2 * JPEG 2000 encoding support via OpenJPEG
3 * Copyright (c) 2011 Michael Bradshaw <mbradshaw@sorensonmedia.com>
5 * This file is part of FFmpeg.
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.
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.
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
24 * JPEG 2000 encoder using libopenjpeg
30 #include "libavutil/avassert.h"
31 #include "libavutil/imgutils.h"
32 #include "libavutil/intreadwrite.h"
33 #include "libavutil/opt.h"
40 opj_cparameters_t enc_params;
41 opj_cinfo_t *compress;
42 opj_event_mgr_t event_mgr;
54 static void error_callback(const char *msg, void *data)
56 av_log(data, AV_LOG_ERROR, "%s\n", msg);
59 static void warning_callback(const char *msg, void *data)
61 av_log(data, AV_LOG_WARNING, "%s\n", msg);
64 static void info_callback(const char *msg, void *data)
66 av_log(data, AV_LOG_DEBUG, "%s\n", msg);
69 static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *parameters)
71 opj_image_cmptparm_t *cmptparm;
77 OPJ_COLOR_SPACE color_space = CLRSPC_UNKNOWN;
79 sub_dx[0] = sub_dx[3] = 1;
80 sub_dy[0] = sub_dy[3] = 1;
81 sub_dx[1] = sub_dx[2] = 1<<av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w;
82 sub_dy[1] = sub_dy[2] = 1<<av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h;
84 numcomps = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
86 switch (avctx->pix_fmt) {
90 color_space = CLRSPC_GRAY;
96 color_space = CLRSPC_SRGB;
100 case PIX_FMT_YUV420P:
101 case PIX_FMT_YUV422P:
102 case PIX_FMT_YUV440P:
103 case PIX_FMT_YUV444P:
104 case PIX_FMT_YUVA420P:
105 case PIX_FMT_YUVA422P:
106 case PIX_FMT_YUVA444P:
107 case PIX_FMT_YUV420P9:
108 case PIX_FMT_YUV422P9:
109 case PIX_FMT_YUV444P9:
110 case PIX_FMT_YUV420P10:
111 case PIX_FMT_YUV422P10:
112 case PIX_FMT_YUV444P10:
113 case PIX_FMT_YUV420P12:
114 case PIX_FMT_YUV422P12:
115 case PIX_FMT_YUV444P12:
116 case PIX_FMT_YUV420P14:
117 case PIX_FMT_YUV422P14:
118 case PIX_FMT_YUV444P14:
119 case PIX_FMT_YUV420P16:
120 case PIX_FMT_YUV422P16:
121 case PIX_FMT_YUV444P16:
122 color_space = CLRSPC_SYCC;
125 av_log(avctx, AV_LOG_ERROR,
126 "The requested pixel format '%s' is not supported\n",
127 av_get_pix_fmt_name(avctx->pix_fmt));
131 cmptparm = av_mallocz(numcomps * sizeof(*cmptparm));
133 av_log(avctx, AV_LOG_ERROR, "Not enough memory");
136 for (i = 0; i < numcomps; i++) {
137 cmptparm[i].prec = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;
138 cmptparm[i].bpp = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;
139 cmptparm[i].sgnd = 0;
140 cmptparm[i].dx = sub_dx[i];
141 cmptparm[i].dy = sub_dy[i];
142 cmptparm[i].w = avctx->width / sub_dx[i];
143 cmptparm[i].h = avctx->height / sub_dy[i];
146 img = opj_image_create(numcomps, cmptparm, color_space);
151 static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)
153 LibOpenJPEGContext *ctx = avctx->priv_data;
154 int err = AVERROR(ENOMEM);
156 opj_set_default_encoder_parameters(&ctx->enc_params);
158 ctx->enc_params.cp_rsiz = ctx->profile;
159 ctx->enc_params.mode = !!avctx->global_quality;
160 ctx->enc_params.cp_cinema = ctx->cinema_mode;
161 ctx->enc_params.prog_order = ctx->prog_order;
162 ctx->enc_params.numresolution = ctx->numresolution;
163 ctx->enc_params.cp_disto_alloc = ctx->disto_alloc;
164 ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc;
165 ctx->enc_params.cp_fixed_quality = ctx->fixed_quality;
166 ctx->enc_params.tcp_numlayers = ctx->numlayers;
167 ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2;
169 ctx->compress = opj_create_compress(ctx->format);
170 if (!ctx->compress) {
171 av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n");
172 return AVERROR(ENOMEM);
175 avctx->coded_frame = avcodec_alloc_frame();
176 if (!avctx->coded_frame) {
177 av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n");
181 ctx->image = mj2_create_image(avctx, &ctx->enc_params);
183 av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");
184 err = AVERROR(EINVAL);
188 memset(&ctx->event_mgr, 0, sizeof(opj_event_mgr_t));
189 ctx->event_mgr.info_handler = info_callback;
190 ctx->event_mgr.error_handler = error_callback;
191 ctx->event_mgr.warning_handler = warning_callback;
192 opj_set_event_mgr((opj_common_ptr)ctx->compress, &ctx->event_mgr, avctx);
197 av_freep(&ctx->compress);
198 av_freep(&avctx->coded_frame);
202 static int libopenjpeg_copy_packed8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
209 const int numcomps = image->numcomps;
211 for (compno = 0; compno < numcomps; ++compno) {
212 if (image->comps[compno].w > frame->linesize[0] / numcomps) {
213 av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
218 for (compno = 0; compno < numcomps; ++compno) {
219 for (y = 0; y < avctx->height; ++y) {
220 image_index = y * avctx->width;
221 frame_index = y * frame->linesize[0] + compno;
222 for (x = 0; x < avctx->width; ++x) {
223 image->comps[compno].data[image_index++] = frame->data[0][frame_index];
224 frame_index += numcomps;
232 static int libopenjpeg_copy_packed16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
239 const int numcomps = image->numcomps;
240 uint16_t *frame_ptr = (uint16_t*)frame->data[0];
242 for (compno = 0; compno < numcomps; ++compno) {
243 if (image->comps[compno].w > frame->linesize[0] / numcomps) {
244 av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
249 for (compno = 0; compno < numcomps; ++compno) {
250 for (y = 0; y < avctx->height; ++y) {
251 image_index = y * avctx->width;
252 frame_index = y * (frame->linesize[0] / 2) + compno;
253 for (x = 0; x < avctx->width; ++x) {
254 image->comps[compno].data[image_index++] = frame_ptr[frame_index];
255 frame_index += numcomps;
263 static int libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
272 const int numcomps = image->numcomps;
274 for (compno = 0; compno < numcomps; ++compno) {
275 if (image->comps[compno].w > frame->linesize[compno]) {
276 av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
281 for (compno = 0; compno < numcomps; ++compno) {
282 width = avctx->width / image->comps[compno].dx;
283 height = avctx->height / image->comps[compno].dy;
284 for (y = 0; y < height; ++y) {
285 image_index = y * width;
286 frame_index = y * frame->linesize[compno];
287 for (x = 0; x < width; ++x)
288 image->comps[compno].data[image_index++] = frame->data[compno][frame_index++];
295 static int libopenjpeg_copy_unpacked16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
304 const int numcomps = image->numcomps;
307 for (compno = 0; compno < numcomps; ++compno) {
308 if (image->comps[compno].w > frame->linesize[compno]) {
309 av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
314 for (compno = 0; compno < numcomps; ++compno) {
315 width = avctx->width / image->comps[compno].dx;
316 height = avctx->height / image->comps[compno].dy;
317 frame_ptr = (uint16_t*)frame->data[compno];
318 for (y = 0; y < height; ++y) {
319 image_index = y * width;
320 frame_index = y * (frame->linesize[compno] / 2);
321 for (x = 0; x < width; ++x)
322 image->comps[compno].data[image_index++] = frame_ptr[frame_index++];
329 static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
330 const AVFrame *frame, int *got_packet)
332 LibOpenJPEGContext *ctx = avctx->priv_data;
333 opj_cinfo_t *compress = ctx->compress;
334 opj_image_t *image = ctx->image;
339 // x0, y0 is the top left corner of the image
340 // x1, y1 is the width, height of the reference grid
343 image->x1 = (avctx->width - 1) * ctx->enc_params.subsampling_dx + 1;
344 image->y1 = (avctx->height - 1) * ctx->enc_params.subsampling_dy + 1;
346 switch (avctx->pix_fmt) {
350 cpyresult = libopenjpeg_copy_packed8(avctx, frame, image);
354 cpyresult = libopenjpeg_copy_packed16(avctx, frame, image);
357 case PIX_FMT_YUV410P:
358 case PIX_FMT_YUV411P:
359 case PIX_FMT_YUV420P:
360 case PIX_FMT_YUV422P:
361 case PIX_FMT_YUV440P:
362 case PIX_FMT_YUV444P:
363 case PIX_FMT_YUVA420P:
364 case PIX_FMT_YUVA422P:
365 case PIX_FMT_YUVA444P:
366 cpyresult = libopenjpeg_copy_unpacked8(avctx, frame, image);
369 case PIX_FMT_YUV420P9:
370 case PIX_FMT_YUV422P9:
371 case PIX_FMT_YUV444P9:
372 case PIX_FMT_YUV444P10:
373 case PIX_FMT_YUV422P10:
374 case PIX_FMT_YUV420P10:
375 case PIX_FMT_YUV420P12:
376 case PIX_FMT_YUV422P12:
377 case PIX_FMT_YUV444P12:
378 case PIX_FMT_YUV420P14:
379 case PIX_FMT_YUV422P14:
380 case PIX_FMT_YUV444P14:
381 case PIX_FMT_YUV444P16:
382 case PIX_FMT_YUV422P16:
383 case PIX_FMT_YUV420P16:
384 cpyresult = libopenjpeg_copy_unpacked16(avctx, frame, image);
387 av_log(avctx, AV_LOG_ERROR,
388 "The frame's pixel format '%s' is not supported\n",
389 av_get_pix_fmt_name(avctx->pix_fmt));
390 return AVERROR(EINVAL);
395 av_log(avctx, AV_LOG_ERROR,
396 "Could not copy the frame data to the internal image buffer\n");
400 opj_setup_encoder(compress, &ctx->enc_params, image);
401 stream = opj_cio_open((opj_common_ptr)compress, NULL, 0);
403 av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n");
404 return AVERROR(ENOMEM);
407 if (!opj_encode(compress, stream, image, NULL)) {
408 opj_cio_close(stream);
409 av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");
413 len = cio_tell(stream);
414 if ((ret = ff_alloc_packet2(avctx, pkt, len)) < 0) {
415 opj_cio_close(stream);
419 memcpy(pkt->data, stream->buffer, len);
420 pkt->flags |= AV_PKT_FLAG_KEY;
422 opj_cio_close(stream);
426 static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)
428 LibOpenJPEGContext *ctx = avctx->priv_data;
430 opj_destroy_compress(ctx->compress);
431 opj_image_destroy(ctx->image);
432 av_freep(&avctx->coded_frame);
436 #define OFFSET(x) offsetof(LibOpenJPEGContext, x)
437 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
438 static const AVOption options[] = {
439 { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" },
440 { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { CODEC_J2K }, 0, 0, VE, "format" },
441 { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { CODEC_JP2 }, 0, 0, VE, "format" },
442 { "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT, { STD_RSIZ }, STD_RSIZ, CINEMA4K, VE, "profile" },
443 { "jpeg2000", NULL, 0, AV_OPT_TYPE_CONST, { STD_RSIZ }, 0, 0, VE, "profile" },
444 { "cinema2k", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K }, 0, 0, VE, "profile" },
445 { "cinema4k", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA4K }, 0, 0, VE, "profile" },
446 { "cinema_mode", "Digital Cinema", OFFSET(cinema_mode), AV_OPT_TYPE_INT, { OFF }, OFF, CINEMA4K_24, VE, "cinema_mode" },
447 { "off", NULL, 0, AV_OPT_TYPE_CONST, { OFF }, 0, 0, VE, "cinema_mode" },
448 { "2k_24", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K_24 }, 0, 0, VE, "cinema_mode" },
449 { "2k_48", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K_48 }, 0, 0, VE, "cinema_mode" },
450 { "4k_24", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA4K_24 }, 0, 0, VE, "cinema_mode" },
451 { "prog_order", "Progression Order", OFFSET(prog_order), AV_OPT_TYPE_INT, { LRCP }, LRCP, CPRL, VE, "prog_order" },
452 { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { LRCP }, 0, 0, VE, "prog_order" },
453 { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { RLCP }, 0, 0, VE, "prog_order" },
454 { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { RPCL }, 0, 0, VE, "prog_order" },
455 { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { PCRL }, 0, 0, VE, "prog_order" },
456 { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { CPRL }, 0, 0, VE, "prog_order" },
457 { "numresolution", NULL, OFFSET(numresolution), AV_OPT_TYPE_INT, { 6 }, 1, INT_MAX, VE },
458 { "numlayers", NULL, OFFSET(numlayers), AV_OPT_TYPE_INT, { 1 }, 1, 10, VE },
459 { "disto_alloc", NULL, OFFSET(disto_alloc), AV_OPT_TYPE_INT, { 1 }, 0, 1, VE },
460 { "fixed_alloc", NULL, OFFSET(fixed_alloc), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE },
461 { "fixed_quality", NULL, OFFSET(fixed_quality), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE },
465 static const AVClass class = {
466 .class_name = "libopenjpeg",
467 .item_name = av_default_item_name,
469 .version = LIBAVUTIL_VERSION_INT,
472 AVCodec ff_libopenjpeg_encoder = {
473 .name = "libopenjpeg",
474 .type = AVMEDIA_TYPE_VIDEO,
475 .id = CODEC_ID_JPEG2000,
476 .priv_data_size = sizeof(LibOpenJPEGContext),
477 .init = libopenjpeg_encode_init,
478 .encode2 = libopenjpeg_encode_frame,
479 .close = libopenjpeg_encode_close,
481 .pix_fmts = (const enum PixelFormat[]) {
482 PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_RGB48, PIX_FMT_RGBA64,
483 PIX_FMT_GRAY8, PIX_FMT_GRAY8A, PIX_FMT_GRAY16,
484 PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUVA420P,
485 PIX_FMT_YUV440P, PIX_FMT_YUV444P, PIX_FMT_YUVA422P,
486 PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_YUVA444P,
487 PIX_FMT_YUV420P9, PIX_FMT_YUV422P9, PIX_FMT_YUV444P9,
488 PIX_FMT_YUV420P10, PIX_FMT_YUV422P10, PIX_FMT_YUV444P10,
489 PIX_FMT_YUV420P12, PIX_FMT_YUV422P12, PIX_FMT_YUV444P12,
490 PIX_FMT_YUV420P14, PIX_FMT_YUV422P14, PIX_FMT_YUV444P14,
491 PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16,
494 .long_name = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
495 .priv_class = &class,