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Merge commit '8a70ef94b9c377293b3dfa7d92cdc81a4fe1543a'
* commit '8a70ef94b9c377293b3dfa7d92cdc81a4fe1543a': libavformat: Add a muxer wrapping mpegts encoding into RTP Conflicts: Changelog libavformat/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
7ef515cda5
@ -6,6 +6,7 @@ version <next>:
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- 10bit spp filter
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- colorlevels filter
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- RIFX format for *.wav files
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- RTP/mpegts muxer
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version 2.5:
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@ -363,6 +363,7 @@ OBJS-$(CONFIG_RSD_DEMUXER) += rsd.o
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OBJS-$(CONFIG_RSO_DEMUXER) += rsodec.o rso.o pcm.o
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OBJS-$(CONFIG_RSO_MUXER) += rsoenc.o rso.o
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OBJS-$(CONFIG_RPL_DEMUXER) += rpl.o
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OBJS-$(CONFIG_RTP_MPEGTS_MUXER) += rtpenc_mpegts.o
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OBJS-$(CONFIG_RTP_MUXER) += rtp.o \
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rtpenc_aac.o \
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rtpenc_latm.o \
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@ -254,6 +254,7 @@ void av_register_all(void)
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REGISTER_DEMUXER (RSD, rsd);
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REGISTER_MUXDEMUX(RSO, rso);
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REGISTER_MUXDEMUX(RTP, rtp);
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REGISTER_MUXER (RTP_MPEGTS, rtp_mpegts);
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REGISTER_MUXDEMUX(RTSP, rtsp);
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REGISTER_DEMUXER (SAMI, sami);
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REGISTER_MUXDEMUX(SAP, sap);
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165
libavformat/rtpenc_mpegts.c
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165
libavformat/rtpenc_mpegts.c
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@ -0,0 +1,165 @@
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/*
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* RTP/mpegts muxer
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* Copyright (c) 2011 Martin Storsjo
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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#include "libavutil/mathematics.h"
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#include "avformat.h"
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struct MuxChain {
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AVFormatContext *mpegts_ctx;
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AVFormatContext *rtp_ctx;
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};
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static int rtp_mpegts_write_close(AVFormatContext *s)
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{
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struct MuxChain *chain = s->priv_data;
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if (chain->mpegts_ctx) {
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if (!chain->mpegts_ctx->pb)
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avio_open_dyn_buf(&chain->mpegts_ctx->pb);
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if (chain->mpegts_ctx->pb) {
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uint8_t *buf;
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av_write_trailer(chain->mpegts_ctx);
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avio_close_dyn_buf(chain->mpegts_ctx->pb, &buf);
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av_free(buf);
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}
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avformat_free_context(chain->mpegts_ctx);
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}
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if (chain->rtp_ctx) {
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av_write_trailer(chain->rtp_ctx);
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avformat_free_context(chain->rtp_ctx);
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}
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return 0;
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}
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static int rtp_mpegts_write_header(AVFormatContext *s)
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{
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struct MuxChain *chain = s->priv_data;
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AVFormatContext *mpegts_ctx = NULL, *rtp_ctx = NULL;
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AVOutputFormat *mpegts_format = av_guess_format("mpegts", NULL, NULL);
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AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
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int i, ret = AVERROR(ENOMEM);
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AVStream *st;
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if (!mpegts_format || !rtp_format)
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return AVERROR(ENOSYS);
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mpegts_ctx = avformat_alloc_context();
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if (!mpegts_ctx)
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return AVERROR(ENOMEM);
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mpegts_ctx->oformat = mpegts_format;
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mpegts_ctx->max_delay = s->max_delay;
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for (i = 0; i < s->nb_streams; i++) {
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AVStream* st = avformat_new_stream(mpegts_ctx, NULL);
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if (!st)
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goto fail;
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st->time_base = s->streams[i]->time_base;
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st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio;
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avcodec_copy_context(st->codec, s->streams[i]->codec);
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}
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if ((ret = avio_open_dyn_buf(&mpegts_ctx->pb)) < 0)
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goto fail;
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if ((ret = avformat_write_header(mpegts_ctx, NULL)) < 0)
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goto fail;
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for (i = 0; i < s->nb_streams; i++)
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s->streams[i]->time_base = mpegts_ctx->streams[i]->time_base;
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chain->mpegts_ctx = mpegts_ctx;
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mpegts_ctx = NULL;
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rtp_ctx = avformat_alloc_context();
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if (!rtp_ctx) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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rtp_ctx->oformat = rtp_format;
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st = avformat_new_stream(rtp_ctx, NULL);
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st->time_base.num = 1;
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st->time_base.den = 90000;
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st->codec->codec_id = AV_CODEC_ID_MPEG2TS;
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chain->rtp_ctx = rtp_ctx;
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rtp_ctx->pb = s->pb;
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if ((ret = avformat_write_header(rtp_ctx, NULL)) < 0)
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goto fail;
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rtp_ctx = NULL;
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return 0;
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fail:
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if (mpegts_ctx) {
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if (mpegts_ctx->pb) {
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uint8_t *buf;
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avio_close_dyn_buf(mpegts_ctx->pb, &buf);
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av_free(buf);
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}
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avformat_free_context(mpegts_ctx);
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}
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if (rtp_ctx)
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avformat_free_context(rtp_ctx);
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rtp_mpegts_write_close(s);
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return ret;
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}
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static int rtp_mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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struct MuxChain *chain = s->priv_data;
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int ret = 0, size;
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uint8_t *buf;
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AVPacket local_pkt;
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if (!chain->mpegts_ctx->pb) {
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if ((ret = avio_open_dyn_buf(&chain->mpegts_ctx->pb)) < 0)
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return ret;
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}
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if ((ret = av_write_frame(chain->mpegts_ctx, pkt)) < 0)
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return ret;
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size = avio_close_dyn_buf(chain->mpegts_ctx->pb, &buf);
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chain->mpegts_ctx->pb = NULL;
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if (size == 0) {
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av_free(buf);
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return 0;
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}
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av_init_packet(&local_pkt);
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local_pkt.data = buf;
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local_pkt.size = size;
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local_pkt.stream_index = 0;
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if (pkt->pts != AV_NOPTS_VALUE)
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local_pkt.pts = av_rescale_q(pkt->pts,
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s->streams[pkt->stream_index]->time_base,
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chain->rtp_ctx->streams[0]->time_base);
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if (pkt->dts != AV_NOPTS_VALUE)
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local_pkt.dts = av_rescale_q(pkt->dts,
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s->streams[pkt->stream_index]->time_base,
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chain->rtp_ctx->streams[0]->time_base);
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ret = av_write_frame(chain->rtp_ctx, &local_pkt);
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av_free(buf);
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return ret;
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}
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AVOutputFormat ff_rtp_mpegts_muxer = {
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.name = "rtp_mpegts",
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.long_name = NULL_IF_CONFIG_SMALL("RTP/mpegts output format"),
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.priv_data_size = sizeof(struct MuxChain),
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.audio_codec = AV_CODEC_ID_AAC,
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.video_codec = AV_CODEC_ID_MPEG4,
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.write_header = rtp_mpegts_write_header,
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.write_packet = rtp_mpegts_write_packet,
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.write_trailer = rtp_mpegts_write_close,
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};
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@ -30,8 +30,8 @@
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#include "libavutil/version.h"
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#define LIBAVFORMAT_VERSION_MAJOR 56
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#define LIBAVFORMAT_VERSION_MINOR 15
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#define LIBAVFORMAT_VERSION_MICRO 107
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#define LIBAVFORMAT_VERSION_MINOR 16
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#define LIBAVFORMAT_VERSION_MICRO 100
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#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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