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FFmpeg/libavcodec/libopenjpegenc.c

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/*
* 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/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.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, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" },
{ "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, "format" },
{ "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, "format" },
{ "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = STD_RSIZ }, STD_RSIZ, CINEMA4K, VE, "profile" },
{ "jpeg2000", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = STD_RSIZ }, 0, 0, VE, "profile" },
{ "cinema2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K }, 0, 0, VE, "profile" },
{ "cinema4k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA4K }, 0, 0, VE, "profile" },
{ "cinema_mode", "Digital Cinema", OFFSET(cinema_mode), AV_OPT_TYPE_INT, { .i64 = OFF }, OFF, CINEMA4K_24, VE, "cinema_mode" },
{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = OFF }, 0, 0, VE, "cinema_mode" },
{ "2k_24", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_24 }, 0, 0, VE, "cinema_mode" },
{ "2k_48", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_48 }, 0, 0, VE, "cinema_mode" },
{ "4k_24", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CINEMA4K_24 }, 0, 0, VE, "cinema_mode" },
{ "prog_order", "Progression Order", OFFSET(prog_order), AV_OPT_TYPE_INT, { .i64 = LRCP }, LRCP, CPRL, VE, "prog_order" },
{ "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LRCP }, 0, 0, VE, "prog_order" },
{ "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = RLCP }, 0, 0, VE, "prog_order" },
{ "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = RPCL }, 0, 0, VE, "prog_order" },
{ "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PCRL }, 0, 0, VE, "prog_order" },
{ "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPRL }, 0, 0, VE, "prog_order" },
{ "numresolution", NULL, OFFSET(numresolution), AV_OPT_TYPE_INT, { .i64 = 6 }, 1, 10, VE },
{ "numlayers", NULL, OFFSET(numlayers), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 10, VE },
{ "disto_alloc", NULL, OFFSET(disto_alloc), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE },
{ "fixed_alloc", NULL, OFFSET(fixed_alloc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "fixed_quality", NULL, OFFSET(fixed_quality), AV_OPT_TYPE_INT, { .i64 = 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 = AV_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,
};