Fix for some non interleaved avi files that gets played twice or won't end

This changes so we assume EOF when we can't find the next
streams index entry for non interleaved file.

http://trac.xbmc.org/ticket/5585

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index db0ed3c..2c72329 100644 (file)
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1038,7 +1038,7 @@ static int avi_read_packet(AVFormatContext *s, AVPacket *pkt)
             }
         }
         if(!best_st)
-            return -1;
+            return AVERROR_EOF;
 
         best_ast = best_st->priv_data;
         best_ts = av_rescale_q(best_ts, (AVRational){FFMAX(1, best_ast->sample_size), AV_TIME_BASE}, best_st->time_base);
@@ -1054,7 +1054,8 @@ static int avi_read_packet(AVFormatContext *s, AVPacket *pkt)
         if(i>=0){
             int64_t pos= best_st->index_entries[i].pos;
             pos += best_ast->packet_size - best_ast->remaining;
-            avio_seek(s->pb, pos + 8, SEEK_SET);
+            if(avio_seek(s->pb, pos + 8, SEEK_SET) < 0)
+              return AVERROR_EOF;
 //        av_log(s, AV_LOG_DEBUG, "pos=%"PRId64"\n", pos);
 
             assert(best_ast->remaining <= best_ast->packet_size);
@@ -1064,6 +1065,8 @@ static int avi_read_packet(AVFormatContext *s, AVPacket *pkt)
                 best_ast->packet_size=
                 best_ast->remaining= best_st->index_entries[i].size;
         }
+        else
+          return AVERROR_EOF;
     }
 
 resync: