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Autodetect Asterisk raw pcm with extension "sln".

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This commit is contained in:
Carl Eugen Hoyos 2014-05-22 15:15:04 +02:00
parent f932e5f716
commit eff913c972
2 changed files with 27 additions and 0 deletions
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1
libavformat/allformats.c
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@ -265,6 +265,7 @@ void av_register_all(void)
REGISTER_MUXER (SEGMENT, stream_segment);
REGISTER_DEMUXER (SHORTEN, shorten);
REGISTER_DEMUXER (SIFF, siff);
REGISTER_DEMUXER (SLN, sln);
REGISTER_DEMUXER (SMACKER, smacker);
REGISTER_MUXDEMUX(SMJPEG, smjpeg);
REGISTER_MUXER (SMOOTHSTREAMING, smoothstreaming);

26
libavformat/pcmdec.c
View File

@ -144,3 +144,29 @@ PCMDEF(alaw, "PCM A-law",
PCMDEF(mulaw, "PCM mu-law",
"ul", AV_CODEC_ID_PCM_MULAW)
static const AVOption sln_options[] = {
{ "sample_rate", "", offsetof(PCMAudioDemuxerContext, sample_rate), AV_OPT_TYPE_INT, {.i64 = 8000}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
{ "channels", "", offsetof(PCMAudioDemuxerContext, channels), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
{ NULL },
};
static const AVClass sln_demuxer_class = {
.class_name = "sln demuxer",
.item_name = av_default_item_name,
.option = sln_options,
.version = LIBAVUTIL_VERSION_INT,
};
AVInputFormat ff_sln_demuxer = {
.name = "sln",
.long_name = NULL_IF_CONFIG_SMALL("Asterisk raw pcm"),
.priv_data_size = sizeof(PCMAudioDemuxerContext),
.read_header = pcm_read_header,
.read_packet = ff_pcm_read_packet,
.read_seek = ff_pcm_read_seek,
.flags = AVFMT_GENERIC_INDEX,
.extensions = "sln",
.raw_codec_id = AV_CODEC_ID_PCM_S16LE,
.priv_class = &sln_demuxer_class,
};