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libopenjpegenc.c
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1 /*
2  * JPEG 2000 encoding support via OpenJPEG
3  * Copyright (c) 2011 Michael Bradshaw <mjbshaw gmail com>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /**
23  * @file
24  * JPEG 2000 encoder using libopenjpeg
25  */
26 
27 #define OPJ_STATIC
28 
29 #include "libavutil/avassert.h"
30 #include "libavutil/common.h"
31 #include "libavutil/imgutils.h"
32 #include "libavutil/intreadwrite.h"
33 #include "libavutil/opt.h"
34 #include "avcodec.h"
35 #include "internal.h"
36 
37 #if HAVE_OPENJPEG_1_5_OPENJPEG_H
38 # include <openjpeg-1.5/openjpeg.h>
39 #else
40 # include <openjpeg.h>
41 #endif
42 
43 typedef struct {
45  opj_image_t *image;
46  opj_cio_t *stream;
47  opj_cparameters_t enc_params;
48  opj_cinfo_t *compress;
49  opj_event_mgr_t event_mgr;
50  int format;
51  int profile;
55  int numlayers;
60 
61 static void error_callback(const char *msg, void *data)
62 {
63  av_log(data, AV_LOG_ERROR, "%s\n", msg);
64 }
65 
66 static void warning_callback(const char *msg, void *data)
67 {
68  av_log(data, AV_LOG_WARNING, "%s\n", msg);
69 }
70 
71 static void info_callback(const char *msg, void *data)
72 {
73  av_log(data, AV_LOG_DEBUG, "%s\n", msg);
74 }
75 
76 static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *parameters)
77 {
78  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
79  opj_image_cmptparm_t cmptparm[4] = {{0}};
80  opj_image_t *img;
81  int i;
82  int sub_dx[4];
83  int sub_dy[4];
84  int numcomps;
85  OPJ_COLOR_SPACE color_space = CLRSPC_UNKNOWN;
86 
87  sub_dx[0] = sub_dx[3] = 1;
88  sub_dy[0] = sub_dy[3] = 1;
89  sub_dx[1] = sub_dx[2] = 1 << desc->log2_chroma_w;
90  sub_dy[1] = sub_dy[2] = 1 << desc->log2_chroma_h;
91 
92  numcomps = desc->nb_components;
93 
94  switch (avctx->pix_fmt) {
95  case AV_PIX_FMT_GRAY8:
96  case AV_PIX_FMT_YA8:
97  case AV_PIX_FMT_GRAY16:
98  color_space = CLRSPC_GRAY;
99  break;
100  case AV_PIX_FMT_RGB24:
101  case AV_PIX_FMT_RGBA:
102  case AV_PIX_FMT_RGB48:
103  case AV_PIX_FMT_RGBA64:
104  case AV_PIX_FMT_GBR24P:
105  case AV_PIX_FMT_GBRP9:
106  case AV_PIX_FMT_GBRP10:
107  case AV_PIX_FMT_GBRP12:
108  case AV_PIX_FMT_GBRP14:
109  case AV_PIX_FMT_GBRP16:
110  case AV_PIX_FMT_XYZ12:
111  color_space = CLRSPC_SRGB;
112  break;
113  case AV_PIX_FMT_YUV410P:
114  case AV_PIX_FMT_YUV411P:
115  case AV_PIX_FMT_YUV420P:
116  case AV_PIX_FMT_YUV422P:
117  case AV_PIX_FMT_YUV440P:
118  case AV_PIX_FMT_YUV444P:
119  case AV_PIX_FMT_YUVA420P:
120  case AV_PIX_FMT_YUVA422P:
121  case AV_PIX_FMT_YUVA444P:
122  case AV_PIX_FMT_YUV420P9:
123  case AV_PIX_FMT_YUV422P9:
124  case AV_PIX_FMT_YUV444P9:
146  color_space = CLRSPC_SYCC;
147  break;
148  default:
149  av_log(avctx, AV_LOG_ERROR,
150  "The requested pixel format '%s' is not supported\n",
151  av_get_pix_fmt_name(avctx->pix_fmt));
152  return NULL;
153  }
154 
155  for (i = 0; i < numcomps; i++) {
156  cmptparm[i].prec = desc->comp[i].depth_minus1 + 1;
157  cmptparm[i].bpp = desc->comp[i].depth_minus1 + 1;
158  cmptparm[i].sgnd = 0;
159  cmptparm[i].dx = sub_dx[i];
160  cmptparm[i].dy = sub_dy[i];
161  cmptparm[i].w = (avctx->width + sub_dx[i] - 1) / sub_dx[i];
162  cmptparm[i].h = (avctx->height + sub_dy[i] - 1) / sub_dy[i];
163  }
164 
165  img = opj_image_create(numcomps, cmptparm, color_space);
166 
167  // x0, y0 is the top left corner of the image
168  // x1, y1 is the width, height of the reference grid
169  img->x0 = 0;
170  img->y0 = 0;
171  img->x1 = (avctx->width - 1) * parameters->subsampling_dx + 1;
172  img->y1 = (avctx->height - 1) * parameters->subsampling_dy + 1;
173 
174  return img;
175 }
176 
178 {
179  LibOpenJPEGContext *ctx = avctx->priv_data;
180  int err = AVERROR(ENOMEM);
181 
182  opj_set_default_encoder_parameters(&ctx->enc_params);
183 
184  ctx->enc_params.cp_rsiz = ctx->profile;
185  ctx->enc_params.mode = !!avctx->global_quality;
186  ctx->enc_params.cp_cinema = ctx->cinema_mode;
187  ctx->enc_params.prog_order = ctx->prog_order;
188  ctx->enc_params.numresolution = ctx->numresolution;
189  ctx->enc_params.cp_disto_alloc = ctx->disto_alloc;
190  ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc;
191  ctx->enc_params.cp_fixed_quality = ctx->fixed_quality;
192  ctx->enc_params.tcp_numlayers = ctx->numlayers;
193  ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2;
194 
195  if (ctx->cinema_mode > 0) {
196  ctx->enc_params.irreversible = 1;
197  ctx->enc_params.tcp_mct = 1;
198  ctx->enc_params.tile_size_on = 0;
199  /* no subsampling */
200  ctx->enc_params.cp_tdx=1;
201  ctx->enc_params.cp_tdy=1;
202  ctx->enc_params.subsampling_dx = 1;
203  ctx->enc_params.subsampling_dy = 1;
204  /* Tile and Image shall be at (0,0) */
205  ctx->enc_params.cp_tx0 = 0;
206  ctx->enc_params.cp_ty0 = 0;
207  ctx->enc_params.image_offset_x0 = 0;
208  ctx->enc_params.image_offset_y0 = 0;
209  /* Codeblock size= 32*32 */
210  ctx->enc_params.cblockw_init = 32;
211  ctx->enc_params.cblockh_init = 32;
212  ctx->enc_params.csty |= 0x01;
213  /* No ROI */
214  ctx->enc_params.roi_compno = -1;
215 
216  if (ctx->enc_params.prog_order != CPRL) {
217  av_log(avctx, AV_LOG_ERROR, "prog_order forced to CPRL\n");
218  ctx->enc_params.prog_order = CPRL;
219  }
220  ctx->enc_params.tp_flag = 'C';
221  ctx->enc_params.tp_on = 1;
222  }
223 
224  ctx->compress = opj_create_compress(ctx->format);
225  if (!ctx->compress) {
226  av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n");
227  return AVERROR(ENOMEM);
228  }
229 
230  ctx->image = mj2_create_image(avctx, &ctx->enc_params);
231  if (!ctx->image) {
232  av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");
233  err = AVERROR(EINVAL);
234  goto fail;
235  }
236 
237  avctx->coded_frame = av_frame_alloc();
238  if (!avctx->coded_frame) {
239  av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n");
240  goto fail;
241  }
242 
243  memset(&ctx->event_mgr, 0, sizeof(opj_event_mgr_t));
244  ctx->event_mgr.info_handler = info_callback;
245  ctx->event_mgr.error_handler = error_callback;
246  ctx->event_mgr.warning_handler = warning_callback;
247  opj_set_event_mgr((opj_common_ptr) ctx->compress, &ctx->event_mgr, avctx);
248 
249  return 0;
250 
251 fail:
252  opj_destroy_compress(ctx->compress);
253  ctx->compress = NULL;
254  opj_image_destroy(ctx->image);
255  ctx->image = NULL;
256  av_freep(&avctx->coded_frame);
257  return err;
258 }
259 
260 static int libopenjpeg_copy_packed8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
261 {
262  int compno;
263  int x;
264  int y;
265  int *image_line;
266  int frame_index;
267  const int numcomps = image->numcomps;
268 
269  for (compno = 0; compno < numcomps; ++compno) {
270  if (image->comps[compno].w > frame->linesize[0] / numcomps) {
271  av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
272  return 0;
273  }
274  }
275 
276  for (compno = 0; compno < numcomps; ++compno) {
277  for (y = 0; y < avctx->height; ++y) {
278  image_line = image->comps[compno].data + y * image->comps[compno].w;
279  frame_index = y * frame->linesize[0] + compno;
280  for (x = 0; x < avctx->width; ++x) {
281  image_line[x] = frame->data[0][frame_index];
282  frame_index += numcomps;
283  }
284  for (; x < image->comps[compno].w; ++x) {
285  image_line[x] = image_line[x - 1];
286  }
287  }
288  for (; y < image->comps[compno].h; ++y) {
289  image_line = image->comps[compno].data + y * image->comps[compno].w;
290  for (x = 0; x < image->comps[compno].w; ++x) {
291  image_line[x] = image_line[x - image->comps[compno].w];
292  }
293  }
294  }
295 
296  return 1;
297 }
298 
299 // for XYZ 12 bit
300 static int libopenjpeg_copy_packed12(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
301 {
302  int compno;
303  int x, y;
304  int *image_line;
305  int frame_index;
306  const int numcomps = image->numcomps;
307  uint16_t *frame_ptr = (uint16_t *)frame->data[0];
308 
309  for (compno = 0; compno < numcomps; ++compno) {
310  if (image->comps[compno].w > frame->linesize[0] / numcomps) {
311  av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
312  return 0;
313  }
314  }
315 
316  for (compno = 0; compno < numcomps; ++compno) {
317  for (y = 0; y < avctx->height; ++y) {
318  image_line = image->comps[compno].data + y * image->comps[compno].w;
319  frame_index = y * (frame->linesize[0] / 2) + compno;
320  for (x = 0; x < avctx->width; ++x) {
321  image_line[x] = frame_ptr[frame_index] >> 4;
322  frame_index += numcomps;
323  }
324  for (; x < image->comps[compno].w; ++x) {
325  image_line[x] = image_line[x - 1];
326  }
327  }
328  for (; y < image->comps[compno].h; ++y) {
329  image_line = image->comps[compno].data + y * image->comps[compno].w;
330  for (x = 0; x < image->comps[compno].w; ++x) {
331  image_line[x] = image_line[x - image->comps[compno].w];
332  }
333  }
334  }
335 
336  return 1;
337 }
338 
339 static int libopenjpeg_copy_packed16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
340 {
341  int compno;
342  int x;
343  int y;
344  int *image_line;
345  int frame_index;
346  const int numcomps = image->numcomps;
347  uint16_t *frame_ptr = (uint16_t*)frame->data[0];
348 
349  for (compno = 0; compno < numcomps; ++compno) {
350  if (image->comps[compno].w > frame->linesize[0] / numcomps) {
351  av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
352  return 0;
353  }
354  }
355 
356  for (compno = 0; compno < numcomps; ++compno) {
357  for (y = 0; y < avctx->height; ++y) {
358  image_line = image->comps[compno].data + y * image->comps[compno].w;
359  frame_index = y * (frame->linesize[0] / 2) + compno;
360  for (x = 0; x < avctx->width; ++x) {
361  image_line[x] = frame_ptr[frame_index];
362  frame_index += numcomps;
363  }
364  for (; x < image->comps[compno].w; ++x) {
365  image_line[x] = image_line[x - 1];
366  }
367  }
368  for (; y < image->comps[compno].h; ++y) {
369  image_line = image->comps[compno].data + y * image->comps[compno].w;
370  for (x = 0; x < image->comps[compno].w; ++x) {
371  image_line[x] = image_line[x - image->comps[compno].w];
372  }
373  }
374  }
375 
376  return 1;
377 }
378 
379 static int libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
380 {
381  int compno;
382  int x;
383  int y;
384  int width;
385  int height;
386  int *image_line;
387  int frame_index;
388  const int numcomps = image->numcomps;
389 
390  for (compno = 0; compno < numcomps; ++compno) {
391  if (image->comps[compno].w > frame->linesize[compno]) {
392  av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
393  return 0;
394  }
395  }
396 
397  for (compno = 0; compno < numcomps; ++compno) {
398  width = avctx->width / image->comps[compno].dx;
399  height = avctx->height / image->comps[compno].dy;
400  for (y = 0; y < height; ++y) {
401  image_line = image->comps[compno].data + y * image->comps[compno].w;
402  frame_index = y * frame->linesize[compno];
403  for (x = 0; x < width; ++x)
404  image_line[x] = frame->data[compno][frame_index++];
405  for (; x < image->comps[compno].w; ++x) {
406  image_line[x] = image_line[x - 1];
407  }
408  }
409  for (; y < image->comps[compno].h; ++y) {
410  image_line = image->comps[compno].data + y * image->comps[compno].w;
411  for (x = 0; x < image->comps[compno].w; ++x) {
412  image_line[x] = image_line[x - image->comps[compno].w];
413  }
414  }
415  }
416 
417  return 1;
418 }
419 
420 static int libopenjpeg_copy_unpacked16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
421 {
422  int compno;
423  int x;
424  int y;
425  int width;
426  int height;
427  int *image_line;
428  int frame_index;
429  const int numcomps = image->numcomps;
430  uint16_t *frame_ptr;
431 
432  for (compno = 0; compno < numcomps; ++compno) {
433  if (image->comps[compno].w > frame->linesize[compno]) {
434  av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
435  return 0;
436  }
437  }
438 
439  for (compno = 0; compno < numcomps; ++compno) {
440  width = avctx->width / image->comps[compno].dx;
441  height = avctx->height / image->comps[compno].dy;
442  frame_ptr = (uint16_t *)frame->data[compno];
443  for (y = 0; y < height; ++y) {
444  image_line = image->comps[compno].data + y * image->comps[compno].w;
445  frame_index = y * (frame->linesize[compno] / 2);
446  for (x = 0; x < width; ++x)
447  image_line[x] = frame_ptr[frame_index++];
448  for (; x < image->comps[compno].w; ++x) {
449  image_line[x] = image_line[x - 1];
450  }
451  }
452  for (; y < image->comps[compno].h; ++y) {
453  image_line = image->comps[compno].data + y * image->comps[compno].w;
454  for (x = 0; x < image->comps[compno].w; ++x) {
455  image_line[x] = image_line[x - image->comps[compno].w];
456  }
457  }
458  }
459 
460  return 1;
461 }
462 
464  const AVFrame *frame, int *got_packet)
465 {
466  LibOpenJPEGContext *ctx = avctx->priv_data;
467  opj_cinfo_t *compress = ctx->compress;
468  opj_image_t *image = ctx->image;
469  opj_cio_t *stream = ctx->stream;
470  int cpyresult = 0;
471  int ret, len;
472  AVFrame *gbrframe;
473 
474  switch (avctx->pix_fmt) {
475  case AV_PIX_FMT_RGB24:
476  case AV_PIX_FMT_RGBA:
477  case AV_PIX_FMT_YA8:
478  cpyresult = libopenjpeg_copy_packed8(avctx, frame, image);
479  break;
480  case AV_PIX_FMT_XYZ12:
481  cpyresult = libopenjpeg_copy_packed12(avctx, frame, image);
482  break;
483  case AV_PIX_FMT_RGB48:
484  case AV_PIX_FMT_RGBA64:
485  cpyresult = libopenjpeg_copy_packed16(avctx, frame, image);
486  break;
487  case AV_PIX_FMT_GBR24P:
488  case AV_PIX_FMT_GBRP9:
489  case AV_PIX_FMT_GBRP10:
490  case AV_PIX_FMT_GBRP12:
491  case AV_PIX_FMT_GBRP14:
492  case AV_PIX_FMT_GBRP16:
493  gbrframe = av_frame_clone(frame);
494  if (!gbrframe)
495  return AVERROR(ENOMEM);
496  gbrframe->data[0] = frame->data[2]; // swap to be rgb
497  gbrframe->data[1] = frame->data[0];
498  gbrframe->data[2] = frame->data[1];
499  gbrframe->linesize[0] = frame->linesize[2];
500  gbrframe->linesize[1] = frame->linesize[0];
501  gbrframe->linesize[2] = frame->linesize[1];
502  if (avctx->pix_fmt == AV_PIX_FMT_GBR24P) {
503  cpyresult = libopenjpeg_copy_unpacked8(avctx, gbrframe, image);
504  } else {
505  cpyresult = libopenjpeg_copy_unpacked16(avctx, gbrframe, image);
506  }
507  av_frame_free(&gbrframe);
508  break;
509  case AV_PIX_FMT_GRAY8:
510  case AV_PIX_FMT_YUV410P:
511  case AV_PIX_FMT_YUV411P:
512  case AV_PIX_FMT_YUV420P:
513  case AV_PIX_FMT_YUV422P:
514  case AV_PIX_FMT_YUV440P:
515  case AV_PIX_FMT_YUV444P:
516  case AV_PIX_FMT_YUVA420P:
517  case AV_PIX_FMT_YUVA422P:
518  case AV_PIX_FMT_YUVA444P:
519  cpyresult = libopenjpeg_copy_unpacked8(avctx, frame, image);
520  break;
521  case AV_PIX_FMT_GRAY16:
522  case AV_PIX_FMT_YUV420P9:
523  case AV_PIX_FMT_YUV422P9:
524  case AV_PIX_FMT_YUV444P9:
546  cpyresult = libopenjpeg_copy_unpacked16(avctx, frame, image);
547  break;
548  default:
549  av_log(avctx, AV_LOG_ERROR,
550  "The frame's pixel format '%s' is not supported\n",
551  av_get_pix_fmt_name(avctx->pix_fmt));
552  return AVERROR(EINVAL);
553  break;
554  }
555 
556  if (!cpyresult) {
557  av_log(avctx, AV_LOG_ERROR,
558  "Could not copy the frame data to the internal image buffer\n");
559  return -1;
560  }
561 
562  opj_setup_encoder(compress, &ctx->enc_params, image);
563 
564  stream = opj_cio_open((opj_common_ptr) compress, NULL, 0);
565  if (!stream) {
566  av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n");
567  return AVERROR(ENOMEM);
568  }
569 
570  if (!opj_encode(compress, stream, image, NULL)) {
571  av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");
572  return -1;
573  }
574 
575  len = cio_tell(stream);
576  if ((ret = ff_alloc_packet2(avctx, pkt, len)) < 0) {
577  return ret;
578  }
579 
580  memcpy(pkt->data, stream->buffer, len);
581  pkt->flags |= AV_PKT_FLAG_KEY;
582  *got_packet = 1;
583  return 0;
584 }
585 
587 {
588  LibOpenJPEGContext *ctx = avctx->priv_data;
589 
590  opj_cio_close(ctx->stream);
591  ctx->stream = NULL;
592  opj_destroy_compress(ctx->compress);
593  ctx->compress = NULL;
594  opj_image_destroy(ctx->image);
595  ctx->image = NULL;
596  av_freep(&avctx->coded_frame);
597  return 0;
598 }
599 
600 #define OFFSET(x) offsetof(LibOpenJPEGContext, x)
601 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
602 static const AVOption options[] = {
603  { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" },
604  { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, "format" },
605  { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, "format" },
606  { "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = STD_RSIZ }, STD_RSIZ, CINEMA4K, VE, "profile" },
607  { "jpeg2000", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = STD_RSIZ }, 0, 0, VE, "profile" },
608  { "cinema2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K }, 0, 0, VE, "profile" },
609  { "cinema4k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA4K }, 0, 0, VE, "profile" },
610  { "cinema_mode", "Digital Cinema", OFFSET(cinema_mode), AV_OPT_TYPE_INT, { .i64 = OFF }, OFF, CINEMA4K_24, VE, "cinema_mode" },
611  { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = OFF }, 0, 0, VE, "cinema_mode" },
612  { "2k_24", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_24 }, 0, 0, VE, "cinema_mode" },
613  { "2k_48", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_48 }, 0, 0, VE, "cinema_mode" },
614  { "4k_24", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA4K_24 }, 0, 0, VE, "cinema_mode" },
615  { "prog_order", "Progression Order", OFFSET(prog_order), AV_OPT_TYPE_INT, { .i64 = LRCP }, LRCP, CPRL, VE, "prog_order" },
616  { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LRCP }, 0, 0, VE, "prog_order" },
617  { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = RLCP }, 0, 0, VE, "prog_order" },
618  { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = RPCL }, 0, 0, VE, "prog_order" },
619  { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PCRL }, 0, 0, VE, "prog_order" },
620  { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPRL }, 0, 0, VE, "prog_order" },
621  { "numresolution", NULL, OFFSET(numresolution), AV_OPT_TYPE_INT, { .i64 = 6 }, 1, INT_MAX, VE },
622  { "numlayers", NULL, OFFSET(numlayers), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 10, VE },
623  { "disto_alloc", NULL, OFFSET(disto_alloc), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE },
624  { "fixed_alloc", NULL, OFFSET(fixed_alloc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
625  { "fixed_quality", NULL, OFFSET(fixed_quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
626  { NULL },
627 };
628 
629 static const AVClass openjpeg_class = {
630  .class_name = "libopenjpeg",
631  .item_name = av_default_item_name,
632  .option = options,
633  .version = LIBAVUTIL_VERSION_INT,
634 };
635 
637  .name = "libopenjpeg",
638  .long_name = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
639  .type = AVMEDIA_TYPE_VIDEO,
640  .id = AV_CODEC_ID_JPEG2000,
641  .priv_data_size = sizeof(LibOpenJPEGContext),
643  .encode2 = libopenjpeg_encode_frame,
646  .pix_fmts = (const enum AVPixelFormat[]) {
664  },
665  .priv_class = &openjpeg_class,
666 };