mf: Implement clock-synchronized mode for ProcessSample() in sample grabber sink.
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov
Alexandre Julliard
parent
59ddd60584
commit
54e45dbf7d
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@ -25,6 +25,7 @@
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#include "wine/debug.h"
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#include "wine/heap.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
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@ -36,13 +37,24 @@ enum sink_state
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struct sample_grabber;
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struct scheduled_sample
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{
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struct list entry;
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IMFSample *sample;
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};
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struct sample_grabber_stream
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{
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IMFStreamSink IMFStreamSink_iface;
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IMFMediaTypeHandler IMFMediaTypeHandler_iface;
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IMFAsyncCallback timer_callback;
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LONG refcount;
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struct sample_grabber *sink;
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IMFMediaEventQueue *event_queue;
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enum sink_state state;
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struct list samples;
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IUnknown *cancel_key;
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CRITICAL_SECTION cs;
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};
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struct sample_grabber
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@ -57,8 +69,9 @@ struct sample_grabber
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struct sample_grabber_stream *stream;
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IMFMediaEventQueue *event_queue;
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IMFPresentationClock *clock;
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enum sink_state state;
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IMFTimer *timer;
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UINT32 ignore_clock;
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UINT64 sample_time_offset;
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CRITICAL_SECTION cs;
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};
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@ -101,6 +114,11 @@ static struct sample_grabber_stream *impl_from_IMFMediaTypeHandler(IMFMediaTypeH
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return CONTAINING_RECORD(iface, struct sample_grabber_stream, IMFMediaTypeHandler_iface);
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}
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static struct sample_grabber_stream *impl_from_IMFAsyncCallback(IMFAsyncCallback *iface)
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{
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return CONTAINING_RECORD(iface, struct sample_grabber_stream, timer_callback);
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}
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static HRESULT WINAPI sample_grabber_stream_QueryInterface(IMFStreamSink *iface, REFIID riid, void **obj)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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@ -138,22 +156,41 @@ static ULONG WINAPI sample_grabber_stream_AddRef(IMFStreamSink *iface)
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return refcount;
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}
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static void stream_release_pending_entry(struct sample_grabber_stream *stream, struct scheduled_sample *sample)
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{
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list_remove(&sample->entry);
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IMFSample_Release(sample->sample);
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heap_free(sample);
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}
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static ULONG WINAPI sample_grabber_stream_Release(IMFStreamSink *iface)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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ULONG refcount = InterlockedDecrement(&stream->refcount);
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struct scheduled_sample *sample, *next_sample;
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TRACE("%p, refcount %u.\n", iface, refcount);
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if (!refcount)
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{
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if (stream->sink)
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{
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IMFMediaSink_Release(&stream->sink->IMFMediaSink_iface);
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if (stream->sink->timer && stream->cancel_key)
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IMFTimer_CancelTimer(stream->sink->timer, stream->cancel_key);
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}
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if (stream->cancel_key)
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IUnknown_Release(stream->cancel_key);
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if (stream->event_queue)
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{
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IMFMediaEventQueue_Shutdown(stream->event_queue);
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IMFMediaEventQueue_Release(stream->event_queue);
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}
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LIST_FOR_EACH_ENTRY_SAFE(sample, next_sample, &stream->samples, struct scheduled_sample, entry)
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{
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stream_release_pending_entry(stream, sample);
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}
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DeleteCriticalSection(&stream->cs);
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heap_free(stream);
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}
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@ -284,6 +321,58 @@ static HRESULT sample_grabber_report_sample(struct sample_grabber *grabber, IMFS
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return hr;
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}
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static HRESULT stream_schedule_sample(struct sample_grabber_stream *stream, struct scheduled_sample *pending)
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{
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LONGLONG sampletime;
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HRESULT hr;
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if (!stream->sink)
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return MF_E_STREAMSINK_REMOVED;
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if (FAILED(hr = IMFSample_GetSampleTime(pending->sample, &sampletime)))
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return hr;
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if (stream->cancel_key)
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{
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IUnknown_Release(stream->cancel_key);
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stream->cancel_key = NULL;
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}
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if (FAILED(hr = IMFTimer_SetTimer(stream->sink->timer, 0, sampletime - stream->sink->sample_time_offset,
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&stream->timer_callback, NULL, &stream->cancel_key)))
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{
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stream->cancel_key = NULL;
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}
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return hr;
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}
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static HRESULT stream_queue_sample(struct sample_grabber_stream *stream, IMFSample *sample)
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{
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struct scheduled_sample *pending;
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LONGLONG sampletime;
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HRESULT hr;
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if (FAILED(hr = IMFSample_GetSampleTime(sample, &sampletime)))
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return hr;
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if (!(pending = heap_alloc_zero(sizeof(*pending))))
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return E_OUTOFMEMORY;
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pending->sample = sample;
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IMFSample_AddRef(pending->sample);
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list_init(&pending->entry);
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if (list_empty(&stream->samples))
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hr = stream_schedule_sample(stream, pending);
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if (SUCCEEDED(hr))
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list_add_tail(&stream->samples, &pending->entry);
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else
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stream_release_pending_entry(stream, pending);
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return hr;
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}
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static HRESULT WINAPI sample_grabber_stream_ProcessSample(IMFStreamSink *iface, IMFSample *sample)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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@ -298,9 +387,9 @@ static HRESULT WINAPI sample_grabber_stream_ProcessSample(IMFStreamSink *iface,
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if (!stream->sink)
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return MF_E_STREAMSINK_REMOVED;
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EnterCriticalSection(&stream->sink->cs);
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EnterCriticalSection(&stream->cs);
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if (stream->sink->state == SINK_STATE_RUNNING)
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if (stream->state == SINK_STATE_RUNNING)
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{
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hr = IMFSample_GetSampleTime(sample, &sampletime);
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@ -309,11 +398,11 @@ static HRESULT WINAPI sample_grabber_stream_ProcessSample(IMFStreamSink *iface,
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if (stream->sink->ignore_clock)
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hr = sample_grabber_report_sample(stream->sink, sample);
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else
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FIXME("Sample scheduling is not implemented.\n");
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hr = stream_queue_sample(stream, sample);
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}
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}
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LeaveCriticalSection(&stream->sink->cs);
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LeaveCriticalSection(&stream->cs);
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return hr;
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}
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@ -480,6 +569,87 @@ static const IMFMediaTypeHandlerVtbl sample_grabber_stream_type_handler_vtbl =
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sample_grabber_stream_type_handler_GetMajorType,
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};
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static HRESULT WINAPI sample_grabber_stream_timer_callback_QueryInterface(IMFAsyncCallback *iface, REFIID riid,
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void **obj)
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{
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if (IsEqualIID(riid, &IID_IMFAsyncCallback) || IsEqualIID(riid, &IID_IUnknown))
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{
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*obj = iface;
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IMFAsyncCallback_AddRef(iface);
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return S_OK;
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}
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WARN("Unsupported %s.\n", debugstr_guid(riid));
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*obj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI sample_grabber_stream_timer_callback_AddRef(IMFAsyncCallback *iface)
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{
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struct sample_grabber_stream *stream = impl_from_IMFAsyncCallback(iface);
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return IMFStreamSink_AddRef(&stream->IMFStreamSink_iface);
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}
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static ULONG WINAPI sample_grabber_stream_timer_callback_Release(IMFAsyncCallback *iface)
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{
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struct sample_grabber_stream *stream = impl_from_IMFAsyncCallback(iface);
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return IMFStreamSink_Release(&stream->IMFStreamSink_iface);
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}
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static HRESULT WINAPI sample_grabber_stream_timer_callback_GetParameters(IMFAsyncCallback *iface, DWORD *flags,
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DWORD *queue)
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{
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return E_NOTIMPL;
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}
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static struct scheduled_sample *stream_get_next_sample(struct sample_grabber_stream *stream)
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{
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struct scheduled_sample *sample = NULL;
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struct list *e;
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if ((e = list_head(&stream->samples)))
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sample = LIST_ENTRY(e, struct scheduled_sample, entry);
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return sample;
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}
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static HRESULT WINAPI sample_grabber_stream_timer_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
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{
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struct sample_grabber_stream *stream = impl_from_IMFAsyncCallback(iface);
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struct scheduled_sample *sample;
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HRESULT hr;
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EnterCriticalSection(&stream->cs);
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/* Report and schedule next. */
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if (stream->sink && (sample = stream_get_next_sample(stream)))
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{
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if (FAILED(hr = sample_grabber_report_sample(stream->sink, sample->sample)))
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WARN("Failed to report a sample, hr %#x.\n", hr);
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stream_release_pending_entry(stream, sample);
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if ((sample = stream_get_next_sample(stream)))
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{
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if (FAILED(hr = stream_schedule_sample(stream, sample)))
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WARN("Failed to schedule a sample, hr %#x.\n", hr);
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}
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}
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LeaveCriticalSection(&stream->cs);
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return S_OK;
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}
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static const IMFAsyncCallbackVtbl sample_grabber_stream_timer_callback_vtbl =
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{
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sample_grabber_stream_timer_callback_QueryInterface,
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sample_grabber_stream_timer_callback_AddRef,
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sample_grabber_stream_timer_callback_Release,
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sample_grabber_stream_timer_callback_GetParameters,
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sample_grabber_stream_timer_callback_Invoke,
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};
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static HRESULT WINAPI sample_grabber_sink_QueryInterface(IMFMediaSink *iface, REFIID riid, void **obj)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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@ -539,6 +709,8 @@ static ULONG WINAPI sample_grabber_sink_Release(IMFMediaSink *iface)
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}
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if (grabber->clock)
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IMFPresentationClock_Release(grabber->clock);
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if (grabber->timer)
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IMFTimer_Release(grabber->timer);
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DeleteCriticalSection(&grabber->cs);
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heap_free(grabber);
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}
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@ -661,12 +833,22 @@ static HRESULT WINAPI sample_grabber_sink_SetPresentationClock(IMFMediaSink *ifa
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{
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IMFPresentationClock_RemoveClockStateSink(grabber->clock, &grabber->IMFClockStateSink_iface);
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IMFPresentationClock_Release(grabber->clock);
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if (grabber->timer)
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{
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IMFTimer_Release(grabber->timer);
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grabber->timer = NULL;
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}
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}
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grabber->clock = clock;
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if (grabber->clock)
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{
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IMFPresentationClock_AddRef(grabber->clock);
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IMFPresentationClock_AddClockStateSink(grabber->clock, &grabber->IMFClockStateSink_iface);
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if (FAILED(IMFPresentationClock_QueryInterface(grabber->clock, &IID_IMFTimer, (void **)&grabber->timer)))
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{
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WARN("Failed to get IMFTimer interface.\n");
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grabber->timer = NULL;
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}
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}
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}
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@ -715,7 +897,9 @@ static HRESULT WINAPI sample_grabber_sink_Shutdown(IMFMediaSink *iface)
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if (SUCCEEDED(hr = IMFSampleGrabberSinkCallback_OnShutdown(grabber->callback)))
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{
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IMFMediaSink_Release(&grabber->stream->sink->IMFMediaSink_iface);
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EnterCriticalSection(&grabber->stream->cs);
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grabber->stream->sink = NULL;
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LeaveCriticalSection(&grabber->stream->cs);
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IMFStreamSink_Release(&grabber->stream->IMFStreamSink_iface);
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grabber->stream = NULL;
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}
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@ -769,23 +953,25 @@ static void sample_grabber_set_state(struct sample_grabber *grabber, enum sink_s
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EnterCriticalSection(&grabber->cs);
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switch (grabber->state)
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if (grabber->stream)
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{
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case SINK_STATE_STOPPED:
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set_state = state == SINK_STATE_RUNNING;
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break;
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case SINK_STATE_RUNNING:
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set_state = state == SINK_STATE_STOPPED;
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break;
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default:
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;
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}
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switch (grabber->stream->state)
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{
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case SINK_STATE_STOPPED:
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set_state = state == SINK_STATE_RUNNING;
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break;
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case SINK_STATE_RUNNING:
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set_state = state == SINK_STATE_STOPPED;
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break;
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default:
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;
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}
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if (set_state)
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{
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grabber->state = state;
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if (grabber->stream)
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if (set_state)
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{
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grabber->stream->state = state;
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IMFStreamSink_QueueEvent(&grabber->stream->IMFStreamSink_iface, events[state], &GUID_NULL, S_OK, NULL);
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}
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}
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LeaveCriticalSection(&grabber->cs);
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@ -929,9 +1115,12 @@ static HRESULT sample_grabber_create_stream(struct sample_grabber *sink, struct
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object->IMFStreamSink_iface.lpVtbl = &sample_grabber_stream_vtbl;
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object->IMFMediaTypeHandler_iface.lpVtbl = &sample_grabber_stream_type_handler_vtbl;
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object->timer_callback.lpVtbl = &sample_grabber_stream_timer_callback_vtbl;
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object->refcount = 1;
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object->sink = sink;
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IMFMediaSink_AddRef(&object->sink->IMFMediaSink_iface);
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list_init(&object->samples);
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InitializeCriticalSection(&object->cs);
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if (FAILED(hr = MFCreateEventQueue(&object->event_queue)))
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goto failed;
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@ -972,6 +1161,7 @@ static HRESULT sample_grabber_create_object(IMFAttributes *attributes, void *use
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object->media_type = context->media_type;
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IMFMediaType_AddRef(object->media_type);
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IMFAttributes_GetUINT32(attributes, &MF_SAMPLEGRABBERSINK_IGNORE_CLOCK, &object->ignore_clock);
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IMFAttributes_GetUINT64(attributes, &MF_SAMPLEGRABBERSINK_SAMPLE_TIME_OFFSET, &object->sample_time_offset);
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InitializeCriticalSection(&object->cs);
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if (FAILED(hr = sample_grabber_create_stream(object, &object->stream)))
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