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avformat/rsd: implement seeking 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-11-20 20:51:22 +01:00
parent 9b7d39de81
commit b885d9ced5
1 changed files with 7 additions and 0 deletions
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7
libavformat/rsd.c
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@ -171,10 +171,12 @@ static int rsd_read_packet(AVFormatContext *s, AVPacket *pkt)
{ {
AVCodecContext *codec = s->streams[0]->codec; AVCodecContext *codec = s->streams[0]->codec;
int ret, size = 1024; int ret, size = 1024;
int64_t pos;
if (avio_feof(s->pb)) if (avio_feof(s->pb))
return AVERROR_EOF; return AVERROR_EOF;
pos = avio_tell(s->pb);
if (codec->codec_id == AV_CODEC_ID_ADPCM_IMA_RAD || if (codec->codec_id == AV_CODEC_ID_ADPCM_IMA_RAD ||
codec->codec_id == AV_CODEC_ID_ADPCM_PSX || codec->codec_id == AV_CODEC_ID_ADPCM_PSX ||
codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
@ -198,6 +200,10 @@ static int rsd_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(s->pb, pkt, size); ret = av_get_packet(s->pb, pkt, size);
} }
if (codec->codec_id == AV_CODEC_ID_XMA2 && pkt->size >= 1)
pkt->duration = (pkt->data[0] >> 2) * 512;
pkt->pos = pos;
pkt->stream_index = 0; pkt->stream_index = 0;
return ret; return ret;
@ -211,4 +217,5 @@ AVInputFormat ff_rsd_demuxer = {
.read_packet = rsd_read_packet, .read_packet = rsd_read_packet,
.extensions = "rsd", .extensions = "rsd",
.codec_tag = (const AVCodecTag* const []){rsd_tags, 0}, .codec_tag = (const AVCodecTag* const []){rsd_tags, 0},
.flags = AVFMT_GENERIC_INDEX,
}; };