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evr/mixer: Send sample requests when switching to streaming mode. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-10-23 14:33:29 +03:00 committed by Alexandre Julliard
parent d063fff62e
commit 2d87981637
1 changed files with 18 additions and 0 deletions
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18
dlls/evr/mixer.c
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@ -28,6 +28,7 @@
#include "initguid.h"
#include "evr9.h"
#include "evcode.h"
#include "wine/debug.h"
#include "wine/heap.h"
@ -44,6 +45,7 @@ struct input_stream
MFVideoNormalizedRect rect;
unsigned int zorder;
IMFSample *sample;
unsigned int sample_requested : 1;
};
struct rt_format
@ -995,6 +997,15 @@ static HRESULT WINAPI video_mixer_transform_ProcessEvent(IMFTransform *iface, DW
return E_NOTIMPL;
}
static void video_mixer_request_sample(struct video_mixer *mixer, unsigned int idx)
{
if (!mixer->event_sink || mixer->inputs[idx].sample_requested)
return;
IMediaEventSink_Notify(mixer->event_sink, EC_SAMPLE_NEEDED, idx, 0);
mixer->inputs[idx].sample_requested = 1;
}
static HRESULT WINAPI video_mixer_transform_ProcessMessage(IMFTransform *iface, MFT_MESSAGE_TYPE message, ULONG_PTR param)
{
struct video_mixer *mixer = impl_from_IMFTransform(iface);
@ -1039,6 +1050,12 @@ static HRESULT WINAPI video_mixer_transform_ProcessMessage(IMFTransform *iface,
EnterCriticalSection(&mixer->cs);
if (!mixer->is_streaming)
{
for (i = 0; i < mixer->input_count; ++i)
video_mixer_request_sample(mixer, i);
}
mixer->is_streaming = message == MFT_MESSAGE_NOTIFY_BEGIN_STREAMING;
LeaveCriticalSection(&mixer->cs);
@ -1078,6 +1095,7 @@ static HRESULT WINAPI video_mixer_transform_ProcessInput(IMFTransform *iface, DW
else
{
mixer->is_streaming = 1;
input->sample_requested = 0;
input->sample = sample;
IMFSample_AddRef(input->sample);
}