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Only add 1 index entry per keyframe. 

Idea from a patch by samsung.

Originally committed as revision 20888 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-12-16 21:24:04 +00:00
parent c3abb55141
commit 134271c232
1 changed files with 4 additions and 1 deletions
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5
libavformat/asfdec.c
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@ -1065,7 +1065,7 @@ static void asf_build_simple_index(AVFormatContext *s, int stream_index)
url_fseek(s->pb, asf->data_object_offset + asf->data_object_size, SEEK_SET);
get_guid(s->pb, &g);
if (!guidcmp(&g, &index_guid)) {
int64_t itime;
int64_t itime, last_pos=-1;
int pct, ict;
int64_t av_unused gsize= get_le64(s->pb);
get_guid(s->pb, &g);
@ -1080,8 +1080,11 @@ static void asf_build_simple_index(AVFormatContext *s, int stream_index)
int64_t pos = s->data_offset + s->packet_size*(int64_t)pktnum;
int64_t index_pts= av_rescale(itime, i, 10000);
if(pos != last_pos){
av_log(s, AV_LOG_DEBUG, "pktnum:%d, pktct:%d\n", pktnum, pktct);
av_add_index_entry(s->streams[stream_index], pos, index_pts, s->packet_size, 0, AVINDEX_KEYFRAME);
last_pos=pos;
}
}
asf->index_read= 1;
}