/* * JPEG 2000 encoding support via OpenJPEG * Copyright (c) 2011 Michael Bradshaw <mbradshaw@sorensonmedia.com> * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * JPEG 2000 encoder using libopenjpeg */ #define OPJ_STATIC #include <openjpeg.h> #include "libavutil/opt.h" #include "libavutil/imgutils.h" #include "libavutil/intreadwrite.h" #include "avcodec.h" #include "internal.h" typedef struct { AVClass *avclass; opj_image_t *image; opj_cparameters_t enc_params; opj_cinfo_t *compress; opj_event_mgr_t event_mgr; int format; int profile; int prog_order; int cinema_mode; int numresolution; int numlayers; int disto_alloc; int fixed_alloc; int fixed_quality; } LibOpenJPEGContext; static void error_callback(const char *msg, void *data) { av_log(data, AV_LOG_ERROR, "%s\n", msg); } static void warning_callback(const char *msg, void *data) { av_log(data, AV_LOG_WARNING, "%s\n", msg); } static void info_callback(const char *msg, void *data) { av_log(data, AV_LOG_DEBUG, "%s\n", msg); } static opj_image_t *libopenjpeg_create_image(AVCodecContext *avctx, opj_cparameters_t *parameters) { opj_image_cmptparm_t *cmptparm; OPJ_COLOR_SPACE color_space; opj_image_t *img; int i; int sub_dx[4]; int sub_dy[4]; int numcomps = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components; sub_dx[0] = sub_dx[3] = 1; sub_dy[0] = sub_dy[3] = 1; sub_dx[1] = sub_dx[2] = 1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w; sub_dy[1] = sub_dy[2] = 1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h; switch (avctx->pix_fmt) { case PIX_FMT_GRAY8: case PIX_FMT_GRAY16: case PIX_FMT_Y400A: color_space = CLRSPC_GRAY; break; case PIX_FMT_RGB24: case PIX_FMT_RGBA: case PIX_FMT_RGB48: color_space = CLRSPC_SRGB; break; case PIX_FMT_YUV410P: case PIX_FMT_YUV411P: case PIX_FMT_YUV420P: case PIX_FMT_YUV422P: case PIX_FMT_YUV440P: case PIX_FMT_YUV444P: case PIX_FMT_YUVA420P: case PIX_FMT_YUV420P9: case PIX_FMT_YUV422P9: case PIX_FMT_YUV444P9: case PIX_FMT_YUV420P10: case PIX_FMT_YUV422P10: case PIX_FMT_YUV444P10: case PIX_FMT_YUV420P16: case PIX_FMT_YUV422P16: case PIX_FMT_YUV444P16: color_space = CLRSPC_SYCC; break; default: av_log(avctx, AV_LOG_ERROR, "The requested pixel format '%s' is not supported\n", av_get_pix_fmt_name(avctx->pix_fmt)); return NULL; } cmptparm = av_mallocz(numcomps * sizeof(*cmptparm)); if (!cmptparm) { av_log(avctx, AV_LOG_ERROR, "Not enough memory"); return NULL; } for (i = 0; i < numcomps; i++) { cmptparm[i].prec = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1; cmptparm[i].bpp = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1; cmptparm[i].sgnd = 0; cmptparm[i].dx = sub_dx[i]; cmptparm[i].dy = sub_dy[i]; cmptparm[i].w = avctx->width / sub_dx[i]; cmptparm[i].h = avctx->height / sub_dy[i]; } img = opj_image_create(numcomps, cmptparm, color_space); av_freep(&cmptparm); return img; } static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx) { LibOpenJPEGContext *ctx = avctx->priv_data; int err = AVERROR(ENOMEM); opj_set_default_encoder_parameters(&ctx->enc_params); ctx->enc_params.cp_rsiz = ctx->profile; ctx->enc_params.mode = !!avctx->global_quality; ctx->enc_params.cp_cinema = ctx->cinema_mode; ctx->enc_params.prog_order = ctx->prog_order; ctx->enc_params.numresolution = ctx->numresolution; ctx->enc_params.cp_disto_alloc = ctx->disto_alloc; ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc; ctx->enc_params.cp_fixed_quality = ctx->fixed_quality; ctx->enc_params.tcp_numlayers = ctx->numlayers; ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2; ctx->compress = opj_create_compress(ctx->format); if (!ctx->compress) { av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n"); return AVERROR(ENOMEM); } avctx->coded_frame = avcodec_alloc_frame(); if (!avctx->coded_frame) { av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n"); goto fail; } ctx->image = libopenjpeg_create_image(avctx, &ctx->enc_params); if (!ctx->image) { av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n"); err = AVERROR(EINVAL); goto fail; } ctx->event_mgr.info_handler = info_callback; ctx->event_mgr.error_handler = error_callback; ctx->event_mgr.warning_handler = warning_callback; opj_set_event_mgr((opj_common_ptr)ctx->compress, &ctx->event_mgr, avctx); return 0; fail: av_freep(&ctx->compress); av_freep(&avctx->coded_frame); return err; } static void libopenjpeg_copy_packed8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image) { int compno; int x, y; int image_index, frame_index; const int numcomps = image->numcomps; for (compno = 0; compno < numcomps; ++compno) { for (y = 0; y < avctx->height; ++y) { image_index = y * avctx->width; frame_index = y * frame->linesize[0] + compno; for (x = 0; x < avctx->width; ++x) { image->comps[compno].data[image_index++] = frame->data[0][frame_index]; frame_index += numcomps; } } } } static void libopenjpeg_copy_packed16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image) { int compno; int x, y; int image_index, frame_index; const int numcomps = image->numcomps; uint16_t *frame_ptr = (uint16_t*)frame->data[0]; for (compno = 0; compno < numcomps; ++compno) { for (y = 0; y < avctx->height; ++y) { image_index = y * avctx->width; frame_index = y * (frame->linesize[0] / 2) + compno; for (x = 0; x < avctx->width; ++x) { image->comps[compno].data[image_index++] = frame_ptr[frame_index]; frame_index += numcomps; } } } } static void libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image) { int compno; int x, y; int width, height; int image_index, frame_index; const int numcomps = image->numcomps; for (compno = 0; compno < numcomps; ++compno) { width = avctx->width / image->comps[compno].dx; height = avctx->height / image->comps[compno].dy; for (y = 0; y < height; ++y) { image_index = y * width; frame_index = y * frame->linesize[compno]; for (x = 0; x < width; ++x) { image->comps[compno].data[image_index++] = frame->data[compno][frame_index++]; } } } } static void libopenjpeg_copy_unpacked16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image) { int compno; int x, y; int width, height; int image_index, frame_index; const int numcomps = image->numcomps; uint16_t *frame_ptr; for (compno = 0; compno < numcomps; ++compno) { width = avctx->width / image->comps[compno].dx; height = avctx->height / image->comps[compno].dy; frame_ptr = (uint16_t*)frame->data[compno]; for (y = 0; y < height; ++y) { image_index = y * width; frame_index = y * (frame->linesize[compno] / 2); for (x = 0; x < width; ++x) { image->comps[compno].data[image_index++] = frame_ptr[frame_index++]; } } } } static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { LibOpenJPEGContext *ctx = avctx->priv_data; opj_cinfo_t *compress = ctx->compress; opj_image_t *image = ctx->image; opj_cio_t *stream; int ret, len; // x0, y0 is the top left corner of the image // x1, y1 is the width, height of the reference grid image->x0 = 0; image->y0 = 0; image->x1 = (avctx->width - 1) * ctx->enc_params.subsampling_dx + 1; image->y1 = (avctx->height - 1) * ctx->enc_params.subsampling_dy + 1; switch (avctx->pix_fmt) { case PIX_FMT_RGB24: case PIX_FMT_RGBA: case PIX_FMT_Y400A: libopenjpeg_copy_packed8(avctx, frame, image); break; case PIX_FMT_RGB48: libopenjpeg_copy_packed16(avctx, frame, image); break; case PIX_FMT_GRAY8: case PIX_FMT_YUV410P: case PIX_FMT_YUV411P: case PIX_FMT_YUV420P: case PIX_FMT_YUV422P: case PIX_FMT_YUV440P: case PIX_FMT_YUV444P: case PIX_FMT_YUVA420P: libopenjpeg_copy_unpacked8(avctx, frame, image); break; case PIX_FMT_GRAY16: case PIX_FMT_YUV420P9: case PIX_FMT_YUV422P9: case PIX_FMT_YUV444P9: case PIX_FMT_YUV444P10: case PIX_FMT_YUV422P10: case PIX_FMT_YUV420P10: case PIX_FMT_YUV444P16: case PIX_FMT_YUV422P16: case PIX_FMT_YUV420P16: libopenjpeg_copy_unpacked16(avctx, frame, image); break; default: av_log(avctx, AV_LOG_ERROR, "The frame's pixel format '%s' is not supported\n", av_get_pix_fmt_name(avctx->pix_fmt)); return AVERROR(EINVAL); break; } opj_setup_encoder(compress, &ctx->enc_params, image); stream = opj_cio_open((opj_common_ptr)compress, NULL, 0); if (!stream) { av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n"); return AVERROR(ENOMEM); } if (!opj_encode(compress, stream, image, NULL)) { opj_cio_close(stream); av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n"); return -1; } len = cio_tell(stream); if ((ret = ff_alloc_packet(pkt, len)) < 0) { opj_cio_close(stream); return ret; } memcpy(pkt->data, stream->buffer, len); pkt->flags |= AV_PKT_FLAG_KEY; *got_packet = 1; opj_cio_close(stream); return 0; } static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx) { LibOpenJPEGContext *ctx = avctx->priv_data; opj_destroy_compress(ctx->compress); opj_image_destroy(ctx->image); av_freep(&avctx->coded_frame); return 0 ; } #define OFFSET(x) offsetof(LibOpenJPEGContext, x) #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" }, { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { CODEC_J2K }, 0, 0, VE, "format" }, { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { CODEC_JP2 }, 0, 0, VE, "format" }, { "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT, { STD_RSIZ }, STD_RSIZ, CINEMA4K, VE, "profile" }, { "jpeg2000", NULL, 0, AV_OPT_TYPE_CONST, { STD_RSIZ }, 0, 0, VE, "profile" }, { "cinema2k", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K }, 0, 0, VE, "profile" }, { "cinema4k", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA4K }, 0, 0, VE, "profile" }, { "cinema_mode", "Digital Cinema", OFFSET(cinema_mode), AV_OPT_TYPE_INT, { OFF }, OFF, CINEMA4K_24, VE, "cinema_mode" }, { "off", NULL, 0, AV_OPT_TYPE_CONST, { OFF }, 0, 0, VE, "cinema_mode" }, { "2k_24", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K_24 }, 0, 0, VE, "cinema_mode" }, { "2k_48", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K_48 }, 0, 0, VE, "cinema_mode" }, { "4k_24", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA4K_24 }, 0, 0, VE, "cinema_mode" }, { "prog_order", "Progression Order", OFFSET(prog_order), AV_OPT_TYPE_INT, { LRCP }, LRCP, CPRL, VE, "prog_order" }, { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { LRCP }, 0, 0, VE, "prog_order" }, { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { RLCP }, 0, 0, VE, "prog_order" }, { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { RPCL }, 0, 0, VE, "prog_order" }, { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { PCRL }, 0, 0, VE, "prog_order" }, { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { CPRL }, 0, 0, VE, "prog_order" }, { "numresolution", NULL, OFFSET(numresolution), AV_OPT_TYPE_INT, { 6 }, 1, 10, VE }, { "numlayers", NULL, OFFSET(numlayers), AV_OPT_TYPE_INT, { 1 }, 1, 10, VE }, { "disto_alloc", NULL, OFFSET(disto_alloc), AV_OPT_TYPE_INT, { 1 }, 0, 1, VE }, { "fixed_alloc", NULL, OFFSET(fixed_alloc), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE }, { "fixed_quality", NULL, OFFSET(fixed_quality), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE }, { NULL }, }; static const AVClass class = { .class_name = "libopenjpeg", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; AVCodec ff_libopenjpeg_encoder = { .name = "libopenjpeg", .type = AVMEDIA_TYPE_VIDEO, .id = CODEC_ID_JPEG2000, .priv_data_size = sizeof(LibOpenJPEGContext), .init = libopenjpeg_encode_init, .encode2 = libopenjpeg_encode_frame, .close = libopenjpeg_encode_close, .capabilities = 0, .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_RGB48, PIX_FMT_GRAY8, PIX_FMT_GRAY16, PIX_FMT_Y400A, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUVA420P, PIX_FMT_YUV440P, PIX_FMT_YUV444P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_YUV420P9, PIX_FMT_YUV422P9, PIX_FMT_YUV444P9, PIX_FMT_YUV420P10, PIX_FMT_YUV422P10, PIX_FMT_YUV444P10, PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, PIX_FMT_NONE }, .long_name = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"), .priv_class = &class, };