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Merge commit '9d7026574bbbe67d004a1c32911da75375692967'

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* commit '9d7026574bbbe67d004a1c32911da75375692967':
  hwcontext_dxva2: fix handling of the mapping flags

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
This commit is contained in:
Hendrik Leppkes 2017-04-01 18:53:32 +02:00
commit fbfa72916c
1 changed files with 9 additions and 3 deletions
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12
libavutil/hwcontext_dxva2.c
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@ -278,6 +278,7 @@ static int dxva2_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *
D3DLOCKED_RECT LockedRect;
HRESULT hr;
int i, err, nb_planes;
int lock_flags = 0;
nb_planes = av_pix_fmt_count_planes(dst->format);
@ -287,8 +288,12 @@ static int dxva2_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *
return AVERROR_UNKNOWN;
}
hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL,
flags & AV_HWFRAME_MAP_READ ? D3DLOCK_READONLY : D3DLOCK_DISCARD);
if (!(flags & AV_HWFRAME_MAP_WRITE))
lock_flags |= D3DLOCK_READONLY;
if (flags & AV_HWFRAME_MAP_OVERWRITE)
lock_flags |= D3DLOCK_DISCARD;
hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, lock_flags);
if (FAILED(hr)) {
av_log(ctx, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
return AVERROR_UNKNOWN;
@ -334,7 +339,8 @@ static int dxva2_transfer_data(AVHWFramesContext *ctx, AVFrame *dst,
map->format = dst->format;
ret = dxva2_map_frame(ctx, map, download ? src : dst,
download ? AV_HWFRAME_MAP_READ : AV_HWFRAME_MAP_WRITE);
download ? AV_HWFRAME_MAP_READ :
AV_HWFRAME_MAP_WRITE | AV_HWFRAME_MAP_OVERWRITE);
if (ret < 0)
goto fail;