Merge commit '874390e163427c1fe7682ab27924a7843780dbb3'

[ffmpeg] / libavcodec / avpacket.c

diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
index 959d95963a331363d8a5754d21152b9d0dc01370..a87e8e3eade035f28ed051514188c58919820e4e 100644 (file)
--- 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"
 #include "bytestream.h"
@@ -562,3 +563,15 @@ 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);
+}