diff options
Diffstat (limited to 'libavformat/avformat.c')
| -rw-r--r-- | libavformat/avformat.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libavformat/avformat.c b/libavformat/avformat.c index 2249f09825..2a919ad89f 100644 --- a/libavformat/avformat.c +++ b/libavformat/avformat.c @@ -663,6 +663,32 @@ AVRational av_stream_get_codec_timebase(const AVStream *st) return cffstream(st)->avctx->time_base; } +void avpriv_set_pts_info(AVStream *st, int pts_wrap_bits, + unsigned int pts_num, unsigned int pts_den) +{ + FFStream *const sti = ffstream(st); + AVRational new_tb; + if (av_reduce(&new_tb.num, &new_tb.den, pts_num, pts_den, INT_MAX)) { + if (new_tb.num != pts_num) + av_log(NULL, AV_LOG_DEBUG, + "st:%d removing common factor %d from timebase\n", + st->index, pts_num / new_tb.num); + } else + av_log(NULL, AV_LOG_WARNING, + "st:%d has too large timebase, reducing\n", st->index); + + if (new_tb.num <= 0 || new_tb.den <= 0) { + av_log(NULL, AV_LOG_ERROR, + "Ignoring attempt to set invalid timebase %d/%d for st:%d\n", + new_tb.num, new_tb.den, + st->index); + return; + } + st->time_base = new_tb; + sti->avctx->pkt_timebase = new_tb; + st->pts_wrap_bits = pts_wrap_bits; +} + const AVCodec *ff_find_decoder(AVFormatContext *s, const AVStream *st, enum AVCodecID codec_id) { |