[FFmpeg-devel] [PATCH 2/3] lavc: add pkt_timbase to allow avcodec to adjust pkt_dts/pts when needed

[Michael Niedermayer]

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libavcodec/avcodec.h       |   12 ++++++++++++
 libavcodec/options_table.h |    1 +
 libavcodec/utils.c         |    2 ++
 3 files changed, 15 insertions(+)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index c9419ef..0a36463 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2943,6 +2943,15 @@ 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
@@ -2953,6 +2962,9 @@ 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.
  */
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index a4742d0..8bc7191 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -405,6 +405,7 @@ static const AVOption options[]={
 {"s32p", "32-bit signed integer planar",  0, AV_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S32P }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
 {"fltp", "32-bit float planar",           0, AV_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_FLTP }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
 {"dblp", "64-bit double planar",          0, AV_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_DBLP }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
+{"pkt_timebase", NULL, OFFSET(pkt_timebase), AV_OPT_TYPE_RATIONAL, {.dbl = 0 }, 0, INT_MAX, 0},
 {NULL},
 };
 
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 25267da..e435c05 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -726,6 +726,8 @@ MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_pos)
 MAKE_ACCESSORS(AVFrame, frame, int64_t, channel_layout)
 MAKE_ACCESSORS(AVFrame, frame, int,     sample_rate)
 
+MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
+
 static void avcodec_get_subtitle_defaults(AVSubtitle *sub)
 {
     memset(sub, 0, sizeof(*sub));
-- 
1.7.9.5