Honor the 8bit extension (now 32bit instaed 24bit) of the pts field introduced...

Honor the 8bit extension (now 32bit instaed 24bit) of the pts field introduced in FLV specification v9.

Originally committed as revision 11043 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/flvdec.c

@@ -275,10 +275,11 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
     type = get_byte(&s->pb);
     size = get_be24(&s->pb);
     pts = get_be24(&s->pb);
+    pts |= get_byte(&s->pb) << 24;
 //    av_log(s, AV_LOG_DEBUG, "type:%d, size:%d, pts:%d\n", type, size, pts);
     if (url_feof(&s->pb))
         return AVERROR(EIO);
-    url_fskip(&s->pb, 4); /* reserved */
+    url_fskip(&s->pb, 3); /* stream id, always 0 */
     flags = 0;
 
     if(size == 0)

libavformat/flvenc.c

@@ -307,7 +307,8 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
 
     put_be24(pb,size + flags_size);
     put_be24(pb,pkt->pts);
-    put_be32(pb,flv->reserved);
+    put_byte(pb,pkt->pts >> 24);
+    put_be24(pb,flv->reserved);
     put_byte(pb,flags);
     if (enc->codec_id == CODEC_ID_VP6)
         put_byte(pb,0);