factorize stream creation

Originally committed as revision 10886 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-10-31 21:35:50 +00:00
parent ff21c1b056
commit 6f910bcf39

View File

@ -224,11 +224,19 @@ static int flv_read_metabody(AVFormatContext *s, unsigned int next_pos) {
return 0;
}
static AVStream *create_stream(AVFormatContext *s, int is_audio){
AVStream *st = av_new_stream(s, is_audio);
if (!st)
return NULL;
st->codec->codec_type = is_audio ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
av_set_pts_info(st, 24, 1, 1000); /* 24 bit pts in ms */
return st;
}
static int flv_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
int offset, flags;
AVStream *st;
url_fskip(&s->pb, 4);
flags = get_byte(&s->pb);
@ -240,18 +248,12 @@ static int flv_read_header(AVFormatContext *s,
}
if(flags & FLV_HEADER_FLAG_HASVIDEO){
st = av_new_stream(s, 0);
if (!st)
if(!create_stream(s, 0))
return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_VIDEO;
av_set_pts_info(st, 24, 1, 1000); /* 24 bit pts in ms */
}
if(flags & FLV_HEADER_FLAG_HASAUDIO){
st = av_new_stream(s, 1);
if (!st)
if(!create_stream(s, 1))
return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
av_set_pts_info(st, 24, 1, 1000); /* 24 bit pts in ms */
}
offset = get_be32(&s->pb);