From 2507b5dd674834be7261772996f47ae3b95cca69 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 4 Oct 2015 12:19:26 +0200
Subject: [PATCH] mpegvideo_enc: export vbv_delay in side data

Deprecate AVCodecContext.vbv_delay
---
 libavcodec/avcodec.h       |  5 +++++
 libavcodec/mpegvideo_enc.c | 13 +++++++++++++
 libavcodec/version.h       |  3 +++
 3 files changed, 21 insertions(+)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index dacbcd37335..64328c80ea7 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2914,13 +2914,18 @@ typedef struct AVCodecContext {
     int error_rate;
 #endif
 
+#if FF_API_VBV_DELAY
     /**
      * 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.
+     * @deprecated this value is now exported as a part of
+     * AV_PKT_DATA_CPB_PROPERTIES packet side data
      */
+    attribute_deprecated
     uint64_t vbv_delay;
+#endif
 
 #if FF_API_SIDEDATA_ONLY_PKT
     /**
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 93360514309..4e97f4d3abe 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1769,6 +1769,9 @@ vbv_retry:
             s->out_format == FMT_MPEG1                     &&
             90000LL * (avctx->rc_buffer_size - 1) <=
                 s->avctx->rc_max_rate * 0xFFFFLL) {
+            AVCPBProperties *props;
+            size_t props_size;
+
             int vbv_delay, min_delay;
             double inbits  = s->avctx->rc_max_rate *
                              av_q2d(s->avctx->time_base);
@@ -1795,7 +1798,17 @@ vbv_retry:
             s->vbv_delay_ptr[1]  = vbv_delay >> 5;
             s->vbv_delay_ptr[2] &= 0x07;
             s->vbv_delay_ptr[2] |= vbv_delay << 3;
+
+            props = av_cpb_properties_alloc(&props_size);
+            if (!props)
+                return AVERROR(ENOMEM);
+            props->vbv_delay = vbv_delay * 300;
+
+#if FF_API_VBV_DELAY
+FF_DISABLE_DEPRECATION_WARNINGS
             avctx->vbv_delay     = vbv_delay * 300;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
         }
         s->total_bits     += s->frame_bits;
         avctx->frame_bits  = s->frame_bits;
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 0e42e6cbe45..afa76001eb3 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -180,5 +180,8 @@
 #ifndef FF_API_RTP_CALLBACK
 #define FF_API_RTP_CALLBACK      (LIBAVCODEC_VERSION_MAJOR < 59)
 #endif
+#ifndef FF_API_VBV_DELAY
+#define FF_API_VBV_DELAY         (LIBAVCODEC_VERSION_MAJOR < 59)
+#endif
 
 #endif /* AVCODEC_VERSION_H */
-- 
2.39.2