[FFmpeg-devel] [PATCH v2 3/4] lavfi/qsvvpp: provide a default framerate if needed

["Xiang, Haihao" <haihao.xiang-at-intel.com@ffmpeg.org>]

From: Haihao Xiang <haihao.xiang@intel.com>

VPP in the SDK requires the frame rate to be set to a valid value,
otherwise init will fail, so always set a default framerate when the
input link doesn't have a valid framerate.

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
---
 libavfilter/qsvvpp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
index a088f6b61f..a588a37610 100644
--- a/libavfilter/qsvvpp.c
+++ b/libavfilter/qsvvpp.c
@@ -324,6 +324,14 @@ static int fill_frameinfo_by_link(mfxFrameInfo *frameinfo, AVFilterLink *link)
     frameinfo->CropH          = link->h;
     frameinfo->FrameRateExtN  = link->frame_rate.num;
     frameinfo->FrameRateExtD  = link->frame_rate.den;
+
+    /* Apparently VPP in the SDK requires the frame rate to be set to some value, otherwise
+     * init will fail */
+    if (frameinfo->FrameRateExtD == 0 || frameinfo->FrameRateExtN == 0) {
+        frameinfo->FrameRateExtN = 25;
+        frameinfo->FrameRateExtD = 1;
+    }
+
     frameinfo->AspectRatioW   = link->sample_aspect_ratio.num ? link->sample_aspect_ratio.num : 1;
     frameinfo->AspectRatioH   = link->sample_aspect_ratio.den ? link->sample_aspect_ratio.den : 1;
 
-- 
2.25.1

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