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set the previous tag size correctly in flv files

Originally committed as revision 9919 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.5
Michael Niedermayer 18 years ago
parent
commit
f683dbdc6a
1 changed files with 8 additions and 6 deletions
  1. +8
    -6
      libavformat/flvenc.c

+ 8
- 6
libavformat/flvenc.c View File

@@ -275,10 +275,15 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
AVCodecContext *enc = s->streams[pkt->stream_index]->codec;
FLVContext *flv = s->priv_data;
int size= pkt->size;
int flags;
int flags, flags_size;

// av_log(s, AV_LOG_DEBUG, "type:%d pts: %"PRId64" size:%d\n", enc->codec_type, timestamp, size);

if(enc->codec_id == CODEC_ID_VP6 || enc->codec_id == CODEC_ID_VP6F)
flags_size= 2;
else
flags_size= 1;

if (enc->codec_type == CODEC_TYPE_VIDEO) {
put_byte(pb, FLV_TAG_TYPE_VIDEO);

@@ -298,10 +303,7 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
put_byte(pb, FLV_TAG_TYPE_AUDIO);
}

if ((enc->codec_id == CODEC_ID_VP6) || (enc->codec_id == CODEC_ID_VP6F))
put_be24(pb,size+2); // include the extra byte needed for VP6 in flv and flags
else
put_be24(pb,size+1); // include flags
put_be24(pb,size + flags_size);
put_be24(pb,pkt->pts);
put_be32(pb,flv->reserved);
put_byte(pb,flags);
@@ -310,7 +312,7 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
if (enc->codec_id == CODEC_ID_VP6F)
put_byte(pb, enc->extradata_size ? enc->extradata[0] : 0);
put_buffer(pb, pkt->data, size);
put_be32(pb,size+1+11); // previous tag size
put_be32(pb,size+flags_size+11); // previous tag size
flv->duration = pkt->pts + pkt->duration;

put_flush_packet(pb);


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