From 83d6ad3616cac9ecfe23d83822b2e9d10a8c985d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 30 Jan 2012 23:52:45 +0100 Subject: avidec: Mark first frame as keyframe in case there are no keyframes. This fixes seeking in filecopy.avi of Ticket504 Signed-off-by: Michael Niedermayer --- libavformat/avidec.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'libavformat/avidec.c') diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 582ca33..99a95b2 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -1248,6 +1248,7 @@ static int avi_read_idx1(AVFormatContext *s, int size) unsigned last_pos= -1; unsigned last_idx= -1; int64_t idx1_pos, first_packet_pos = 0, data_offset = 0; + int anykey = 0; nb_index_entries = size / 16; if (nb_index_entries <= 0) @@ -1299,6 +1300,14 @@ static int avi_read_idx1(AVFormatContext *s, int size) } ast->cum_len += get_duration(ast, len); last_pos= pos; + anykey |= flags&AVIIF_INDEX; + } + if (!anykey) { + for (index = 0; index < s->nb_streams; index++) { + st = s->streams[index]; + if (st->nb_index_entries) + st->index_entries[0].flags |= AVINDEX_KEYFRAME; + } } return 0; } -- cgit v1.1