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mf/evr: Handle mixer sample requests during sink state transitions. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2021-04-26 11:23:33 +03:00 committed by Alexandre Julliard
parent b0118c7c7d
commit 2a6f0a4093
1 changed files with 23 additions and 10 deletions
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33
dlls/mf/evr.c
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@ -47,6 +47,7 @@ enum video_stream_flags
{
EVR_STREAM_PREROLLING = 0x1,
EVR_STREAM_PREROLLED = 0x2,
EVR_STREAM_SAMPLE_NEEDED = 0x4,
};
struct video_renderer;
@ -1825,13 +1826,19 @@ static ULONG WINAPI video_renderer_clock_sink_Release(IMFClockStateSink *iface)
static HRESULT WINAPI video_renderer_clock_sink_OnClockStart(IMFClockStateSink *iface, MFTIME systime, LONGLONG offset)
{
struct video_renderer *renderer = impl_from_IMFClockStateSink(iface);
unsigned int state, request_sample;
size_t i;
TRACE("%p, %s, %s.\n", iface, debugstr_time(systime), debugstr_time(offset));
EnterCriticalSection(&renderer->cs);
if (renderer->state == EVR_STATE_STOPPED)
state = renderer->state;
/* Update sink state before sending sample requests, to avoid potentially receiving new sample in stopped state */
renderer->state = EVR_STATE_RUNNING;
if (state == EVR_STATE_STOPPED)
{
IMFTransform_ProcessMessage(renderer->mixer, MFT_MESSAGE_NOTIFY_BEGIN_STREAMING, 0);
IMFVideoPresenter_ProcessMessage(renderer->presenter, MFVP_MESSAGE_BEGINSTREAMING, 0);
@ -1840,19 +1847,19 @@ static HRESULT WINAPI video_renderer_clock_sink_OnClockStart(IMFClockStateSink *
{
struct video_stream *stream = renderer->streams[i];
IMFMediaEventQueue_QueueEventParamVar(stream->event_queue, MEStreamSinkStarted, &GUID_NULL, S_OK, NULL);
EnterCriticalSection(&stream->cs);
if (!(stream->flags & EVR_STREAM_PREROLLED))
request_sample = !(stream->flags & EVR_STREAM_PREROLLED) || (stream->flags & EVR_STREAM_SAMPLE_NEEDED);
stream->flags |= EVR_STREAM_PREROLLED;
stream->flags &= ~EVR_STREAM_SAMPLE_NEEDED;
LeaveCriticalSection(&stream->cs);
IMFMediaEventQueue_QueueEventParamVar(stream->event_queue, MEStreamSinkStarted, &GUID_NULL, S_OK, NULL);
if (request_sample)
IMFMediaEventQueue_QueueEventParamVar(stream->event_queue, MEStreamSinkRequestSample,
&GUID_NULL, S_OK, NULL);
stream->flags |= EVR_STREAM_PREROLLED;
LeaveCriticalSection(&stream->cs);
}
}
renderer->state = EVR_STATE_RUNNING;
IMFVideoPresenter_OnClockStart(renderer->presenter, systime, offset);
LeaveCriticalSection(&renderer->cs);
@ -1886,7 +1893,7 @@ static HRESULT WINAPI video_renderer_clock_sink_OnClockStop(IMFClockStateSink *i
IMFMediaEventQueue_QueueEventParamVar(stream->event_queue, MEStreamSinkStopped, &GUID_NULL, S_OK, NULL);
EnterCriticalSection(&stream->cs);
stream->flags &= ~EVR_STREAM_PREROLLED;
stream->flags &= ~(EVR_STREAM_PREROLLED | EVR_STREAM_SAMPLE_NEEDED);
LeaveCriticalSection(&stream->cs);
}
renderer->state = EVR_STATE_STOPPED;
@ -2184,11 +2191,17 @@ static HRESULT WINAPI video_renderer_event_sink_Notify(IMediaEventSink *iface, L
idx = param1;
if (idx >= renderer->stream_count)
hr = MF_E_INVALIDSTREAMNUMBER;
else
else if (renderer->state == EVR_STATE_RUNNING)
{
hr = IMFMediaEventQueue_QueueEventParamVar(renderer->streams[idx]->event_queue,
MEStreamSinkRequestSample, &GUID_NULL, S_OK, NULL);
}
else
{
/* Mixer asks for more input right after preroll too, before renderer finished running state transition.
Mark such streams here, and issue requests later in OnClockStart(). */
renderer->streams[idx]->flags |= EVR_STREAM_SAMPLE_NEEDED;
}
}
else if (event == EC_DISPLAY_CHANGED)
{