[FFmpeg-cvslog] vaapi_h264: Fix CPB/DPB delays

Mark Thompson git at videolan.org
Tue Oct 17 22:58:41 EEST 2017


ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Sat Sep  9 22:49:14 2017 +0100| [94a4048619665e99a19d9e2961254dc9b5c736a7] | committer: Mark Thompson

vaapi_h264: Fix CPB/DPB delays

This should be ticks, not time_scale steps - it was wrong for all
framerates not a multiple of 1/2.

(cherry picked from commit 30645174e333c7db1946ab09be769db9be9d7481)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=94a4048619665e99a19d9e2961254dc9b5c736a7
---

 libavcodec/vaapi_encode_h264.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c
index 201e94a8ce..46950772a9 100644
--- a/libavcodec/vaapi_encode_h264.c
+++ b/libavcodec/vaapi_encode_h264.c
@@ -616,10 +616,8 @@ static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
     if (opt->sei & SEI_TIMING) {
         memset(&priv->pic_timing, 0, sizeof(priv->pic_timing));
 
-        priv->pic_timing.cpb_removal_delay =
-            2 * sps->vui.num_units_in_tick * priv->cpb_delay;
-        priv->pic_timing.dpb_output_delay =
-            2 * sps->vui.num_units_in_tick * priv->dpb_delay;
+        priv->pic_timing.cpb_removal_delay = 2 * priv->cpb_delay;
+        priv->pic_timing.dpb_output_delay  = 2 * priv->dpb_delay;
 
         priv->sei_needed = 1;
     }



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