->planes && !ret; plane++) {
950 /* level 1 */
951 int lowpass_height = s->plane[plane].band[0][0].height;
952 int output_stride = s->plane[plane].band[0][0].a_width;
953 int lowpass_width = s->plane[plane].band[0][0].width;
954 int highpass_stride = s->plane[plane].band[0][1].stride;
955 int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
956 ptrdiff_t dst_linesize;
957 int16_t *low, *high, *output, *dst;
958
959 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
960 act_plane = 0;
961 dst_linesize = pic->linesize[act_plane];
962 } else {
963 dst_linesize = pic->linesize[act_plane] / 2;
964 }
965
966 if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
967 !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width ||
968 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 av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
975
976 low = s->plane[plane].subband[0];
977 high = s->plane[plane].subband[2];
978 output = s->plane[plane].l_h[0];
979 dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height);
980
981 low = s->plane[plane].subband[1];
982 high = s->plane[plane].subband[3];
983 output = s->plane[plane].l_h[1];
984
985 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
986
987 low = s->plane[plane].l_h[0];
988 high = s->plane[plane].l_h[1];
989 output = s->plane[plane].subband[0];
990 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
991 if (s->bpc == 12) {
992 output = s->plane[plane].subband[0];
993 for (int i = 0; i < lowpass_height * 2; i++) {
994 for (int j = 0; j < lowpass_width * 2; j++)
995 output[j] *= 4;
996
997 output += output_stride * 2;
998 }
999 }
1000
1001 /* level 2 */
1002 lowpass_height = s->plane[plane].band[1][1].height;
1003 output_stride = s->plane[plane].band[1][1].a_width;
1004 lowpass_width = s->plane[plane].band[1][1].width;
1005 highpass_stride = s->plane[plane].band[1][1].stride;
1006
1007 if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width ||
1008 !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width ||
1009 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 av_log(avctx, AV_LOG_DEBUG, "Level 2 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1016
1017 low = s->plane[plane].subband[0];
1018 high = s->plane[plane].subband[5];
1019 output = s->plane[plane].l_h[3];
1020 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1021
1022 low = s->plane[plane].subband[4];
1023 high = s->plane[plane].subband[6];
1024 output = s->plane[plane].l_h[4];
1025 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1026
1027 low = s->plane[plane].l_h[3];
1028 high = s->plane[plane].l_h[4];
1029 output = s->plane[plane].subband[0];
1030 dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1031
1032 output = s->plane[plane].subband[0];
1033 for (int i = 0; i < lowpass_height * 2; i++) {
1034 for (int j = 0; j < lowpass_width * 2; j++)
1035 output[j] *= 4;
1036
1037 output += output_stride * 2;
1038 }
1039
1040 /* level 3 */
1041 lowpass_height = s->plane[plane].band[2][1].height;
1042 output_stride = s->plane[plane].band[2][1].a_width;
1043 lowpass_width = s->plane[plane].band[2][1].width;
1044 highpass_stride = s->plane[plane].band[2][1].stride;
1045
1046 if (lowpass_height > s->plane[plane].band[2][1].a_height || lowpass_width > s->plane[plane].band[2][1].a_width ||
1047 !highpass_stride || s->plane[plane].band[2][1].width > s->plane[plane].band[2][1].a_width ||
1048 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 av_log(avctx, AV_LOG_DEBUG, "Level 3 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1055 if (s->progressive) {
1056 low = s->plane[plane].subband[0];
1057 high = s->plane[plane].subband[8];
1058 output = s->plane[plane].l_h[6];
1059 dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1060
1061 low = s->plane[plane].subband[7];
1062 high = s->plane[plane].subband[9];
1063 output = s->plane[plane].l_h[7];
1064 dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1065
1066 dst = (int16_t *)pic->data[act_plane];
1067 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 low = s->plane[plane].l_h[6];
1074 high = s->plane[plane].l_h[7];
1075
1076 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 for (int i = 0; i < s->plane[act_plane].height; i++) {
1085 dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1086 if (avctx->pix_fmt == AV_PIX_FMT_GBRAP12 && act_plane == 3)
1087 process_alpha(dst, lowpass_width * 2);
1088 low += output_stride;
1089 high += output_stride;
1090 dst += dst_linesize;
1091 }
1092 } else {
1093 av_log(avctx, AV_LOG_DEBUG, "interlaced frame ? %d", !!(pic->flags & AV_FRAME_FLAG_INTERLACED));
1094 pic->flags |= AV_FRAME_FLAG_INTERLACED;
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 (int 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 (int 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 (int i = 0; i < lowpass_height * 2; i++) {
1160 for (int 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 (int i = 0; i < lowpass_height * 2; i++) {
1199 for (int 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 || lowpass_width * 2 > s->plane[plane].width) {
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 (int 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 (int 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->flags |= AV_FRAME_FLAG_INTERLACED;
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 (int 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 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 (int 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 || lowpass_width * 2 > s->plane[plane].width) {
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 (int 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 (int 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 if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16)
1395 process_bayer(pic, s->bpc);
1396end:
1397 if (ret < 0)
1398 return ret;
1399
1400 *got_frame = 1;
1401 return avpkt->size;
1402}
1403
1404static av_cold int cfhd_close(AVCodecContext *avctx)
1405{
1406 CFHDContext *s = avctx->priv_data;
1407
1408 free_buffers(s);
1409
1410 return 0;
1411}
1412
1413#if HAVE_THREADS
1414static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
1415{
1416 CFHDContext *psrc = src->priv_data;
1417 CFHDContext *pdst = dst->priv_data;
1418 int ret;
1419
1420 if (dst == src || psrc->transform_type == 0)
1421 return 0;
1422
1423 if (pdst->plane[0].idwt_size != psrc->plane[0].idwt_size ||
1424 pdst->a_format != psrc->a_format ||
1425 pdst->a_width != psrc->a_width ||
1426 pdst->a_height != psrc->a_height ||
1427 pdst->a_transform_type != psrc->a_transform_type)
1428 free_buffers(pdst);
1429
1430 pdst->a_format = psrc->a_format;
1431 pdst->a_width = psrc->a_width;
1432 pdst->a_height = psrc->a_height;
1433 pdst->a_transform_type = psrc->a_transform_type;
1434 pdst->transform_type = psrc->transform_type;
1435 pdst->progressive = psrc->progressive;
1436 pdst->planes = psrc->planes;
1437
1438 if (!pdst->plane[0].idwt_buf) {
1439 pdst->coded_width = pdst->a_width;
1440 pdst->coded_height = pdst->a_height;
1441 pdst->coded_format = pdst->a_format;
1442 pdst->transform_type = pdst->a_transform_type;
1443 ret = alloc_buffers(dst);
1444 if (ret < 0)
1445 return ret;
1446 }
1447
1448 for (int plane = 0; plane < pdst->planes; plane++) {
1449 memcpy(pdst->plane[plane].band, psrc->plane[plane].band, sizeof(pdst->plane[plane].band));
1450 memcpy(pdst->plane[plane].idwt_buf, psrc->plane[plane].idwt_buf,
1451 pdst->plane[plane].idwt_size * sizeof(int16_t));
1452 }
1453
1454 return 0;
1455}
1456#endif
1457
1458const FFCodec ff_cfhd_decoder = {
1459 .p.name = "cfhd",
1460 CODEC_LONG_NAME("GoPro CineForm HD"),
1461 .p.type = AVMEDIA_TYPE_VIDEO,
1462 .p.id = AV_CODEC_ID_CFHD,
1463 .priv_data_size = sizeof(CFHDContext),
1464 .init = cfhd_init,
1465 .close = cfhd_close,
1466 FF_CODEC_DECODE_CB(cfhd_decode),
1467 UPDATE_THREAD_CONTEXT(update_thread_context),
1468 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
1469 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1470};
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition dsp.h:87
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:1458
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:371
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:240
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:1404
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:368
FF_CODEC_DECODE_CB
#define FF_CODEC_DECODE_CB(func)
Definition codec_internal.h:374
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition codec_internal.h:359
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:695
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:264
mem.h
Memory handling functions.
tag
uint32_t tag
Definition movenc.c:2073
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:3500
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:3488
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition pixfmt.h:569
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition pixfmt.h:546
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition pixfmt.h:565
AV_PIX_FMT_BAYER_RGGB16
#define AV_PIX_FMT_BAYER_RGGB16
Definition pixfmt.h:578
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:1037
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:665
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:1787
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition avcodec.h:1571
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:472
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition frame.h:493
AVFrame::width
int width
Definition frame.h:544
AVFrame::height
int height
Definition frame.h:544
AVFrame::flags
int flags
Frame flags, a combination of AV_FRAME_FLAGS.
Definition frame.h:716
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:517
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
finish
static void finish(void)
Definition movenc.c:374
height
#define height
Definition dsp.h:89
width
#define width
Definition dsp.h:89
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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