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evr/presenter: Add a helpe for input processing. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-11-10 13:07:19 +03:00 committed by Alexandre Julliard
parent 603b00fe55
commit e4ec280ec7
1 changed files with 54 additions and 0 deletions
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54
dlls/evr/presenter.c
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@ -40,6 +40,11 @@ enum presenter_state
PRESENTER_STATE_PAUSED,
};
enum presenter_flags
{
PRESENTER_MIXER_HAS_INPUT = 0x1,
};
enum streaming_thread_message
{
EVRM_STOP = WM_USER,
@ -82,6 +87,7 @@ struct video_presenter
SIZE native_ratio;
unsigned int ar_mode;
unsigned int state;
unsigned int flags;
CRITICAL_SECTION cs;
};
@ -311,6 +317,50 @@ static HRESULT video_presenter_end_streaming(struct video_presenter *presenter)
return S_OK;
}
static HRESULT video_presenter_process_input(struct video_presenter *presenter)
{
MFT_OUTPUT_DATA_BUFFER buffer;
HRESULT hr = S_OK;
IMFSample *sample;
DWORD status;
if (!presenter->media_type)
return S_OK;
while (hr == S_OK)
{
if (!(presenter->flags & PRESENTER_MIXER_HAS_INPUT))
break;
if (FAILED(hr = IMFVideoSampleAllocator_AllocateSample(presenter->allocator, &sample)))
{
WARN("Failed to allocate a sample, hr %#x.\n", hr);
break;
}
memset(&buffer, 0, sizeof(buffer));
buffer.pSample = sample;
if (FAILED(hr = IMFTransform_ProcessOutput(presenter->mixer, 0, 1, &buffer, &status)))
{
/* FIXME: failure path probably needs to handle some errors specifically */
presenter->flags &= ~PRESENTER_MIXER_HAS_INPUT;
IMFSample_Release(sample);
break;
}
else
{
if (buffer.pEvents)
IMFCollection_Release(buffer.pEvents);
/* FIXME: for now drop output sample back to the pool */
IMFSample_Release(sample);
}
}
return S_OK;
}
static HRESULT WINAPI video_presenter_inner_QueryInterface(IUnknown *iface, REFIID riid, void **obj)
{
struct video_presenter *presenter = impl_from_IUnknown(iface);
@ -511,6 +561,10 @@ static HRESULT WINAPI video_presenter_ProcessMessage(IMFVideoPresenter *iface, M
case MFVP_MESSAGE_ENDSTREAMING:
hr = video_presenter_end_streaming(presenter);
break;
case MFVP_MESSAGE_PROCESSINPUTNOTIFY:
presenter->flags |= PRESENTER_MIXER_HAS_INPUT;
hr = video_presenter_process_input(presenter);
break;
default:
FIXME("Unsupported message %u.\n", message);
hr = E_NOTIMPL;