From 453c02f971fc7865dea396731accbcd7ab6d3728 Mon Sep 17 00:00:00 2001 From: Michael Bradshaw Date: Thu, 17 Nov 2011 16:57:09 -0700 Subject: libopenjpeg: introduce encoding support Based on FFmpeg version from commit 713a7854e06964abc8f7d015b94acbed27769d24 Signed-off-by: Luca Barbato --- libavcodec/libopenjpegenc.c | 437 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 437 insertions(+) create mode 100644 libavcodec/libopenjpegenc.c (limited to 'libavcodec/libopenjpegenc.c') diff --git a/libavcodec/libopenjpegenc.c b/libavcodec/libopenjpegenc.c new file mode 100644 index 0000000000..6a9e138cc8 --- /dev/null +++ b/libavcodec/libopenjpegenc.c @@ -0,0 +1,437 @@ +/* + * JPEG 2000 encoding support via OpenJPEG + * Copyright (c) 2011 Michael Bradshaw + * + * 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 + +#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, +}; 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