Module: ffmpeg
Branch: master
Commit: 55bad0c602c75a2c7e4dbfa466edacb0bad6a6eb

Author: Christophe Massiot <[email protected]>
Date:   Thu Feb 10 16:38:03 2011 +0100

Pass VBV delay to the calling application via ctx

VBV delay is useful for T-STD compliance in some TS muxers. It is
certainly possible to retrieve it by parsing the output of FFmpeg, but
getting it from the context makes it simpler and less error-prone.

Signed-off-by: Mans Rullgard <[email protected]>

---

 libavcodec/avcodec.h       |   10 +++++++++-
 libavcodec/mpegvideo_enc.c |    1 +
 2 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index e48033d..9ed6f50 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -32,7 +32,7 @@
 #include "libavutil/cpu.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 112
+#define LIBAVCODEC_VERSION_MINOR 113
 #define LIBAVCODEC_VERSION_MICRO  1
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@@ -2892,6 +2892,14 @@ typedef struct AVCodecContext {
      * - decoding: Set by user.
      */
     int thread_safe_callbacks;
+
+    /**
+     * VBV delay coded in the last frame (in periods of a 27 MHz clock).
+     * Used for compliant TS muxing.
+     * - encoding: Set by libavcodec.
+     * - decoding: unused.
+     */
+    uint64_t vbv_delay;
 } AVCodecContext;
 
 /**
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 6167a9b..a7f1608 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1381,6 +1381,7 @@ vbv_retry:
             s->vbv_delay_ptr[1]  = vbv_delay>>5;
             s->vbv_delay_ptr[2] &= 0x07;
             s->vbv_delay_ptr[2] |= vbv_delay<<3;
+            avctx->vbv_delay = vbv_delay*300;
         }
         s->total_bits += s->frame_bits;
         avctx->frame_bits  = s->frame_bits;

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