mirror of https://git.ffmpeg.org/ffmpeg.git
438 lines
16 KiB
C
438 lines
16 KiB
C
/*
|
|
* 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,
|
|
};
|