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mfreadwrite: Request one sample at a time from the stream. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-03-25 14:39:59 +03:00 committed by Alexandre Julliard
parent 63e0b3a71a
commit 767744513e
1 changed files with 10 additions and 1 deletions
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11
dlls/mfreadwrite/main.c
View File

@ -94,6 +94,11 @@ enum media_source_state
SOURCE_STATE_STARTED,
};
enum media_stream_flags
{
STREAM_FLAG_SAMPLE_REQUESTED = 0x1,
};
struct media_stream
{
IMFMediaStream *stream;
@ -107,6 +112,7 @@ struct media_stream
enum media_stream_state state;
BOOL selected;
BOOL presented;
DWORD flags;
};
struct source_reader
@ -507,6 +513,7 @@ static HRESULT source_reader_media_sample_handler(struct source_reader *reader,
{
EnterCriticalSection(&reader->streams[i].cs);
reader->streams[i].flags &= ~STREAM_FLAG_SAMPLE_REQUESTED;
hr = source_reader_process_sample(&reader->streams[i], sample);
LeaveCriticalSection(&reader->streams[i].cs);
@ -1235,10 +1242,12 @@ static HRESULT source_reader_read_sample(struct source_reader *reader, DWORD ind
{
while (list_empty(&stream->responses) && stream->state != STREAM_STATE_EOS)
{
if (stream->stream)
if (stream->stream && !(stream->flags & STREAM_FLAG_SAMPLE_REQUESTED))
{
if (FAILED(hr = IMFMediaStream_RequestSample(stream->stream, NULL)))
WARN("Sample request failed, hr %#x.\n", hr);
else
stream->flags |= STREAM_FLAG_SAMPLE_REQUESTED;
}
SleepConditionVariableCS(&stream->sample_event, &stream->cs, INFINITE);
}