From aca0f78114a4f74e1b59d706c11c1bd5ff6f92d9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cl=C3=A9ment=20B=C5=93sch?= Date: Fri, 3 Aug 2012 15:40:48 +0200 Subject: [PATCH] lavf/movenc: add frame rate heuristic for timecode frame rate. Fixes ticket 1576. --- libavformat/movenc.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 023b2ca5c5..89a181acf3 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -3292,6 +3292,7 @@ static void mov_create_chapter_track(AVFormatContext *s, int tracknum) static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr) { + int ret; MOVMuxContext *mov = s->priv_data; MOVTrack *track = &mov->tracks[index]; AVStream *src_st = s->streams[src_index]; @@ -3299,8 +3300,15 @@ static int mov_create_timecode_track(AVFormatContext *s, int index, int src_inde AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4}; AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num}; + /* if the codec time base makes no sense, try to fallback on stream frame rate */ + if (av_timecode_check_frame_rate(rate) < 0) { + av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n", + rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den); + rate = src_st->avg_frame_rate; + } + /* compute the frame number */ - int ret = av_timecode_init_from_string(&tc, rate, tcstr, s); + ret = av_timecode_init_from_string(&tc, rate, tcstr, s); if (ret < 0) return ret;