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Handle av_read_frame() EAGAIN return.

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Originally committed as revision 16718 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-01-22 12:06:02 +00:00
parent ad51c68c01
commit cda6902d36
1 changed files with 12 additions and 3 deletions
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11
libavformat/utils.c
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@ -1493,7 +1493,10 @@ static int av_seek_frame_generic(AVFormatContext *s,
return ret; return ret;
} }
for(i=0;; i++) { for(i=0;; i++) {
int ret = av_read_frame(s, &pkt); int ret;
do{
ret = av_read_frame(s, &pkt);
}while(ret == AVERROR(EAGAIN));
if(ret<0) if(ret<0)
break; break;
av_free_packet(&pkt); av_free_packet(&pkt);
@ -1718,7 +1721,9 @@ static void av_estimate_timings_from_pts(AVFormatContext *ic, int64_t old_offset
if (i == ic->nb_streams) if (i == ic->nb_streams)
break; break;
do{
ret = av_read_packet(ic, pkt); ret = av_read_packet(ic, pkt);
}while(ret == AVERROR(EAGAIN));
if (ret != 0) if (ret != 0)
break; break;
read_size += pkt->size; read_size += pkt->size;
@ -1743,7 +1748,9 @@ static void av_estimate_timings_from_pts(AVFormatContext *ic, int64_t old_offset
if (read_size >= DURATION_MAX_READ_SIZE) if (read_size >= DURATION_MAX_READ_SIZE)
break; break;
do{
ret = av_read_packet(ic, pkt); ret = av_read_packet(ic, pkt);
}while(ret == AVERROR(EAGAIN));
if (ret != 0) if (ret != 0)
break; break;
read_size += pkt->size; read_size += pkt->size;
@ -2044,6 +2051,8 @@ int av_find_stream_info(AVFormatContext *ic)
/* NOTE: a new stream can be added there if no header in file /* NOTE: a new stream can be added there if no header in file
(AVFMTCTX_NOHEADER) */ (AVFMTCTX_NOHEADER) */
ret = av_read_frame_internal(ic, &pkt1); ret = av_read_frame_internal(ic, &pkt1);
if(ret == AVERROR(EAGAIN))
continue;
if (ret < 0) { if (ret < 0) {
/* EOF or error */ /* EOF or error */
ret = -1; /* we could not have all the codec parameters before EOF */ ret = -1; /* we could not have all the codec parameters before EOF */