Nikolay Sivov : mfmediaengine: Keep latest video frame buffer.
Alexandre Julliard
julliard at winehq.org
Mon May 17 15:45:30 CDT 2021
Module: wine
Branch: master
Commit: c7023042e109d7592433b61cb25ca0d3f77d048b
URL: https://source.winehq.org/git/wine.git/?a=commit;h=c7023042e109d7592433b61cb25ca0d3f77d048b
Author: Nikolay Sivov <nsivov at codeweavers.com>
Date: Mon May 17 12:26:48 2021 +0300
mfmediaengine: Keep latest video frame buffer.
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/mfmediaengine/main.c | 29 +++++++++++++++++++----------
1 file changed, 19 insertions(+), 10 deletions(-)
diff --git a/dlls/mfmediaengine/main.c b/dlls/mfmediaengine/main.c
index c6c73b625f1..0678768cf08 100644
--- a/dlls/mfmediaengine/main.c
+++ b/dlls/mfmediaengine/main.c
@@ -84,14 +84,6 @@ enum media_engine_flags
FLAGS_ENGINE_IS_ENDED = 0x4000,
};
-struct video_frame
-{
- LONGLONG pts;
- SIZE size;
- SIZE ratio;
- TOPOID node_id;
-};
-
struct media_engine
{
IMFMediaEngine IMFMediaEngine_iface;
@@ -115,7 +107,15 @@ struct media_engine
IMFPresentationClock *clock;
IMFSourceResolver *resolver;
BSTR current_source;
- struct video_frame video_frame;
+ struct
+ {
+ LONGLONG pts;
+ SIZE size;
+ SIZE ratio;
+ TOPOID node_id;
+ BYTE *buffer;
+ UINT buffer_size;
+ } video_frame;
CRITICAL_SECTION cs;
};
@@ -976,6 +976,7 @@ static void free_media_engine(struct media_engine *engine)
IMFSourceResolver_Release(engine->resolver);
SysFreeString(engine->current_source);
DeleteCriticalSection(&engine->cs);
+ free(engine->video_frame.buffer);
free(engine);
}
@@ -1781,7 +1782,7 @@ static HRESULT WINAPI media_engine_grabber_callback_OnSetPresentationClock(IMFSa
static HRESULT WINAPI media_engine_grabber_callback_OnProcessSample(IMFSampleGrabberSinkCallback *iface,
REFGUID major_type, DWORD sample_flags, LONGLONG sample_time, LONGLONG sample_duration,
- const BYTE *buffer, DWORD sample_size)
+ const BYTE *buffer, DWORD buffer_size)
{
struct media_engine *engine = impl_from_IMFSampleGrabberSinkCallback(iface);
@@ -1793,6 +1794,14 @@ static HRESULT WINAPI media_engine_grabber_callback_OnProcessSample(IMFSampleGra
media_engine_set_flag(engine, FLAGS_ENGINE_FIRST_FRAME, TRUE);
}
engine->video_frame.pts = sample_time;
+ if (engine->video_frame.buffer_size < buffer_size)
+ {
+ free(engine->video_frame.buffer);
+ if ((engine->video_frame.buffer = malloc(buffer_size)))
+ engine->video_frame.buffer_size = buffer_size;
+ }
+ if (engine->video_frame.buffer)
+ memcpy(engine->video_frame.buffer, buffer, buffer_size);
LeaveCriticalSection(&engine->cs);
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