hwcontext_dxva2: add support for p010

libavutil/hwcontext_dxva2.c

@@ -65,6 +65,7 @@ static const struct {
     enum AVPixelFormat pix_fmt;
 } supported_formats[] = {
     { MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 },
+    { MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 },
 };
 
 DEFINE_GUID(video_decoder_service,   0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
@@ -248,6 +249,10 @@ static int dxva2_transfer_data(AVHWFramesContext *ctx, AVFrame *dst,
     D3DLOCKED_RECT     LockedRect;
     HRESULT            hr;
 
+    uint8_t *surf_data[4]     = { NULL };
+    int      surf_linesize[4] = { 0 };
+    int i;
+
     int download = !!src->hw_frames_ctx;
 
     surface = (IDirect3DSurface9*)(download ? src->data[3] : dst->data[3]);
@@ -265,20 +270,18 @@ static int dxva2_transfer_data(AVHWFramesContext *ctx, AVFrame *dst,
         return AVERROR_UNKNOWN;
     }
 
+    for (i = 0; download ? dst->data[i] : src->data[i]; i++)
+        surf_linesize[i] = LockedRect.Pitch;
+
+    av_image_fill_pointers(surf_data, ctx->sw_format, surfaceDesc.Height,
+                           (uint8_t*)LockedRect.pBits, surf_linesize);
+
     if (download) {
-        av_image_copy_plane(dst->data[0], dst->linesize[0],
-                            (uint8_t*)LockedRect.pBits, LockedRect.Pitch,
-                            src->width, src->height);
-        av_image_copy_plane(dst->data[1], dst->linesize[1],
-                            (uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
-                            LockedRect.Pitch, src->width, src->height / 2);
+        av_image_copy(dst->data, dst->linesize, surf_data, surf_linesize,
+                      ctx->sw_format, src->width, src->height);
     } else {
-        av_image_copy_plane((uint8_t*)LockedRect.pBits, LockedRect.Pitch,
-                            dst->data[0], dst->linesize[0],
-                            src->width, src->height);
-        av_image_copy_plane((uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
-                            LockedRect.Pitch, dst->data[1], dst->linesize[1],
-                            src->width, src->height / 2);
+        av_image_copy(surf_data, surf_linesize, src->data, src->linesize,
+                      ctx->sw_format, src->width, src->height);
     }
 
     IDirect3DSurface9_UnlockRect(surface);