lavc: add pkt_timebase to allow avcodec to adjust pkt_dts/pts when needed

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

1 files changed, 12 insertions, 0 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 17951b5e4a..045ab8b4b4 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2947,6 +2947,15 @@ typedef struct AVCodecContext {
     uint64_t vbv_delay;
 
     /**
+     * Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
+     * Code outside libavcodec should access this field using:
+     * avcodec_set_pkt_timebase(avctx)
+     * - encoding unused.
+     * - decodimg set by user
+     */
+    AVRational pkt_timebase;
+
+    /**
      * Current statistics for PTS correction.
      * - decoding: maintained and used by libavcodec, not intended to be used by user apps
      * - encoding: unused
@@ -2957,6 +2966,9 @@ typedef struct AVCodecContext {
     int64_t pts_correction_last_dts;       /// DTS of the last frame
 } AVCodecContext;
 
+AVRational av_codec_get_pkt_timebase         (const AVCodecContext *avctx);
+void       av_codec_set_pkt_timebase         (AVCodecContext *avctx, AVRational val);
+
 /**
  * AVProfile.
  */