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hwcontext_dxva2: add support for the P8 format 

This format is used internally by the QSV encoder to store the encoded
bitstream.

Signed-off-by: Maxym Dmytrychenko <maxym.dmytrychenko@intel.com>
This commit is contained in:
Anton Khirnov 2016-08-10 13:01:55 +02:00
parent 9109737654
commit 10065d9324
1 changed files with 19 additions and 3 deletions
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22
libavutil/hwcontext_dxva2.c
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@ -40,6 +40,10 @@
typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
typedef struct DXVA2Mapping {
uint32_t palette_dummy[256];
} DXVA2Mapping;
typedef struct DXVA2FramesContext {
IDirect3DSurface9 **surfaces_internal;
int nb_surfaces_used;
@ -66,6 +70,7 @@ static const struct {
} supported_formats[] = {
{ MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 },
{ MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 },
{ D3DFMT_P8, AV_PIX_FMT_PAL8 },
};
DEFINE_GUID(video_decoder_service, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
@ -245,12 +250,14 @@ static void dxva2_unmap_frame(AVHWFramesContext *ctx, HWMapDescriptor *hwmap)
{
IDirect3DSurface9 *surface = (IDirect3DSurface9*)hwmap->source->data[3];
IDirect3DSurface9_UnlockRect(surface);
av_freep(&hwmap->priv);
}
static int dxva2_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src,
int flags)
{
IDirect3DSurface9 *surface = (IDirect3DSurface9*)src->data[3];
DXVA2Mapping *map;
D3DSURFACE_DESC surfaceDesc;
D3DLOCKED_RECT LockedRect;
HRESULT hr;
@ -271,17 +278,26 @@ static int dxva2_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *
return AVERROR_UNKNOWN;
}
err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src,
dxva2_unmap_frame, NULL);
if (err < 0)
map = av_mallocz(sizeof(*map));
if (!map)
goto fail;
err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src,
dxva2_unmap_frame, map);
if (err < 0) {
av_freep(&map);
goto fail;
}
for (i = 0; i < nb_planes; i++)
dst->linesize[i] = LockedRect.Pitch;
av_image_fill_pointers(dst->data, dst->format, surfaceDesc.Height,
(uint8_t*)LockedRect.pBits, dst->linesize);
if (dst->format == AV_PIX_FMT_PAL8)
dst->data[1] = (uint8_t*)map->palette_dummy;
return 0;
fail:
IDirect3DSurface9_UnlockRect(surface);