avformat: add av_stream_get_end_pts()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/utils.c

@@ -110,6 +110,11 @@ MAKE_ACCESSORS(AVFormatContext, format, int, metadata_header_padding)
 MAKE_ACCESSORS(AVFormatContext, format, void *, opaque)
 MAKE_ACCESSORS(AVFormatContext, format, av_format_control_message, control_message_cb)
 
+int64_t av_stream_get_end_pts(const AVStream *st)
+{
+    return st->pts.val;
+}
+
 void av_format_inject_global_side_data(AVFormatContext *s)
 {
     int i;