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daud: split muxer and demuxer

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Nidhi Makhijani 2014-06-23 09:33:50 +05:30 committed by Diego Biurrun
parent f920d08953
commit 0955e57ad0
3 changed files with 56 additions and 38 deletions
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4
libavformat/Makefile
View File

@ -90,8 +90,8 @@ OBJS-$(CONFIG_CAVSVIDEO_MUXER) += rawenc.o
OBJS-$(CONFIG_CDG_DEMUXER) += cdg.o OBJS-$(CONFIG_CDG_DEMUXER) += cdg.o
OBJS-$(CONFIG_CDXL_DEMUXER) += cdxl.o OBJS-$(CONFIG_CDXL_DEMUXER) += cdxl.o
OBJS-$(CONFIG_CRC_MUXER) += crcenc.o OBJS-$(CONFIG_CRC_MUXER) += crcenc.o
OBJS-$(CONFIG_DAUD_DEMUXER) += daud.o OBJS-$(CONFIG_DAUD_DEMUXER) += dauddec.o
OBJS-$(CONFIG_DAUD_MUXER) += daud.o OBJS-$(CONFIG_DAUD_MUXER) += daudenc.o
OBJS-$(CONFIG_DFA_DEMUXER) += dfa.o OBJS-$(CONFIG_DFA_DEMUXER) += dfa.o
OBJS-$(CONFIG_DIRAC_DEMUXER) += diracdec.o rawdec.o OBJS-$(CONFIG_DIRAC_DEMUXER) += diracdec.o rawdec.o
OBJS-$(CONFIG_DIRAC_MUXER) += rawenc.o OBJS-$(CONFIG_DIRAC_MUXER) += rawenc.o

36
libavformat/daud.c → libavformat/dauddec.c
View File

@ -50,28 +50,6 @@ static int daud_packet(AVFormatContext *s, AVPacket *pkt) {
return ret; return ret;
} }
static int daud_write_header(struct AVFormatContext *s)
{
AVCodecContext *codec = s->streams[0]->codec;
if (codec->channels!=6 || codec->sample_rate!=96000)
return -1;
return 0;
}
static int daud_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
if (pkt->size > 65535) {
av_log(s, AV_LOG_ERROR,
"Packet size too large for s302m. (%d > 65535)\n", pkt->size);
return -1;
}
avio_wb16(s->pb, pkt->size);
avio_wb16(s->pb, 0x8010); // unknown
avio_write(s->pb, pkt->data, pkt->size);
return 0;
}
#if CONFIG_DAUD_DEMUXER
AVInputFormat ff_daud_demuxer = { AVInputFormat ff_daud_demuxer = {
.name = "daud", .name = "daud",
.long_name = NULL_IF_CONFIG_SMALL("D-Cinema audio"), .long_name = NULL_IF_CONFIG_SMALL("D-Cinema audio"),
@ -79,17 +57,3 @@ AVInputFormat ff_daud_demuxer = {
.read_packet = daud_packet, .read_packet = daud_packet,
.extensions = "302", .extensions = "302",
}; };
#endif
#if CONFIG_DAUD_MUXER
AVOutputFormat ff_daud_muxer = {
.name = "daud",
.long_name = NULL_IF_CONFIG_SMALL("D-Cinema audio"),
.extensions = "302",
.audio_codec = AV_CODEC_ID_PCM_S24DAUD,
.video_codec = AV_CODEC_ID_NONE,
.write_header = daud_write_header,
.write_packet = daud_write_packet,
.flags = AVFMT_NOTIMESTAMPS,
};
#endif

54
libavformat/daudenc.c Normal file
View File

@ -0,0 +1,54 @@
/*
* D-Cinema audio muxer
* Copyright (c) 2005 Reimar Döffinger
*
* 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
*/
#include "avformat.h"
static int daud_write_header(struct AVFormatContext *s)
{
AVCodecContext *codec = s->streams[0]->codec;
if (codec->channels!=6 || codec->sample_rate!=96000)
return -1;
return 0;
}
static int daud_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
if (pkt->size > 65535) {
av_log(s, AV_LOG_ERROR,
"Packet size too large for s302m. (%d > 65535)\n", pkt->size);
return -1;
}
avio_wb16(s->pb, pkt->size);
avio_wb16(s->pb, 0x8010); // unknown
avio_write(s->pb, pkt->data, pkt->size);
return 0;
}
AVOutputFormat ff_daud_muxer = {
.name = "daud",
.long_name = NULL_IF_CONFIG_SMALL("D-Cinema audio"),
.extensions = "302",
.audio_codec = AV_CODEC_ID_PCM_S24DAUD,
.video_codec = AV_CODEC_ID_NONE,
.write_header = daud_write_header,
.write_packet = daud_write_packet,
.flags = AVFMT_NOTIMESTAMPS,
};