438 lines
16 KiB
C
438 lines
16 KiB
C
/*
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* JPEG 2000 encoding support via OpenJPEG
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* Copyright (c) 2011 Michael Bradshaw <mbradshaw@sorensonmedia.com>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* JPEG 2000 encoder using libopenjpeg
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*/
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#define OPJ_STATIC
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#include <openjpeg.h>
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#include "libavutil/common.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "internal.h"
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typedef struct {
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AVClass *avclass;
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opj_image_t *image;
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opj_cparameters_t enc_params;
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opj_cinfo_t *compress;
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opj_event_mgr_t event_mgr;
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int format;
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int profile;
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int prog_order;
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int cinema_mode;
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int numresolution;
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int numlayers;
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int disto_alloc;
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int fixed_alloc;
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int fixed_quality;
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} LibOpenJPEGContext;
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static void error_callback(const char *msg, void *data)
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{
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av_log(data, AV_LOG_ERROR, "%s\n", msg);
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}
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static void warning_callback(const char *msg, void *data)
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{
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av_log(data, AV_LOG_WARNING, "%s\n", msg);
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}
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static void info_callback(const char *msg, void *data)
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{
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av_log(data, AV_LOG_DEBUG, "%s\n", msg);
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}
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static opj_image_t *libopenjpeg_create_image(AVCodecContext *avctx,
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opj_cparameters_t *parameters)
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{
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opj_image_cmptparm_t *cmptparm;
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OPJ_COLOR_SPACE color_space;
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opj_image_t *img;
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int i;
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int sub_dx[4];
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int sub_dy[4];
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int numcomps = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
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sub_dx[0] =
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sub_dx[3] = 1;
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sub_dy[0] =
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sub_dy[3] = 1;
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sub_dx[1] =
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sub_dx[2] = 1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w;
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sub_dy[1] =
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sub_dy[2] = 1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h;
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switch (avctx->pix_fmt) {
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case AV_PIX_FMT_GRAY8:
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case AV_PIX_FMT_GRAY16:
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case AV_PIX_FMT_Y400A:
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color_space = CLRSPC_GRAY;
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break;
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case AV_PIX_FMT_RGB24:
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case AV_PIX_FMT_RGBA:
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case AV_PIX_FMT_RGB48:
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color_space = CLRSPC_SRGB;
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break;
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case AV_PIX_FMT_YUV410P:
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case AV_PIX_FMT_YUV411P:
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case AV_PIX_FMT_YUV420P:
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case AV_PIX_FMT_YUV422P:
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case AV_PIX_FMT_YUV440P:
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case AV_PIX_FMT_YUV444P:
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case AV_PIX_FMT_YUVA420P:
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case AV_PIX_FMT_YUV420P9:
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case AV_PIX_FMT_YUV422P9:
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case AV_PIX_FMT_YUV444P9:
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case AV_PIX_FMT_YUV420P10:
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case AV_PIX_FMT_YUV422P10:
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case AV_PIX_FMT_YUV444P10:
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case AV_PIX_FMT_YUV420P16:
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case AV_PIX_FMT_YUV422P16:
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case AV_PIX_FMT_YUV444P16:
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color_space = CLRSPC_SYCC;
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break;
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default:
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av_log(avctx, AV_LOG_ERROR,
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"The requested pixel format '%s' is not supported\n",
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av_get_pix_fmt_name(avctx->pix_fmt));
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return NULL;
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}
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cmptparm = av_mallocz(numcomps * sizeof(*cmptparm));
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if (!cmptparm) {
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av_log(avctx, AV_LOG_ERROR, "Not enough memory");
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return NULL;
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}
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for (i = 0; i < numcomps; i++) {
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cmptparm[i].prec =
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av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;
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cmptparm[i].bpp =
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av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;
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cmptparm[i].sgnd = 0;
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cmptparm[i].dx = sub_dx[i];
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cmptparm[i].dy = sub_dy[i];
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cmptparm[i].w = avctx->width / sub_dx[i];
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cmptparm[i].h = avctx->height / sub_dy[i];
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}
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img = opj_image_create(numcomps, cmptparm, color_space);
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av_freep(&cmptparm);
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return img;
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}
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static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)
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{
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LibOpenJPEGContext *ctx = avctx->priv_data;
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int err = AVERROR(ENOMEM);
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opj_set_default_encoder_parameters(&ctx->enc_params);
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ctx->enc_params.cp_rsiz = ctx->profile;
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ctx->enc_params.mode = !!avctx->global_quality;
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ctx->enc_params.cp_cinema = ctx->cinema_mode;
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ctx->enc_params.prog_order = ctx->prog_order;
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ctx->enc_params.numresolution = ctx->numresolution;
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ctx->enc_params.cp_disto_alloc = ctx->disto_alloc;
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ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc;
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ctx->enc_params.cp_fixed_quality = ctx->fixed_quality;
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ctx->enc_params.tcp_numlayers = ctx->numlayers;
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ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2;
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ctx->compress = opj_create_compress(ctx->format);
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if (!ctx->compress) {
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av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n");
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return AVERROR(ENOMEM);
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}
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avctx->coded_frame = avcodec_alloc_frame();
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if (!avctx->coded_frame) {
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av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n");
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goto fail;
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}
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ctx->image = libopenjpeg_create_image(avctx, &ctx->enc_params);
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if (!ctx->image) {
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av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");
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err = AVERROR(EINVAL);
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goto fail;
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}
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ctx->event_mgr.info_handler = info_callback;
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ctx->event_mgr.error_handler = error_callback;
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ctx->event_mgr.warning_handler = warning_callback;
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opj_set_event_mgr((opj_common_ptr)ctx->compress, &ctx->event_mgr, avctx);
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return 0;
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fail:
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av_freep(&ctx->compress);
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av_freep(&avctx->coded_frame);
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return err;
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}
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static void libopenjpeg_copy_packed8(AVCodecContext *avctx,
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const AVFrame *frame, opj_image_t *image)
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{
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int compno;
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int x, y;
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int image_index, frame_index;
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const int numcomps = image->numcomps;
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for (compno = 0; compno < numcomps; ++compno) {
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for (y = 0; y < avctx->height; ++y) {
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image_index = y * avctx->width;
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frame_index = y * frame->linesize[0] + compno;
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for (x = 0; x < avctx->width; ++x) {
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image->comps[compno].data[image_index++] =
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frame->data[0][frame_index];
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frame_index += numcomps;
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}
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}
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}
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}
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static void libopenjpeg_copy_packed16(AVCodecContext *avctx,
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const AVFrame *frame, opj_image_t *image)
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{
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int compno;
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int x, y;
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int image_index, frame_index;
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const int numcomps = image->numcomps;
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uint16_t *frame_ptr = (uint16_t*)frame->data[0];
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for (compno = 0; compno < numcomps; ++compno) {
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for (y = 0; y < avctx->height; ++y) {
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image_index = y * avctx->width;
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frame_index = y * (frame->linesize[0] / 2) + compno;
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for (x = 0; x < avctx->width; ++x) {
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image->comps[compno].data[image_index++] =
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frame_ptr[frame_index];
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frame_index += numcomps;
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}
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}
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}
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}
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static void libopenjpeg_copy_unpacked8(AVCodecContext *avctx,
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const AVFrame *frame, opj_image_t *image)
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{
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int compno;
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int x, y;
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int width, height;
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int image_index, frame_index;
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const int numcomps = image->numcomps;
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for (compno = 0; compno < numcomps; ++compno) {
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width = avctx->width / image->comps[compno].dx;
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height = avctx->height / image->comps[compno].dy;
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for (y = 0; y < height; ++y) {
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image_index = y * width;
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frame_index = y * frame->linesize[compno];
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for (x = 0; x < width; ++x)
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image->comps[compno].data[image_index++] =
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frame->data[compno][frame_index++];
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}
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}
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}
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static void libopenjpeg_copy_unpacked16(AVCodecContext *avctx,
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const AVFrame *frame,
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opj_image_t *image)
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{
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int compno;
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int x, y;
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int width, height;
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int image_index, frame_index;
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const int numcomps = image->numcomps;
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uint16_t *frame_ptr;
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for (compno = 0; compno < numcomps; ++compno) {
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width = avctx->width / image->comps[compno].dx;
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height = avctx->height / image->comps[compno].dy;
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frame_ptr = (uint16_t*)frame->data[compno];
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for (y = 0; y < height; ++y) {
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image_index = y * width;
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frame_index = y * (frame->linesize[compno] / 2);
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for (x = 0; x < width; ++x)
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image->comps[compno].data[image_index++] =
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frame_ptr[frame_index++];
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}
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}
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}
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static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *frame, int *got_packet)
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{
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LibOpenJPEGContext *ctx = avctx->priv_data;
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opj_cinfo_t *compress = ctx->compress;
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opj_image_t *image = ctx->image;
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opj_cio_t *stream;
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int ret, len;
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// x0, y0 is the top left corner of the image
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// x1, y1 is the width, height of the reference grid
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image->x0 = 0;
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image->y0 = 0;
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image->x1 = (avctx->width - 1) * ctx->enc_params.subsampling_dx + 1;
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image->y1 = (avctx->height - 1) * ctx->enc_params.subsampling_dy + 1;
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switch (avctx->pix_fmt) {
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case AV_PIX_FMT_RGB24:
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case AV_PIX_FMT_RGBA:
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case AV_PIX_FMT_Y400A:
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libopenjpeg_copy_packed8(avctx, frame, image);
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break;
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case AV_PIX_FMT_RGB48:
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libopenjpeg_copy_packed16(avctx, frame, image);
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break;
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case AV_PIX_FMT_GRAY8:
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case AV_PIX_FMT_YUV410P:
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case AV_PIX_FMT_YUV411P:
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case AV_PIX_FMT_YUV420P:
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case AV_PIX_FMT_YUV422P:
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case AV_PIX_FMT_YUV440P:
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case AV_PIX_FMT_YUV444P:
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case AV_PIX_FMT_YUVA420P:
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libopenjpeg_copy_unpacked8(avctx, frame, image);
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break;
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case AV_PIX_FMT_GRAY16:
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case AV_PIX_FMT_YUV420P9:
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case AV_PIX_FMT_YUV422P9:
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case AV_PIX_FMT_YUV444P9:
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case AV_PIX_FMT_YUV444P10:
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case AV_PIX_FMT_YUV422P10:
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case AV_PIX_FMT_YUV420P10:
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case AV_PIX_FMT_YUV444P16:
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case AV_PIX_FMT_YUV422P16:
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case AV_PIX_FMT_YUV420P16:
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libopenjpeg_copy_unpacked16(avctx, frame, image);
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break;
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default:
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av_log(avctx, AV_LOG_ERROR,
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"The frame's pixel format '%s' is not supported\n",
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av_get_pix_fmt_name(avctx->pix_fmt));
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return AVERROR(EINVAL);
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break;
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}
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opj_setup_encoder(compress, &ctx->enc_params, image);
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stream = opj_cio_open((opj_common_ptr)compress, NULL, 0);
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if (!stream) {
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av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n");
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return AVERROR(ENOMEM);
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}
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if (!opj_encode(compress, stream, image, NULL)) {
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opj_cio_close(stream);
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av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");
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return -1;
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}
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len = cio_tell(stream);
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if ((ret = ff_alloc_packet(pkt, len)) < 0) {
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opj_cio_close(stream);
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return ret;
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}
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memcpy(pkt->data, stream->buffer, len);
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pkt->flags |= AV_PKT_FLAG_KEY;
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*got_packet = 1;
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opj_cio_close(stream);
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return 0;
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}
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static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)
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{
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LibOpenJPEGContext *ctx = avctx->priv_data;
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opj_destroy_compress(ctx->compress);
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opj_image_destroy(ctx->image);
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av_freep(&avctx->coded_frame);
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return 0;
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}
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#define OFFSET(x) offsetof(LibOpenJPEGContext, x)
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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{ "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" },
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{ "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, "format" },
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{ "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, "format" },
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{ "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = STD_RSIZ }, STD_RSIZ, CINEMA4K, VE, "profile" },
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{ "jpeg2000", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = STD_RSIZ }, 0, 0, VE, "profile" },
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{ "cinema2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K }, 0, 0, VE, "profile" },
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{ "cinema4k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA4K }, 0, 0, VE, "profile" },
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{ "cinema_mode", "Digital Cinema", OFFSET(cinema_mode), AV_OPT_TYPE_INT, { .i64 = OFF }, OFF, CINEMA4K_24, VE, "cinema_mode" },
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{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = OFF }, 0, 0, VE, "cinema_mode" },
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{ "2k_24", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_24 }, 0, 0, VE, "cinema_mode" },
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{ "2k_48", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_48 }, 0, 0, VE, "cinema_mode" },
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{ "4k_24", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA4K_24 }, 0, 0, VE, "cinema_mode" },
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{ "prog_order", "Progression Order", OFFSET(prog_order), AV_OPT_TYPE_INT, { .i64 = LRCP }, LRCP, CPRL, VE, "prog_order" },
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{ "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LRCP }, 0, 0, VE, "prog_order" },
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{ "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = RLCP }, 0, 0, VE, "prog_order" },
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{ "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = RPCL }, 0, 0, VE, "prog_order" },
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{ "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PCRL }, 0, 0, VE, "prog_order" },
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{ "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPRL }, 0, 0, VE, "prog_order" },
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{ "numresolution", NULL, OFFSET(numresolution), AV_OPT_TYPE_INT, { .i64 = 6 }, 1, 10, VE },
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{ "numlayers", NULL, OFFSET(numlayers), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 10, VE },
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{ "disto_alloc", NULL, OFFSET(disto_alloc), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE },
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{ "fixed_alloc", NULL, OFFSET(fixed_alloc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
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{ "fixed_quality", NULL, OFFSET(fixed_quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
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{ NULL },
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};
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static const AVClass class = {
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.class_name = "libopenjpeg",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_libopenjpeg_encoder = {
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.name = "libopenjpeg",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_JPEG2000,
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.priv_data_size = sizeof(LibOpenJPEGContext),
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.init = libopenjpeg_encode_init,
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.encode2 = libopenjpeg_encode_frame,
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.close = libopenjpeg_encode_close,
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.capabilities = 0,
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.pix_fmts = (const enum AVPixelFormat[]) {
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AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48,
|
|
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16, AV_PIX_FMT_Y400A,
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P,
|
|
AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
|
|
AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
|
|
AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
|
|
AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
|
|
AV_PIX_FMT_NONE
|
|
},
|
|
.long_name = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
|
|
.priv_class = &class,
|
|
};
|