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set flags correctly in write header instead of seeking back and fixing it in write_trailer()

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Originally committed as revision 7267 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-12-10 17:12:45 +00:00
parent 46f9dcc3ee
commit c45388b193
1 changed files with 12 additions and 14 deletions
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26
libavformat/flvenc.c
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@ -110,12 +110,6 @@ static int flv_write_header(AVFormatContext *s)
flv->hasAudio = 0;
flv->hasVideo = 0;
put_tag(pb,"FLV");
put_byte(pb,1);
put_byte(pb,0); // delayed write
put_be32(pb,9);
put_be32(pb,0);
for(i=0; i<s->nb_streams; i++){
AVCodecContext *enc = s->streams[i]->codec;
if (enc->codec_type == CODEC_TYPE_VIDEO) {
@ -130,9 +124,20 @@ static int flv_write_header(AVFormatContext *s)
} else {
flv->hasAudio=1;
samplerate = enc->sample_rate;
if(get_audio_flags(enc)<0)
return -1;
}
av_set_pts_info(s->streams[i], 24, 1, 1000); /* 24 bit pts in ms */
if(enc->codec_tag == 5){
}
put_tag(pb,"FLV");
put_byte(pb,1);
put_byte(pb, FLV_HEADER_FLAG_HASAUDIO * flv->hasAudio
+ FLV_HEADER_FLAG_HASVIDEO * flv->hasVideo);
put_be32(pb,9);
put_be32(pb,0);
for(i=0; i<s->nb_streams; i++){
if(s->streams[i]->codec->codec_tag == 5){
put_byte(pb,8); // message type
put_be24(pb,0); // include flags
put_be24(pb,0); // time stamp
@ -140,8 +145,6 @@ static int flv_write_header(AVFormatContext *s)
put_be32(pb,11); // size
flv->reserved=5;
}
if(enc->codec_type == CODEC_TYPE_AUDIO && get_audio_flags(enc)<0)
return -1;
}
/* write meta_tag */
@ -204,16 +207,11 @@ static int flv_write_header(AVFormatContext *s)
static int flv_write_trailer(AVFormatContext *s)
{
int64_t file_size;
int flags = 0;
ByteIOContext *pb = &s->pb;
FLVContext *flv = s->priv_data;
file_size = url_ftell(pb);
flags |= flv->hasAudio ? FLV_HEADER_FLAG_HASAUDIO : 0;
flags |= flv->hasVideo ? FLV_HEADER_FLAG_HASVIDEO : 0;
url_fseek(pb, 4, SEEK_SET);
put_byte(pb,flags);
/* update informations */
url_fseek(pb, flv->duration_offset, SEEK_SET);