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-rw-r--r--libavutil/hwcontext_qsv.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
index 225ae768a9..c18747f7eb 100644
--- a/libavutil/hwcontext_qsv.c
+++ b/libavutil/hwcontext_qsv.c
@@ -781,7 +781,11 @@ static int qsv_map_from(AVHWFramesContext *ctx,
case AV_HWDEVICE_TYPE_VAAPI:
{
mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
- child_data = pair->first;
+ /* pair->first is *VASurfaceID while data[3] in vaapi frame is VASurfaceID, so
+ * we need this casting for vaapi.
+ * Add intptr_t to force cast from VASurfaceID(uint) type to pointer(long) type
+ * to avoid compile warning */
+ child_data = (uint8_t*)(intptr_t)*(VASurfaceID*)pair->first;
break;
}
#endif