[FFmpeg-devel] [PATCH v3 3/4] avutil/hwcontext_qsv: map QSV frames to D3D11VA frames

[Tong Wu <tong1.wu-at-intel.com@ffmpeg.org>]

When input is a rawvideo, after mapping QSV frames to D3D11VA frames,
the output will have green frames. Now fix it.

Fixes:
$ ffmpeg.exe -y -init_hw_device d3d11va=d3d11 \
-init_hw_device qsv=qsv@d3d11 -s:v WxH -pix_fmt nv12 -i input.yuv \
-vf "format=nv12,hwupload=extra_hw_frames=16,\
hwmap=derive_device=d3d11va,format=d3d11,hwdownload,format=nv12" \
-f rawvideo output.yuv

Signed-off-by: Tong Wu <tong1.wu@intel.com>
---
 libavutil/hwcontext_qsv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 65af7130b8..27eedef5f8 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -1388,7 +1388,7 @@ static int qsv_map_from(AVHWFramesContext *ctx,
        if (child_frames_ctx->device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
             mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
             dst->data[0] = pair->first;
-            dst->data[1] = pair->second;
+            dst->data[1] = pair->second == (mfxMemId)MFX_INFINITE ? (uint8_t *)0 : pair->second;
         } else {
             dst->data[3] = child_data;
         }
@@ -1418,7 +1418,7 @@ static int qsv_map_from(AVHWFramesContext *ctx,
     if (child_frames_ctx->device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
         mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
         dummy->data[0] = pair->first;
-        dummy->data[1] = pair->second;
+        dummy->data[1] = pair->second == (mfxMemId)MFX_INFINITE ? (uint8_t *)0 : pair->second;
     } else {
         dummy->data[3] = child_data;
     }
-- 
2.35.1

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