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proresenc_anatoliy.c
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1 /*
2  * Apple ProRes encoder
3  *
4  * Copyright (c) 2011 Anatoliy Wasserman
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /**
24  * @file
25  * Apple ProRes encoder (Anatoliy Wasserman version)
26  * Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy)
27  */
28 
29 #include "avcodec.h"
30 #include "dct.h"
31 #include "internal.h"
32 #include "put_bits.h"
33 #include "bytestream.h"
34 #include "fdctdsp.h"
35 
36 #define DEFAULT_SLICE_MB_WIDTH 8
37 
38 #define FF_PROFILE_PRORES_PROXY 0
39 #define FF_PROFILE_PRORES_LT 1
40 #define FF_PROFILE_PRORES_STANDARD 2
41 #define FF_PROFILE_PRORES_HQ 3
42 
43 static const AVProfile profiles[] = {
44  { FF_PROFILE_PRORES_PROXY, "apco"},
45  { FF_PROFILE_PRORES_LT, "apcs"},
46  { FF_PROFILE_PRORES_STANDARD, "apcn"},
47  { FF_PROFILE_PRORES_HQ, "apch"},
49 };
50 
51 static const int qp_start_table[4] = { 4, 1, 1, 1 };
52 static const int qp_end_table[4] = { 8, 9, 6, 6 };
53 static const int bitrate_table[5] = { 1000, 2100, 3500, 5400 };
54 
55 static const uint8_t progressive_scan[64] = {
56  0, 1, 8, 9, 2, 3, 10, 11,
57  16, 17, 24, 25, 18, 19, 26, 27,
58  4, 5, 12, 20, 13, 6, 7, 14,
59  21, 28, 29, 22, 15, 23, 30, 31,
60  32, 33, 40, 48, 41, 34, 35, 42,
61  49, 56, 57, 50, 43, 36, 37, 44,
62  51, 58, 59, 52, 45, 38, 39, 46,
63  53, 60, 61, 54, 47, 55, 62, 63
64 };
65 
66 static const uint8_t QMAT_LUMA[4][64] = {
67  {
68  4, 7, 9, 11, 13, 14, 15, 63,
69  7, 7, 11, 12, 14, 15, 63, 63,
70  9, 11, 13, 14, 15, 63, 63, 63,
71  11, 11, 13, 14, 63, 63, 63, 63,
72  11, 13, 14, 63, 63, 63, 63, 63,
73  13, 14, 63, 63, 63, 63, 63, 63,
74  13, 63, 63, 63, 63, 63, 63, 63,
75  63, 63, 63, 63, 63, 63, 63, 63
76  }, {
77  4, 5, 6, 7, 9, 11, 13, 15,
78  5, 5, 7, 8, 11, 13, 15, 17,
79  6, 7, 9, 11, 13, 15, 15, 17,
80  7, 7, 9, 11, 13, 15, 17, 19,
81  7, 9, 11, 13, 14, 16, 19, 23,
82  9, 11, 13, 14, 16, 19, 23, 29,
83  9, 11, 13, 15, 17, 21, 28, 35,
84  11, 13, 16, 17, 21, 28, 35, 41
85  }, {
86  4, 4, 5, 5, 6, 7, 7, 9,
87  4, 4, 5, 6, 7, 7, 9, 9,
88  5, 5, 6, 7, 7, 9, 9, 10,
89  5, 5, 6, 7, 7, 9, 9, 10,
90  5, 6, 7, 7, 8, 9, 10, 12,
91  6, 7, 7, 8, 9, 10, 12, 15,
92  6, 7, 7, 9, 10, 11, 14, 17,
93  7, 7, 9, 10, 11, 14, 17, 21
94  }, {
95  4, 4, 4, 4, 4, 4, 4, 4,
96  4, 4, 4, 4, 4, 4, 4, 4,
97  4, 4, 4, 4, 4, 4, 4, 4,
98  4, 4, 4, 4, 4, 4, 4, 5,
99  4, 4, 4, 4, 4, 4, 5, 5,
100  4, 4, 4, 4, 4, 5, 5, 6,
101  4, 4, 4, 4, 5, 5, 6, 7,
102  4, 4, 4, 4, 5, 6, 7, 7
103  }
104 };
105 
106 static const uint8_t QMAT_CHROMA[4][64] = {
107  {
108  4, 7, 9, 11, 13, 14, 63, 63,
109  7, 7, 11, 12, 14, 63, 63, 63,
110  9, 11, 13, 14, 63, 63, 63, 63,
111  11, 11, 13, 14, 63, 63, 63, 63,
112  11, 13, 14, 63, 63, 63, 63, 63,
113  13, 14, 63, 63, 63, 63, 63, 63,
114  13, 63, 63, 63, 63, 63, 63, 63,
115  63, 63, 63, 63, 63, 63, 63, 63
116  }, {
117  4, 5, 6, 7, 9, 11, 13, 15,
118  5, 5, 7, 8, 11, 13, 15, 17,
119  6, 7, 9, 11, 13, 15, 15, 17,
120  7, 7, 9, 11, 13, 15, 17, 19,
121  7, 9, 11, 13, 14, 16, 19, 23,
122  9, 11, 13, 14, 16, 19, 23, 29,
123  9, 11, 13, 15, 17, 21, 28, 35,
124  11, 13, 16, 17, 21, 28, 35, 41
125  }, {
126  4, 4, 5, 5, 6, 7, 7, 9,
127  4, 4, 5, 6, 7, 7, 9, 9,
128  5, 5, 6, 7, 7, 9, 9, 10,
129  5, 5, 6, 7, 7, 9, 9, 10,
130  5, 6, 7, 7, 8, 9, 10, 12,
131  6, 7, 7, 8, 9, 10, 12, 15,
132  6, 7, 7, 9, 10, 11, 14, 17,
133  7, 7, 9, 10, 11, 14, 17, 21
134  }, {
135  4, 4, 4, 4, 4, 4, 4, 4,
136  4, 4, 4, 4, 4, 4, 4, 4,
137  4, 4, 4, 4, 4, 4, 4, 4,
138  4, 4, 4, 4, 4, 4, 4, 5,
139  4, 4, 4, 4, 4, 4, 5, 5,
140  4, 4, 4, 4, 4, 5, 5, 6,
141  4, 4, 4, 4, 5, 5, 6, 7,
142  4, 4, 4, 4, 5, 6, 7, 7
143  }
144 };
145 
146 
147 typedef struct {
152 
153  int qmat_luma[16][64];
154  int qmat_chroma[16][64];
155 } ProresContext;
156 
157 static void encode_codeword(PutBitContext *pb, int val, int codebook)
158 {
159  unsigned int rice_order, exp_order, switch_bits, first_exp, exp, zeros;
160 
161  /* number of bits to switch between rice and exp golomb */
162  switch_bits = codebook & 3;
163  rice_order = codebook >> 5;
164  exp_order = (codebook >> 2) & 7;
165 
166  first_exp = ((switch_bits + 1) << rice_order);
167 
168  if (val >= first_exp) { /* exp golomb */
169  val -= first_exp;
170  val += (1 << exp_order);
171  exp = av_log2(val);
172  zeros = exp - exp_order + switch_bits + 1;
173  put_bits(pb, zeros, 0);
174  put_bits(pb, exp + 1, val);
175  } else if (rice_order) {
176  put_bits(pb, (val >> rice_order), 0);
177  put_bits(pb, 1, 1);
178  put_sbits(pb, rice_order, val);
179  } else {
180  put_bits(pb, val, 0);
181  put_bits(pb, 1, 1);
182  }
183 }
184 
185 #define QSCALE(qmat,ind,val) ((val) / ((qmat)[ind]))
186 #define TO_GOLOMB(val) (((val) << 1) ^ ((val) >> 31))
187 #define DIFF_SIGN(val, sign) (((val) >> 31) ^ (sign))
188 #define IS_NEGATIVE(val) ((((val) >> 31) ^ -1) + 1)
189 #define TO_GOLOMB2(val,sign) ((val)==0 ? 0 : ((val) << 1) + (sign))
190 
192 {
193  int sign = (val >> 31);
194  return (val ^ sign) - sign;
195 }
196 
197 #define FIRST_DC_CB 0xB8
198 
199 static const uint8_t dc_codebook[7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70};
200 
201 static void encode_dc_coeffs(PutBitContext *pb, int16_t *in,
202  int blocks_per_slice, int *qmat)
203 {
204  int prev_dc, code;
205  int i, sign, idx;
206  int new_dc, delta, diff_sign, new_code;
207 
208  prev_dc = QSCALE(qmat, 0, in[0] - 16384);
209  code = TO_GOLOMB(prev_dc);
210  encode_codeword(pb, code, FIRST_DC_CB);
211 
212  code = 5; sign = 0; idx = 64;
213  for (i = 1; i < blocks_per_slice; i++, idx += 64) {
214  new_dc = QSCALE(qmat, 0, in[idx] - 16384);
215  delta = new_dc - prev_dc;
216  diff_sign = DIFF_SIGN(delta, sign);
217  new_code = TO_GOLOMB2(get_level(delta), diff_sign);
218 
219  encode_codeword(pb, new_code, dc_codebook[FFMIN(code, 6)]);
220 
221  code = new_code;
222  sign = delta >> 31;
223  prev_dc = new_dc;
224  }
225 }
226 
227 static const uint8_t run_to_cb[16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29,
228  0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C };
229 static const uint8_t lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28,
230  0x28, 0x28, 0x28, 0x4C };
231 
233  int16_t *in, int blocks_per_slice, int *qmat)
234 {
235  int prev_run = 4;
236  int prev_level = 2;
237 
238  int run = 0, level, code, i, j;
239  for (i = 1; i < 64; i++) {
240  int indp = progressive_scan[i];
241  for (j = 0; j < blocks_per_slice; j++) {
242  int val = QSCALE(qmat, indp, in[(j << 6) + indp]);
243  if (val) {
244  encode_codeword(pb, run, run_to_cb[FFMIN(prev_run, 15)]);
245 
246  prev_run = run;
247  run = 0;
248  level = get_level(val);
249  code = level - 1;
250 
251  encode_codeword(pb, code, lev_to_cb[FFMIN(prev_level, 9)]);
252 
253  prev_level = level;
254 
255  put_bits(pb, 1, IS_NEGATIVE(val));
256  } else {
257  ++run;
258  }
259  }
260  }
261 }
262 
263 static void get(uint8_t *pixels, int stride, int16_t* block)
264 {
265  int i;
266 
267  for (i = 0; i < 8; i++) {
269  AV_WN64(block+4, AV_RN64(pixels+8));
270  pixels += stride;
271  block += 8;
272  }
273 }
274 
275 static void fdct_get(FDCTDSPContext *fdsp, uint8_t *pixels, int stride, int16_t* block)
276 {
277  get(pixels, stride, block);
278  fdsp->fdct(block);
279 }
280 
281 static int encode_slice_plane(AVCodecContext *avctx, int mb_count,
282  uint8_t *src, int src_stride, uint8_t *buf, unsigned buf_size,
283  int *qmat, int chroma)
284 {
285  ProresContext* ctx = avctx->priv_data;
286  FDCTDSPContext *fdsp = &ctx->fdsp;
287  LOCAL_ALIGNED(16, int16_t, blocks, [DEFAULT_SLICE_MB_WIDTH << 8]);
288  int16_t *block;
289  int i, blocks_per_slice;
290  PutBitContext pb;
291 
292  block = blocks;
293  for (i = 0; i < mb_count; i++) {
294  fdct_get(fdsp, src, src_stride, block + (0 << 6));
295  fdct_get(fdsp, src + 8 * src_stride, src_stride, block + ((2 - chroma) << 6));
296  if (!chroma) {
297  fdct_get(fdsp, src + 16, src_stride, block + (1 << 6));
298  fdct_get(fdsp, src + 16 + 8 * src_stride, src_stride, block + (3 << 6));
299  }
300 
301  block += (256 >> chroma);
302  src += (32 >> chroma);
303  }
304 
305  blocks_per_slice = mb_count << (2 - chroma);
306  init_put_bits(&pb, buf, buf_size);
307 
308  encode_dc_coeffs(&pb, blocks, blocks_per_slice, qmat);
309  encode_ac_coeffs(avctx, &pb, blocks, blocks_per_slice, qmat);
310 
311  flush_put_bits(&pb);
312  return put_bits_ptr(&pb) - pb.buf;
313 }
314 
316  uint8_t *dest_y, uint8_t *dest_u, uint8_t *dest_v, int luma_stride,
317  int chroma_stride, unsigned mb_count, uint8_t *buf, unsigned data_size,
318  unsigned* y_data_size, unsigned* u_data_size, unsigned* v_data_size,
319  int qp)
320 {
321  ProresContext* ctx = avctx->priv_data;
322 
323  *y_data_size = encode_slice_plane(avctx, mb_count, dest_y, luma_stride,
324  buf, data_size, ctx->qmat_luma[qp - 1], 0);
325 
326  if (!(avctx->flags & AV_CODEC_FLAG_GRAY)) {
327  *u_data_size = encode_slice_plane(avctx, mb_count, dest_u,
328  chroma_stride, buf + *y_data_size, data_size - *y_data_size,
329  ctx->qmat_chroma[qp - 1], 1);
330 
331  *v_data_size = encode_slice_plane(avctx, mb_count, dest_v,
332  chroma_stride, buf + *y_data_size + *u_data_size,
333  data_size - *y_data_size - *u_data_size,
334  ctx->qmat_chroma[qp - 1], 1);
335  }
336 
337  return *y_data_size + *u_data_size + *v_data_size;
338 }
339 
340 static void subimage_with_fill(uint16_t *src, unsigned x, unsigned y,
341  unsigned stride, unsigned width, unsigned height, uint16_t *dst,
342  unsigned dst_width, unsigned dst_height)
343 {
344 
345  int box_width = FFMIN(width - x, dst_width);
346  int box_height = FFMIN(height - y, dst_height);
347  int i, j, src_stride = stride >> 1;
348  uint16_t last_pix, *last_line;
349 
350  src += y * src_stride + x;
351  for (i = 0; i < box_height; ++i) {
352  for (j = 0; j < box_width; ++j) {
353  dst[j] = src[j];
354  }
355  last_pix = dst[j - 1];
356  for (; j < dst_width; j++)
357  dst[j] = last_pix;
358  src += src_stride;
359  dst += dst_width;
360  }
361  last_line = dst - dst_width;
362  for (; i < dst_height; i++) {
363  for (j = 0; j < dst_width; ++j) {
364  dst[j] = last_line[j];
365  }
366  dst += dst_width;
367  }
368 }
369 
370 static int encode_slice(AVCodecContext *avctx, const AVFrame *pic, int mb_x,
371  int mb_y, unsigned mb_count, uint8_t *buf, unsigned data_size,
372  int unsafe, int *qp)
373 {
374  int luma_stride, chroma_stride;
375  int hdr_size = 6, slice_size;
376  uint8_t *dest_y, *dest_u, *dest_v;
377  unsigned y_data_size = 0, u_data_size = 0, v_data_size = 0;
378  ProresContext* ctx = avctx->priv_data;
379  int tgt_bits = (mb_count * bitrate_table[avctx->profile]) >> 2;
380  int low_bytes = (tgt_bits - (tgt_bits >> 3)) >> 3; // 12% bitrate fluctuation
381  int high_bytes = (tgt_bits + (tgt_bits >> 3)) >> 3;
382 
383  luma_stride = pic->linesize[0];
384  chroma_stride = pic->linesize[1];
385 
386  dest_y = pic->data[0] + (mb_y << 4) * luma_stride + (mb_x << 5);
387  dest_u = pic->data[1] + (mb_y << 4) * chroma_stride + (mb_x << 4);
388  dest_v = pic->data[2] + (mb_y << 4) * chroma_stride + (mb_x << 4);
389 
390  if (unsafe) {
391 
392  subimage_with_fill((uint16_t *) pic->data[0], mb_x << 4, mb_y << 4,
393  luma_stride, avctx->width, avctx->height,
394  (uint16_t *) ctx->fill_y, mb_count << 4, 16);
395  subimage_with_fill((uint16_t *) pic->data[1], mb_x << 3, mb_y << 4,
396  chroma_stride, avctx->width >> 1, avctx->height,
397  (uint16_t *) ctx->fill_u, mb_count << 3, 16);
398  subimage_with_fill((uint16_t *) pic->data[2], mb_x << 3, mb_y << 4,
399  chroma_stride, avctx->width >> 1, avctx->height,
400  (uint16_t *) ctx->fill_v, mb_count << 3, 16);
401 
402  encode_slice_data(avctx, ctx->fill_y, ctx->fill_u, ctx->fill_v,
403  mb_count << 5, mb_count << 4, mb_count, buf + hdr_size,
404  data_size - hdr_size, &y_data_size, &u_data_size, &v_data_size,
405  *qp);
406  } else {
407  slice_size = encode_slice_data(avctx, dest_y, dest_u, dest_v,
408  luma_stride, chroma_stride, mb_count, buf + hdr_size,
409  data_size - hdr_size, &y_data_size, &u_data_size, &v_data_size,
410  *qp);
411 
412  if (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]) {
413  do {
414  *qp += 1;
415  slice_size = encode_slice_data(avctx, dest_y, dest_u, dest_v,
416  luma_stride, chroma_stride, mb_count, buf + hdr_size,
417  data_size - hdr_size, &y_data_size, &u_data_size,
418  &v_data_size, *qp);
419  } while (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]);
420  } else if (slice_size < low_bytes && *qp
421  > qp_start_table[avctx->profile]) {
422  do {
423  *qp -= 1;
424  slice_size = encode_slice_data(avctx, dest_y, dest_u, dest_v,
425  luma_stride, chroma_stride, mb_count, buf + hdr_size,
426  data_size - hdr_size, &y_data_size, &u_data_size,
427  &v_data_size, *qp);
428  } while (slice_size < low_bytes && *qp > qp_start_table[avctx->profile]);
429  }
430  }
431 
432  buf[0] = hdr_size << 3;
433  buf[1] = *qp;
434  AV_WB16(buf + 2, y_data_size);
435  AV_WB16(buf + 4, u_data_size);
436 
437  return hdr_size + y_data_size + u_data_size + v_data_size;
438 }
439 
440 static int prores_encode_picture(AVCodecContext *avctx, const AVFrame *pic,
441  uint8_t *buf, const int buf_size)
442 {
443  int mb_width = (avctx->width + 15) >> 4;
444  int mb_height = (avctx->height + 15) >> 4;
445  int hdr_size, sl_size, i;
446  int mb_y, sl_data_size, qp;
447  int unsafe_bot, unsafe_right;
448  uint8_t *sl_data, *sl_data_sizes;
449  int slice_per_line = 0, rem = mb_width;
450 
451  for (i = av_log2(DEFAULT_SLICE_MB_WIDTH); i >= 0; --i) {
452  slice_per_line += rem >> i;
453  rem &= (1 << i) - 1;
454  }
455 
456  qp = qp_start_table[avctx->profile];
457  hdr_size = 8; sl_data_size = buf_size - hdr_size;
458  sl_data_sizes = buf + hdr_size;
459  sl_data = sl_data_sizes + (slice_per_line * mb_height * 2);
460  for (mb_y = 0; mb_y < mb_height; mb_y++) {
461  int mb_x = 0;
462  int slice_mb_count = DEFAULT_SLICE_MB_WIDTH;
463  while (mb_x < mb_width) {
464  while (mb_width - mb_x < slice_mb_count)
465  slice_mb_count >>= 1;
466 
467  unsafe_bot = (avctx->height & 0xf) && (mb_y == mb_height - 1);
468  unsafe_right = (avctx->width & 0xf) && (mb_x + slice_mb_count == mb_width);
469 
470  sl_size = encode_slice(avctx, pic, mb_x, mb_y, slice_mb_count,
471  sl_data, sl_data_size, unsafe_bot || unsafe_right, &qp);
472 
473  bytestream_put_be16(&sl_data_sizes, sl_size);
474  sl_data += sl_size;
475  sl_data_size -= sl_size;
476  mb_x += slice_mb_count;
477  }
478  }
479 
480  buf[0] = hdr_size << 3;
481  AV_WB32(buf + 1, sl_data - buf);
482  AV_WB16(buf + 5, slice_per_line * mb_height);
483  buf[7] = av_log2(DEFAULT_SLICE_MB_WIDTH) << 4;
484 
485  return sl_data - buf;
486 }
487 
489  const AVFrame *pict, int *got_packet)
490 {
491  int header_size = 148;
492  uint8_t *buf;
493  int pic_size, ret;
494  int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + AV_INPUT_BUFFER_MIN_SIZE; //FIXME choose tighter limit
495 
496 
497  if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
498  return ret;
499 
500  buf = pkt->data;
501  pic_size = prores_encode_picture(avctx, pict, buf + header_size + 8,
502  pkt->size - header_size - 8);
503 
504  bytestream_put_be32(&buf, pic_size + 8 + header_size);
505  bytestream_put_buffer(&buf, "icpf", 4);
506 
507  bytestream_put_be16(&buf, header_size);
508  bytestream_put_be16(&buf, 0);
509  bytestream_put_buffer(&buf, "fmpg", 4);
510  bytestream_put_be16(&buf, avctx->width);
511  bytestream_put_be16(&buf, avctx->height);
512  *buf++ = 0x83; // {10}(422){00}{00}(frame){11}
513  *buf++ = 0;
514  *buf++ = 2;
515  *buf++ = 2;
516  *buf++ = 6;
517  *buf++ = 32;
518  *buf++ = 0;
519  *buf++ = 3;
520 
521  bytestream_put_buffer(&buf, QMAT_LUMA[avctx->profile], 64);
522  bytestream_put_buffer(&buf, QMAT_CHROMA[avctx->profile], 64);
523 
524  pkt->flags |= AV_PKT_FLAG_KEY;
525  pkt->size = pic_size + 8 + header_size;
526  *got_packet = 1;
527 
528  return 0;
529 }
530 
531 static void scale_mat(const uint8_t* src, int* dst, int scale)
532 {
533  int i;
534  for (i = 0; i < 64; i++)
535  dst[i] = src[i] * scale;
536 }
537 
539 {
540  int i;
541  ProresContext* ctx = avctx->priv_data;
542 
543  if (avctx->pix_fmt != AV_PIX_FMT_YUV422P10) {
544  av_log(avctx, AV_LOG_ERROR, "need YUV422P10\n");
545  return AVERROR_PATCHWELCOME;
546  }
547  avctx->bits_per_raw_sample = 10;
548 
549  if (avctx->width & 0x1) {
550  av_log(avctx, AV_LOG_ERROR,
551  "frame width needs to be multiple of 2\n");
552  return AVERROR(EINVAL);
553  }
554 
555  if (avctx->width > 65534 || avctx->height > 65535) {
556  av_log(avctx, AV_LOG_ERROR,
557  "The maximum dimensions are 65534x65535\n");
558  return AVERROR(EINVAL);
559  }
560 
561  if ((avctx->height & 0xf) || (avctx->width & 0xf)) {
562  ctx->fill_y = av_malloc(4 * (DEFAULT_SLICE_MB_WIDTH << 8));
563  if (!ctx->fill_y)
564  return AVERROR(ENOMEM);
565  ctx->fill_u = ctx->fill_y + (DEFAULT_SLICE_MB_WIDTH << 9);
566  ctx->fill_v = ctx->fill_u + (DEFAULT_SLICE_MB_WIDTH << 8);
567  }
568 
569  if (avctx->profile == FF_PROFILE_UNKNOWN) {
571  av_log(avctx, AV_LOG_INFO,
572  "encoding with ProRes standard (apcn) profile\n");
573 
574  } else if (avctx->profile < FF_PROFILE_PRORES_PROXY
575  || avctx->profile > FF_PROFILE_PRORES_HQ) {
576  av_log(
577  avctx,
578  AV_LOG_ERROR,
579  "unknown profile %d, use [0 - apco, 1 - apcs, 2 - apcn (default), 3 - apch]\n",
580  avctx->profile);
581  return AVERROR(EINVAL);
582  }
583 
584  ff_fdctdsp_init(&ctx->fdsp, avctx);
585 
586  avctx->codec_tag = AV_RL32((const uint8_t*)profiles[avctx->profile].name);
587 
588  for (i = 1; i <= 16; i++) {
589  scale_mat(QMAT_LUMA[avctx->profile] , ctx->qmat_luma[i - 1] , i);
590  scale_mat(QMAT_CHROMA[avctx->profile], ctx->qmat_chroma[i - 1], i);
591  }
592 
593  return 0;
594 }
595 
597 {
598  ProresContext* ctx = avctx->priv_data;
599  av_freep(&ctx->fill_y);
600 
601  return 0;
602 }
603 
605  .name = "prores_aw",
606  .long_name = NULL_IF_CONFIG_SMALL("Apple ProRes"),
607  .type = AVMEDIA_TYPE_VIDEO,
608  .id = AV_CODEC_ID_PRORES,
609  .priv_data_size = sizeof(ProresContext),
611  .close = prores_encode_close,
612  .encode2 = prores_encode_frame,
615  .profiles = profiles
616 };
617 
619  .name = "prores",
620  .long_name = NULL_IF_CONFIG_SMALL("Apple ProRes"),
621  .type = AVMEDIA_TYPE_VIDEO,
622  .id = AV_CODEC_ID_PRORES,
623  .priv_data_size = sizeof(ProresContext),
625  .close = prores_encode_close,
626  .encode2 = prores_encode_frame,
629  .profiles = profiles
630 };
const char const char void * val
Definition: avisynth_c.h:634
static av_always_inline void chroma(WaveformContext *s, AVFrame *in, AVFrame *out, int component, int intensity, int offset_y, int offset_x, int column, int mirror)
Definition: vf_waveform.c:1318
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
static const uint8_t QMAT_LUMA[4][64]
static void put_sbits(PutBitContext *pb, int n, int32_t value)
Definition: put_bits.h:200
static const int bitrate_table[5]
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:206
#define TO_GOLOMB2(val, sign)
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
static av_always_inline unsigned encode_slice_data(AVCodecContext *avctx, uint8_t *dest_y, uint8_t *dest_u, uint8_t *dest_v, int luma_stride, int chroma_stride, unsigned mb_count, uint8_t *buf, unsigned data_size, unsigned *y_data_size, unsigned *u_data_size, unsigned *v_data_size, int qp)
int size
Definition: avcodec.h:1589
uint8_t qmat_chroma[64]
dequantization matrix for chroma
Definition: proresdec.h:43
int av_log2(unsigned v)
Definition: intmath.c:26
static av_cold int prores_encode_init(AVCodecContext *avctx)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1885
static int encode_slice(AVCodecContext *avctx, const AVFrame *pic, int mb_x, int mb_y, unsigned mb_count, uint8_t *buf, unsigned data_size, int unsafe, int *qp)
#define FF_PROFILE_PRORES_PROXY
uint8_t run
Definition: svq3.c:192
static AVPacket pkt
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:3057
#define FIRST_DC_CB
av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
Definition: fdctdsp.c:26
int profile
profile
Definition: avcodec.h:3161
AVCodec.
Definition: avcodec.h:3559
static int encode_slice_plane(AVCodecContext *avctx, int mb_count, uint8_t *src, int src_stride, uint8_t *buf, unsigned buf_size, int *qmat, int chroma)
#define AV_CODEC_CAP_INTRA_ONLY
Codec is intra only.
Definition: avcodec.h:1039
static int prores_encode_picture(AVCodecContext *avctx, const AVFrame *pic, uint8_t *buf, const int buf_size)
uint8_t
#define av_cold
Definition: attributes.h:82
#define av_malloc(s)
float delta
static void encode_dc_coeffs(PutBitContext *pb, int16_t *in, int blocks_per_slice, int *qmat)
static const uint8_t QMAT_CHROMA[4][64]
static const uint8_t progressive_scan[64]
#define height
uint8_t * data
Definition: avcodec.h:1588
#define AV_CODEC_FLAG_GRAY
Only decode/encode grayscale.
Definition: avcodec.h:858
#define AV_WB16(p, v)
Definition: intreadwrite.h:405
#define AV_INPUT_BUFFER_MIN_SIZE
minimum encoding buffer size Used to avoid some checks during header writing.
Definition: avcodec.h:738
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1620
static const uint8_t lev_to_cb[10]
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
static uint8_t * put_bits_ptr(PutBitContext *s)
Return the pointer to the byte where the bitstream writer will put the next bit.
Definition: put_bits.h:227
static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
#define AVERROR(e)
Definition: error.h:43
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static av_cold int prores_encode_close(AVCodecContext *avctx)
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1752
uint8_t * buf
Definition: put_bits.h:38
const char * name
Name of the codec implementation.
Definition: avcodec.h:3566
#define IS_NEGATIVE(val)
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
Definition: avcodec.h:1019
int8_t exp
Definition: eval.c:64
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1594
static av_always_inline int get_level(int val)
#define TO_GOLOMB(val)
#define FFMIN(a, b)
Definition: common.h:96
static void scale_mat(const uint8_t *src, int *dst, int scale)
static const AVProfile profiles[]
#define width
int width
picture width / height.
Definition: avcodec.h:1844
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3162
AVFormatContext * ctx
Definition: movenc.c:48
#define FF_PROFILE_PRORES_STANDARD
#define DEFAULT_SLICE_MB_WIDTH
#define src
Definition: vp9dsp.c:530
AVCodec ff_prores_encoder
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
int frame_size
Definition: mxfenc.c:1821
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:215
void(* fdct)(int16_t *block)
Definition: fdctdsp.h:27
main external API structure.
Definition: avcodec.h:1657
FDCTDSPContext fdsp
static const uint8_t dc_codebook[7]
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
Definition: avcodec.h:1689
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
void * buf
Definition: avisynth_c.h:553
#define AV_WB32(p, v)
Definition: intreadwrite.h:419
const char * name
short name for the profile
Definition: avcodec.h:3549
#define QSCALE(qmat, ind, val)
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: utils.c:1690
static void encode_codeword(PutBitContext *pb, int val, int codebook)
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:344
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:198
uint8_t level
Definition: svq3.c:193
static void fdct_get(FDCTDSPContext *fdsp, uint8_t *pixels, int stride, int16_t *block)
static void subimage_with_fill(uint16_t *src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t *dst, unsigned dst_width, unsigned dst_height)
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
AVCodec ff_prores_aw_encoder
static const int qp_start_table[4]
common internal api header.
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
Definition: put_bits.h:101
#define LOCAL_ALIGNED(a, t, v,...)
Definition: internal.h:110
AVProfile.
Definition: avcodec.h:3547
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
Definition: put_bits.h:48
static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
Definition: bytestream.h:368
void * priv_data
Definition: avcodec.h:1699
int pixels
Definition: avisynth_c.h:298
#define AV_RN64(p)
Definition: intreadwrite.h:368
#define av_freep(p)
#define av_always_inline
Definition: attributes.h:39
uint8_t qmat_luma[64]
dequantization matrix for luma
Definition: proresdec.h:42
#define stride
#define FF_PROFILE_PRORES_HQ
#define DIFF_SIGN(val, sign)
static const uint8_t run_to_cb[16]
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32
Definition: bytestream.h:87
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
#define FF_PROFILE_PRORES_LT
This structure stores compressed data.
Definition: avcodec.h:1565
static void encode_ac_coeffs(AVCodecContext *avctx, PutBitContext *pb, int16_t *in, int blocks_per_slice, int *qmat)
static const int qp_end_table[4]
#define AV_WN64(p, v)
Definition: intreadwrite.h:380
bitstream writer API
static int16_t block[64]
Definition: dct-test.c:112