[PATCH 4/5] evr/mixer: Send sample requests when switching to streaming mode.
Nikolay Sivov
nsivov at codeweavers.com
Fri Oct 23 06:33:29 CDT 2020
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/evr/mixer.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/dlls/evr/mixer.c b/dlls/evr/mixer.c
index 48875a200fd..c0d46ce5331 100644
--- a/dlls/evr/mixer.c
+++ b/dlls/evr/mixer.c
@@ -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);
}
--
2.28.0
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