From 874390e163427c1fe7682ab27924a7843780dbb3 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Wed, 18 Jun 2014 09:39:32 +0200 Subject: lavc: add a convenience function for rescaling timestamps in a packet --- libavcodec/avpacket.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'libavcodec/avpacket.c') diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c index 052aaf8638..25eabdb215 100644 --- a/libavcodec/avpacket.c +++ b/libavcodec/avpacket.c @@ -24,6 +24,7 @@ #include "libavutil/avassert.h" #include "libavutil/common.h" #include "libavutil/internal.h" +#include "libavutil/mathematics.h" #include "libavutil/mem.h" #include "avcodec.h" #if FF_API_DESTRUCT_PACKET @@ -380,3 +381,15 @@ void av_packet_move_ref(AVPacket *dst, AVPacket *src) *dst = *src; av_init_packet(src); } + +void av_packet_rescale_ts(AVPacket *pkt, AVRational src_tb, AVRational dst_tb) +{ + if (pkt->pts != AV_NOPTS_VALUE) + pkt->pts = av_rescale_q(pkt->pts, src_tb, dst_tb); + if (pkt->dts != AV_NOPTS_VALUE) + pkt->dts = av_rescale_q(pkt->dts, src_tb, dst_tb); + if (pkt->duration > 0) + pkt->duration = av_rescale_q(pkt->duration, src_tb, dst_tb); + if (pkt->convergence_duration > 0) + pkt->convergence_duration = av_rescale_q(pkt->convergence_duration, src_tb, dst_tb); +} -- cgit v1.2.3