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SMPTE 421M Annex L (aka .rcv) muxer
Originally committed as revision 14352 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -173,6 +173,7 @@ OBJS-$(CONFIG_TTA_DEMUXER) += tta.o
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OBJS-$(CONFIG_TXD_DEMUXER) += txd.o
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OBJS-$(CONFIG_VC1_DEMUXER) += raw.o
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OBJS-$(CONFIG_VC1T_DEMUXER) += vc1test.o
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OBJS-$(CONFIG_VC1T_MUXER) += vc1testenc.o
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OBJS-$(CONFIG_VMD_DEMUXER) += sierravmd.o
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OBJS-$(CONFIG_VOC_DEMUXER) += vocdec.o voc.o
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OBJS-$(CONFIG_VOC_MUXER) += vocenc.o voc.o
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@ -167,7 +167,7 @@ void av_register_all(void)
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REGISTER_DEMUXER (TTA, tta);
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REGISTER_DEMUXER (TXD, txd);
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REGISTER_DEMUXER (VC1, vc1);
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REGISTER_DEMUXER (VC1T, vc1t);
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REGISTER_MUXDEMUX (VC1T, vc1t);
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REGISTER_DEMUXER (VMD, vmd);
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REGISTER_MUXDEMUX (VOC, voc);
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REGISTER_MUXDEMUX (WAV, wav);
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@ -22,7 +22,7 @@
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#define FFMPEG_AVFORMAT_H
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#define LIBAVFORMAT_VERSION_MAJOR 52
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#define LIBAVFORMAT_VERSION_MINOR 17
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#define LIBAVFORMAT_VERSION_MINOR 18
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#define LIBAVFORMAT_VERSION_MICRO 0
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#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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95
libavformat/vc1testenc.c
Normal file
95
libavformat/vc1testenc.c
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@ -0,0 +1,95 @@
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/*
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* VC-1 test bitstreams format muxer.
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* Copyright (c) 2008 Konstantin Shishkov
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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 "avformat.h"
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typedef struct RCVContext {
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int frames;
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} RCVContext;
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static int vc1test_write_header(AVFormatContext *s)
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{
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RCVContext *ctx = s->priv_data;
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AVCodecContext *avc = s->streams[0]->codec;
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ByteIOContext *pb = s->pb;
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if (avc->codec_id != CODEC_ID_WMV3) {
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av_log(s, AV_LOG_ERROR, "Only WMV3 is accepted!\n");
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return -1;
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}
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put_le24(pb, 0); //frames count will be here
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put_byte(pb, 0xC5);
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put_le32(pb, 4);
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put_buffer(pb, avc->extradata, 4);
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put_le32(pb, avc->height);
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put_le32(pb, avc->width);
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put_le32(pb, 0xC);
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put_le24(pb, 0); // hrd_buffer
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put_byte(pb, 0x80); // level|cbr|res1
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put_le32(pb, 0); // hrd_rate
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if (s->streams[0]->r_frame_rate.den && s->streams[0]->r_frame_rate.num == 1)
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put_le32(pb, s->streams[0]->r_frame_rate.den);
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else
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put_le32(pb, 0xFFFFFFFF); //variable framerate
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return 0;
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}
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static int vc1test_write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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RCVContext *ctx = s->priv_data;
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ByteIOContext *pb = s->pb;
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if (!pkt->size)
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return 0;
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put_le32(pb, pkt->size | ((pkt->flags & PKT_FLAG_KEY) ? 0x80000000 : 0));
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put_le32(pb, pkt->pts);
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put_buffer(pb, pkt->data, pkt->size);
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put_flush_packet(pb);
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ctx->frames++;
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return 0;
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}
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static int vc1test_write_trailer(AVFormatContext *s)
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{
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RCVContext *ctx = s->priv_data;
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ByteIOContext *pb = s->pb;
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if (!url_is_streamed(s->pb)) {
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url_fseek(pb, 0, SEEK_SET);
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put_le24(pb, ctx->frames);
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put_flush_packet(pb);
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}
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return 0;
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}
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AVOutputFormat vc1t_muxer = {
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"rcv",
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NULL_IF_CONFIG_SMALL("VC-1 test bitstream"),
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"",
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"rcv",
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sizeof(RCVContext),
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CODEC_ID_NONE,
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CODEC_ID_WMV3,
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vc1test_write_header,
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vc1test_write_packet,
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vc1test_write_trailer,
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};
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