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Isolate caching of audio frames in its own function.

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Patch by Ronald S. Bultje: rsbultje gmail com
Original thread: Re: [FFmpeg-devel] [PATCH 3/6] rmdec.c: ff_rm_retrieve_cache()
Date: 11/05/2007 09:25 PM

Originally committed as revision 10963 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2007-11-08 15:14:37 +00:00 committed by Benoit Fouet
parent 66911b1552
commit d4d1b5fbde
1 changed files with 22 additions and 11 deletions
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33
libavformat/rmdec.c
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@ -632,6 +632,27 @@ ff_rm_parse_packet (AVFormatContext *s, AVStream *st, int len, AVPacket *pkt,
return 0;
}
static void
ff_rm_retrieve_cache (AVFormatContext *s, AVStream *st, AVPacket *pkt)
{
ByteIOContext *pb = &s->pb;
RMContext *rm = s->priv_data;
assert (rm->audio_pkt_cnt > 0);
if (st->codec->codec_id == CODEC_ID_AAC)
av_get_packet(pb, pkt, rm->sub_packet_lengths[rm->sub_packet_cnt - rm->audio_pkt_cnt]);
else {
av_new_packet(pkt, st->codec->block_align);
memcpy(pkt->data, rm->audiobuf + st->codec->block_align *
(rm->sub_packet_h * rm->audio_framesize / st->codec->block_align - rm->audio_pkt_cnt),
st->codec->block_align);
}
rm->audio_pkt_cnt--;
pkt->flags = 0;
pkt->stream_index = st->index;
}
static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
{
RMContext *rm = s->priv_data;
@ -645,17 +666,7 @@ static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
if (rm->audio_pkt_cnt) {
// If there are queued audio packet return them first
st = s->streams[rm->audio_stream_num];
if (st->codec->codec_id == CODEC_ID_AAC)
av_get_packet(pb, pkt, rm->sub_packet_lengths[rm->sub_packet_cnt - rm->audio_pkt_cnt]);
else {
av_new_packet(pkt, st->codec->block_align);
memcpy(pkt->data, rm->audiobuf + st->codec->block_align *
(rm->sub_packet_h * rm->audio_framesize / st->codec->block_align - rm->audio_pkt_cnt),
st->codec->block_align);
}
rm->audio_pkt_cnt--;
pkt->flags = 0;
pkt->stream_index = st->index;
ff_rm_retrieve_cache(s, st, pkt);
} else if (rm->old_format) {
st = s->streams[0];
if (st->codec->codec_id == CODEC_ID_RA_288) {