static int DxSetupOutput(vlc_va_t *va, const GUID *input)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT hr;
#ifndef NDEBUG
BOOL bSupported = false;
for (int format = 0; format < 188; format++) {
hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice*) dx_sys->d3ddec, input, format, &bSupported);
if (SUCCEEDED(hr) && bSupported)
msg_Dbg(va, "format %s is supported for output", DxgiFormatToStr(format));
}
#endif
DXGI_FORMAT processorInput[4];
int idx = 0;
if ( va->sys->render != DXGI_FORMAT_UNKNOWN )
processorInput[idx++] = va->sys->render;
processorInput[idx++] = DXGI_FORMAT_NV12;
processorInput[idx++] = DXGI_FORMAT_UNKNOWN;
/* */
for (idx = 0; processorInput[idx] != DXGI_FORMAT_UNKNOWN; ++idx)
{
BOOL is_supported = false;
hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice*) dx_sys->d3ddec, input, processorInput[idx], &is_supported);
if (SUCCEEDED(hr) && is_supported)
msg_Dbg(va, "%s is supported for output", DxgiFormatToStr(processorInput[idx]));
else
{
msg_Dbg(va, "Can't get a decoder for output format %s.", DxgiFormatToStr(processorInput[idx]));
continue;
}
// check if we can create render texture of that format
// check the decoder can output to that format
const UINT i_quadSupportFlags = D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_SHADER_LOAD;
UINT i_formatSupport;
bool b_needsProcessor = true;
if( SUCCEEDED( ID3D11Device_CheckFormatSupport((ID3D11Device*) dx_sys->d3ddev,
processorInput[idx],
&i_formatSupport)) &&
( i_formatSupport & i_quadSupportFlags ) == i_quadSupportFlags )
b_needsProcessor = false;
if ( !b_needsProcessor )
{
va->sys->render = processorInput[idx];
return VLC_SUCCESS;
}
}
msg_Dbg(va, "Output format from picture source not supported.");
return VLC_EGENERIC;
}
static bool d3d11_format_supported(struct lavc_ctx *s, const GUID *guid,
const struct d3d_decoded_format *format)
{
struct priv *p = s->hwdec_priv;
BOOL is_supported = FALSE;
HRESULT hr = ID3D11VideoDevice_CheckVideoDecoderFormat(
p->video_dev, guid, format->dxfmt, &is_supported);
if (FAILED(hr)) {
MP_ERR(p, "Check decoder output format %s for decoder %s: %s\n",
format->name, d3d_decoder_guid_to_desc(guid),
mp_HRESULT_to_str(hr));
}
return is_supported;
}
