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| author | James Almer <jamrial@gmail.com> | 2013-05-10 16:53:50 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2013-05-10 16:53:50 -0300 |
| commit | 67fad0d221458d43edb9037c30171d0adb1d609a (patch) | |
| tree | fe6ccd93afeaebf20af25b376c4040f07b8055b0 /libavformat/rsd.c | |
| parent | e5e86db178b76026981f97889365ca9701705f2b (diff) | |
| download | ffmpeg-67fad0d221458d43edb9037c30171d0adb1d609a.tar.gz | |
ADPCM IMA Radical decoder
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavformat/rsd.c')
| -rw-r--r-- | libavformat/rsd.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/libavformat/rsd.c b/libavformat/rsd.c index b9352551c7..5b53cef9c0 100644 --- a/libavformat/rsd.c +++ b/libavformat/rsd.c @@ -27,6 +27,7 @@ static const AVCodecTag rsd_tags[] = { { AV_CODEC_ID_ADPCM_THP, MKTAG('G','A','D','P') }, + { AV_CODEC_ID_ADPCM_IMA_RAD, MKTAG('R','A','D','P') }, { AV_CODEC_ID_PCM_S16BE, MKTAG('P','C','M','B') }, { AV_CODEC_ID_PCM_S16LE, MKTAG('P','C','M',' ') }, { AV_CODEC_ID_NONE, 0 }, @@ -34,7 +35,6 @@ static const AVCodecTag rsd_tags[] = { static const uint32_t rsd_unsupported_tags[] = { MKTAG('O','G','G',' '), - MKTAG('R','A','D','P'), MKTAG('V','A','G',' '), MKTAG('W','A','D','P'), MKTAG('X','A','D','P'), @@ -92,6 +92,11 @@ static int rsd_read_header(AVFormatContext *s) avio_skip(pb, 4); // Unknown switch (codec->codec_id) { + case AV_CODEC_ID_ADPCM_IMA_RAD: + codec->block_align = 20 * codec->channels; + if (pb->seekable) + st->duration = av_get_audio_frame_duration(codec, avio_size(pb) - start); + break; case AV_CODEC_ID_ADPCM_THP: /* RSD3GADP is mono, so only alloc enough memory to store the coeff table for a single channel. */ @@ -131,12 +136,16 @@ static int rsd_read_header(AVFormatContext *s) static int rsd_read_packet(AVFormatContext *s, AVPacket *pkt) { + AVCodecContext *codec = s->streams[0]->codec; int ret, size = 1024; if (url_feof(s->pb)) return AVERROR_EOF; - ret = av_get_packet(s->pb, pkt, size); + if (codec->codec_id == AV_CODEC_ID_ADPCM_IMA_RAD) + ret = av_get_packet(s->pb, pkt, codec->block_align); + else + ret = av_get_packet(s->pb, pkt, size); if (ret != size) { if (ret < 0) { |