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mf/session: Implement IsRateSupported(). 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2021-11-08 11:41:45 +03:00 committed by Alexandre Julliard
parent 67d38c6991
commit d8bbbfd589
1 changed files with 78 additions and 2 deletions
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80
dlls/mf/session.c
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@ -3537,6 +3537,80 @@ static HRESULT session_get_presentation_rate(struct media_session *session, MFRA
return hr;
}
static HRESULT session_is_presentation_rate_supported(struct media_session *session, BOOL thin, float rate,
float *nearest_rate)
{
IMFRateSupport *rate_support;
struct media_source *source;
struct media_sink *sink;
float value = 0.0f, tmp;
unsigned int flags;
HRESULT hr = S_OK;
if (!nearest_rate) nearest_rate = &tmp;
if (rate == 0.0f)
{
*nearest_rate = 1.0f;
return S_OK;
}
EnterCriticalSection(&session->cs);
if (session->presentation.topo_status != MF_TOPOSTATUS_INVALID)
{
LIST_FOR_EACH_ENTRY(source, &session->presentation.sources, struct media_source, entry)
{
if (FAILED(hr = MFGetService((IUnknown *)source->source, &MF_RATE_CONTROL_SERVICE, &IID_IMFRateSupport,
(void **)&rate_support)))
{
value = 1.0f;
break;
}
value = rate;
if (FAILED(hr = IMFRateSupport_IsRateSupported(rate_support, thin, rate, &value)))
WARN("Source does not support rate %f, hr %#x.\n", rate, hr);
IMFRateSupport_Release(rate_support);
/* Only "first" source is considered. */
break;
}
if (SUCCEEDED(hr))
{
/* For sinks only check if rate is supported, ignoring nearest values. */
LIST_FOR_EACH_ENTRY(sink, &session->presentation.sinks, struct media_sink, entry)
{
flags = 0;
if (FAILED(hr = IMFMediaSink_GetCharacteristics(sink->sink, &flags)))
break;
if (flags & MEDIASINK_RATELESS)
continue;
if (FAILED(MFGetService((IUnknown *)sink->sink, &MF_RATE_CONTROL_SERVICE, &IID_IMFRateSupport,
(void **)&rate_support)))
continue;
hr = IMFRateSupport_IsRateSupported(rate_support, thin, rate, NULL);
IMFRateSupport_Release(rate_support);
if (FAILED(hr))
{
WARN("Sink %p does not support rate %f, hr %#x.\n", sink->sink, rate, hr);
break;
}
}
}
}
LeaveCriticalSection(&session->cs);
*nearest_rate = value;
return hr;
}
static HRESULT WINAPI session_rate_support_GetSlowestRate(IMFRateSupport *iface, MFRATE_DIRECTION direction,
BOOL thin, float *rate)
{
@ -3560,9 +3634,11 @@ static HRESULT WINAPI session_rate_support_GetFastestRate(IMFRateSupport *iface,
static HRESULT WINAPI session_rate_support_IsRateSupported(IMFRateSupport *iface, BOOL thin, float rate,
float *nearest_supported_rate)
{
FIXME("%p, %d, %f, %p.\n", iface, thin, rate, nearest_supported_rate);
struct media_session *session = impl_session_from_IMFRateSupport(iface);
return E_NOTIMPL;
TRACE("%p, %d, %f, %p.\n", iface, thin, rate, nearest_supported_rate);
return session_is_presentation_rate_supported(session, thin, rate, nearest_supported_rate);
}
static const IMFRateSupportVtbl session_rate_support_vtbl =