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swf can contain only one audio track, simplify 

Originally committed as revision 7456 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-01-14 01:14:31 +00:00
parent 432cef7605
commit 5b1e5dce35
1 changed files with 9 additions and 10 deletions
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19
libavformat/swf.c
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@ -59,7 +59,7 @@
#include <assert.h>
typedef struct {
int audio_stream_index;
offset_t duration_pos;
offset_t tag_pos;
@ -808,8 +808,9 @@ static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
get_byte(pb);
v = get_byte(pb);
swf->samples_per_frame = get_le16(pb);
ast = av_new_stream(s, 1);
ast = av_new_stream(s, -1); /* -1 to avoid clash with video stream ch_id */
av_set_pts_info(ast, 24, 1, 1000); /* 24 bit pts in ms */
swf->audio_stream_index = ast->index;
ast->codec->channels = 1 + (v&1);
ast->codec->codec_type = CODEC_TYPE_AUDIO;
if (v & 0x20)
@ -866,14 +867,12 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt)
}
url_fskip(pb, len-2);
} else if (tag == TAG_STREAMBLOCK) {
for( i=0; i<s->nb_streams; i++ ) {
st = s->streams[i];
if (st->id == 1) {
url_fskip(pb, 4);
av_get_packet(pb, pkt, len-4);
pkt->stream_index = st->index;
return pkt->size;
}
st = s->streams[swf->audio_stream_index];
if (st->codec->codec_id == CODEC_ID_MP3) {
url_fskip(pb, 4);
av_get_packet(pb, pkt, len-4);
pkt->stream_index = st->index;
return pkt->size;
}
url_fskip(pb, len);
} else {