Commit 020d2202 authored by Nikolay Sivov's avatar Nikolay Sivov Committed by Alexandre Julliard

mfreadwrite: Add partial implementation of ReadSample().

parent 9fb20dda
......@@ -79,13 +79,21 @@ struct sample
IMFSample *sample;
};
enum media_stream_state
{
STREAM_STATE_READY = 0,
STREAM_STATE_EOS,
};
struct media_stream
{
IMFMediaStream *stream;
IMFMediaType *current;
DWORD id;
CRITICAL_SECTION cs;
CONDITION_VARIABLE sample_event;
struct list samples;
enum media_stream_state state;
};
typedef struct source_reader
......@@ -359,6 +367,8 @@ static HRESULT source_reader_media_sample_handler(struct source_reader *reader,
list_add_tail(&reader->streams[i].samples, &pending_sample->entry);
LeaveCriticalSection(&reader->streams[i].cs);
WakeAllConditionVariable(&reader->streams[i].sample_event);
break;
}
}
......@@ -698,14 +708,98 @@ static HRESULT WINAPI src_reader_SetCurrentPosition(IMFSourceReader *iface, REFG
return IMFMediaSource_Start(reader->source, reader->descriptor, format, position);
}
static HRESULT WINAPI src_reader_ReadSample(IMFSourceReader *iface, DWORD index,
DWORD flags, DWORD *actualindex, DWORD *sampleflags, LONGLONG *timestamp,
IMFSample **sample)
static IMFSample *media_stream_pop_sample(struct media_stream *stream, DWORD *stream_flags)
{
srcreader *This = impl_from_IMFSourceReader(iface);
FIXME("%p, 0x%08x, 0x%08x, %p, %p, %p, %p\n", This, index, flags, actualindex,
sampleflags, timestamp, sample);
return E_NOTIMPL;
IMFSample *ret = NULL;
struct list *head;
if ((head = list_head(&stream->samples)))
{
struct sample *pending_sample = LIST_ENTRY(head, struct sample, entry);
ret = pending_sample->sample;
list_remove(&pending_sample->entry);
heap_free(pending_sample);
}
*stream_flags = stream->state == STREAM_STATE_EOS ? MF_SOURCE_READERF_ENDOFSTREAM : 0;
return ret;
}
static HRESULT WINAPI src_reader_ReadSample(IMFSourceReader *iface, DWORD index, DWORD flags, DWORD *actual_index,
DWORD *stream_flags, LONGLONG *timestamp, IMFSample **sample)
{
struct source_reader *reader = impl_from_IMFSourceReader(iface);
HRESULT hr;
TRACE("%p, %#x, %#x, %p, %p, %p, %p\n", iface, index, flags, actual_index, stream_flags, timestamp, sample);
switch (index)
{
case MF_SOURCE_READER_FIRST_VIDEO_STREAM:
index = reader->first_video_stream_index;
break;
case MF_SOURCE_READER_FIRST_AUDIO_STREAM:
index = reader->first_audio_stream_index;
break;
case MF_SOURCE_READER_ANY_STREAM:
FIXME("Non-specific requests are not supported.\n");
return E_NOTIMPL;
default:
;
}
/* FIXME: probably should happen once */
IMFMediaSource_Start(reader->source, reader->descriptor, NULL, NULL);
if (reader->async_callback)
{
FIXME("Async mode is not implemented.\n");
return E_NOTIMPL;
}
else
{
struct media_stream *stream;
if (!stream_flags || !sample)
return E_POINTER;
if (actual_index)
*actual_index = index;
*sample = NULL;
if (index >= reader->stream_count)
{
*stream_flags = MF_SOURCE_READERF_ERROR;
return MF_E_INVALIDSTREAMNUMBER;
}
stream = &reader->streams[index];
EnterCriticalSection(&stream->cs);
if (!(flags & MF_SOURCE_READER_CONTROLF_DRAIN))
{
while (list_empty(&stream->samples) && stream->state != STREAM_STATE_EOS)
{
if (stream->stream)
{
if (FAILED(hr = IMFMediaStream_RequestSample(stream->stream, NULL)))
WARN("Sample request failed, hr %#x.\n", hr);
}
SleepConditionVariableCS(&stream->sample_event, &stream->cs, INFINITE);
}
}
*sample = media_stream_pop_sample(stream, stream_flags);
LeaveCriticalSection(&stream->cs);
TRACE("Got sample %p.\n", *sample);
}
return S_OK;
}
static HRESULT WINAPI src_reader_Flush(IMFSourceReader *iface, DWORD index)
......@@ -922,6 +1016,7 @@ static HRESULT create_source_reader_from_source(IMFMediaSource *source, IMFAttri
break;
InitializeCriticalSection(&object->streams[i].cs);
InitializeConditionVariable(&object->streams[i].sample_event);
list_init(&object->streams[i].samples);
}
......
......@@ -315,6 +315,13 @@ todo_wine
ok(actual_index == MF_SOURCE_READER_FIRST_VIDEO_STREAM, "Unexpected stream index %u\n", actual_index);
ok(stream_flags == MF_SOURCE_READERF_ERROR, "Unexpected stream flags %#x.\n", stream_flags);
hr = IMFSourceReader_ReadSample(reader, MF_SOURCE_READER_FIRST_VIDEO_STREAM, 0, NULL, &stream_flags, &timestamp,
&sample);
ok(hr == MF_E_INVALIDSTREAMNUMBER, "Unexpected hr %#x.\n", hr);
hr = IMFSourceReader_ReadSample(reader, MF_SOURCE_READER_FIRST_VIDEO_STREAM, 0, NULL, NULL, &timestamp, &sample);
ok(hr == E_POINTER, "Unexpected hr %#x.\n", hr);
hr = IMFSourceReader_ReadSample(reader, MF_SOURCE_READER_FIRST_AUDIO_STREAM, 0, &actual_index, &stream_flags,
&timestamp, &sample);
ok(hr == S_OK, "Failed to get a sample, hr %#x.\n", hr);
......
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