mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
libopenjpeg: introduce encoding support
Based on FFmpeg version from
commit 713a7854e0
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
parent
b43a7bb4f9
commit
453c02f971
@ -37,6 +37,7 @@ version <next>:
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- Microsoft Expression Encoder Screen decoder
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- RTMPS protocol support
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- RTMPTS protocol support
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- JPEG 2000 encoding support through OpenJPEG
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version 0.8:
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3
configure
vendored
3
configure
vendored
@ -178,7 +178,7 @@ External library support:
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--enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
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--enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
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--enable-libopencv enable video filtering via libopencv [no]
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--enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
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--enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
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--enable-libpulse enable Pulseaudio input via libpulse [no]
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--enable-librtmp enable RTMP[E] support via librtmp [no]
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--enable-libschroedinger enable Dirac support via libschroedinger [no]
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@ -1462,6 +1462,7 @@ libopencore_amrnb_decoder_deps="libopencore_amrnb"
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libopencore_amrnb_encoder_deps="libopencore_amrnb"
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libopencore_amrwb_decoder_deps="libopencore_amrwb"
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libopenjpeg_decoder_deps="libopenjpeg"
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libopenjpeg_encoder_deps="libopenjpeg"
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libschroedinger_decoder_deps="libschroedinger"
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libschroedinger_encoder_deps="libschroedinger"
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libspeex_decoder_deps="libspeex"
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@ -372,7 +372,7 @@ following image formats are supported:
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@tab Digital Picture Exchange
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@item JPEG @tab X @tab X
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@tab Progressive JPEG is not supported.
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@item JPEG 2000 @tab @tab E
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@item JPEG 2000 @tab E @tab E
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@tab decoding supported through external library libopenjpeg
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@item JPEG-LS @tab X @tab X
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@item LJPEG @tab X @tab
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@ -612,6 +612,7 @@ OBJS-$(CONFIG_LIBOPENCORE_AMRNB_DECODER) += libopencore-amr.o
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OBJS-$(CONFIG_LIBOPENCORE_AMRNB_ENCODER) += libopencore-amr.o
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OBJS-$(CONFIG_LIBOPENCORE_AMRWB_DECODER) += libopencore-amr.o
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OBJS-$(CONFIG_LIBOPENJPEG_DECODER) += libopenjpegdec.o
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OBJS-$(CONFIG_LIBOPENJPEG_ENCODER) += libopenjpegenc.o
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OBJS-$(CONFIG_LIBSCHROEDINGER_DECODER) += libschroedingerdec.o \
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libschroedinger.o
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OBJS-$(CONFIG_LIBSCHROEDINGER_ENCODER) += libschroedingerenc.o \
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@ -388,7 +388,7 @@ void avcodec_register_all(void)
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REGISTER_ENCODER (LIBMP3LAME, libmp3lame);
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REGISTER_ENCDEC (LIBOPENCORE_AMRNB, libopencore_amrnb);
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REGISTER_DECODER (LIBOPENCORE_AMRWB, libopencore_amrwb);
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REGISTER_DECODER (LIBOPENJPEG, libopenjpeg);
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REGISTER_ENCDEC (LIBOPENJPEG, libopenjpeg);
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REGISTER_ENCDEC (LIBSCHROEDINGER, libschroedinger);
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REGISTER_ENCDEC (LIBSPEEX, libspeex);
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REGISTER_ENCODER (LIBTHEORA, libtheora);
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437
libavcodec/libopenjpegenc.c
Normal file
437
libavcodec/libopenjpegenc.c
Normal file
@ -0,0 +1,437 @@
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/*
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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/opt.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/intreadwrite.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] = sub_dx[3] = 1;
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sub_dy[0] = sub_dy[3] = 1;
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sub_dx[1] = sub_dx[2] =
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1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w;
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sub_dy[1] = sub_dy[2] =
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1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h;
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switch (avctx->pix_fmt) {
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case PIX_FMT_GRAY8:
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case PIX_FMT_GRAY16:
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case PIX_FMT_Y400A:
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color_space = CLRSPC_GRAY;
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break;
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case PIX_FMT_RGB24:
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case PIX_FMT_RGBA:
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case PIX_FMT_RGB48:
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color_space = CLRSPC_SRGB;
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break;
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case PIX_FMT_YUV410P:
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case PIX_FMT_YUV411P:
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case PIX_FMT_YUV420P:
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case PIX_FMT_YUV422P:
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case PIX_FMT_YUV440P:
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case PIX_FMT_YUV444P:
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case PIX_FMT_YUVA420P:
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case PIX_FMT_YUV420P9:
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case PIX_FMT_YUV422P9:
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case PIX_FMT_YUV444P9:
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case PIX_FMT_YUV420P10:
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case PIX_FMT_YUV422P10:
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case PIX_FMT_YUV444P10:
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case PIX_FMT_YUV420P16:
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case PIX_FMT_YUV422P16:
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case 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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}
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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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}
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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 PIX_FMT_RGB24:
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case PIX_FMT_RGBA:
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case PIX_FMT_Y400A:
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libopenjpeg_copy_packed8(avctx, frame, image);
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break;
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case PIX_FMT_RGB48:
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libopenjpeg_copy_packed16(avctx, frame, image);
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break;
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case PIX_FMT_GRAY8:
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case PIX_FMT_YUV410P:
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case PIX_FMT_YUV411P:
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case PIX_FMT_YUV420P:
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case PIX_FMT_YUV422P:
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case PIX_FMT_YUV440P:
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case PIX_FMT_YUV444P:
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case PIX_FMT_YUVA420P:
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libopenjpeg_copy_unpacked8(avctx, frame, image);
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break;
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case PIX_FMT_GRAY16:
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case PIX_FMT_YUV420P9:
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case PIX_FMT_YUV422P9:
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case PIX_FMT_YUV444P9:
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case PIX_FMT_YUV444P10:
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case PIX_FMT_YUV422P10:
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case PIX_FMT_YUV420P10:
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case PIX_FMT_YUV444P16:
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case PIX_FMT_YUV422P16:
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case 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);
|
||||
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,
|
||||
};
|
@ -27,7 +27,7 @@
|
||||
*/
|
||||
|
||||
#define LIBAVCODEC_VERSION_MAJOR 54
|
||||
#define LIBAVCODEC_VERSION_MINOR 21
|
||||
#define LIBAVCODEC_VERSION_MINOR 22
|
||||
#define LIBAVCODEC_VERSION_MICRO 0
|
||||
|
||||
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
|
||||
|
Loading…
Reference in New Issue
Block a user