1303 lines
36 KiB
C
1303 lines
36 KiB
C
/*
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* Primary audio stream
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*
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* Copyright 2012 Christian Costa
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "amstream_private.h"
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#include "wine/debug.h"
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#include "wine/strmbase.h"
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WINE_DEFAULT_DEBUG_CHANNEL(amstream);
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static const WCHAR sink_id[] = L"I{A35FF56B-9FDA-11D0-8FDF-00C04FD9189D}";
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struct queued_receive
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{
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struct list entry;
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IMediaSample *sample;
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DWORD length;
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BYTE *pointer;
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DWORD position;
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};
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struct audio_stream
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{
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IAMMediaStream IAMMediaStream_iface;
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IAudioMediaStream IAudioMediaStream_iface;
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IMemInputPin IMemInputPin_iface;
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IPin IPin_iface;
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LONG ref;
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IMultiMediaStream* parent;
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MSPID purpose_id;
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STREAM_TYPE stream_type;
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CRITICAL_SECTION cs;
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IMediaStreamFilter *filter;
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IPin *peer;
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IMemAllocator *allocator;
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AM_MEDIA_TYPE mt;
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WAVEFORMATEX format;
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FILTER_STATE state;
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BOOL eos;
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struct list receive_queue;
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struct list update_queue;
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};
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typedef struct {
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IAudioStreamSample IAudioStreamSample_iface;
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LONG ref;
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struct audio_stream *parent;
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IAudioData *audio_data;
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HANDLE update_event;
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struct list entry;
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DWORD length;
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BYTE *pointer;
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DWORD position;
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HRESULT update_hr;
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} IAudioStreamSampleImpl;
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static void remove_queued_receive(struct queued_receive *receive)
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{
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list_remove(&receive->entry);
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IMediaSample_Release(receive->sample);
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free(receive);
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}
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static void remove_queued_update(IAudioStreamSampleImpl *sample)
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{
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HRESULT hr;
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hr = IAudioData_SetActual(sample->audio_data, sample->position);
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if (FAILED(hr))
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sample->update_hr = hr;
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list_remove(&sample->entry);
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SetEvent(sample->update_event);
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}
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static void flush_receive_queue(struct audio_stream *stream)
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{
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struct list *entry;
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while ((entry = list_head(&stream->receive_queue)))
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remove_queued_receive(LIST_ENTRY(entry, struct queued_receive, entry));
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}
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static void process_update(IAudioStreamSampleImpl *sample, struct queued_receive *receive)
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{
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DWORD advance;
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advance = min(receive->length - receive->position, sample->length - sample->position);
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memcpy(&sample->pointer[sample->position], &receive->pointer[receive->position], advance);
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receive->position += advance;
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sample->position += advance;
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sample->update_hr = (sample->position == sample->length) ? S_OK : MS_S_PENDING;
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}
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static void process_updates(struct audio_stream *stream)
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{
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while (!list_empty(&stream->update_queue) && !list_empty(&stream->receive_queue))
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{
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IAudioStreamSampleImpl *sample = LIST_ENTRY(list_head(&stream->update_queue), IAudioStreamSampleImpl, entry);
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struct queued_receive *receive = LIST_ENTRY(list_head(&stream->receive_queue), struct queued_receive, entry);
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process_update(sample, receive);
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if (sample->update_hr != MS_S_PENDING)
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remove_queued_update(sample);
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if (receive->position == receive->length)
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remove_queued_receive(receive);
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}
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if (stream->eos)
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{
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while (!list_empty(&stream->update_queue))
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{
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IAudioStreamSampleImpl *sample = LIST_ENTRY(list_head(&stream->update_queue), IAudioStreamSampleImpl, entry);
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sample->update_hr = sample->position ? S_OK : MS_S_ENDOFSTREAM;
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remove_queued_update(sample);
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}
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}
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}
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static inline IAudioStreamSampleImpl *impl_from_IAudioStreamSample(IAudioStreamSample *iface)
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{
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return CONTAINING_RECORD(iface, IAudioStreamSampleImpl, IAudioStreamSample_iface);
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}
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/*** IUnknown methods ***/
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static HRESULT WINAPI IAudioStreamSampleImpl_QueryInterface(IAudioStreamSample *iface,
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REFIID riid, void **ret_iface)
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{
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TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ret_iface);
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IStreamSample) ||
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IsEqualGUID(riid, &IID_IAudioStreamSample))
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{
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IAudioStreamSample_AddRef(iface);
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*ret_iface = iface;
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return S_OK;
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}
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*ret_iface = NULL;
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ERR("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ret_iface);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI IAudioStreamSampleImpl_AddRef(IAudioStreamSample *iface)
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{
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IAudioStreamSampleImpl *This = impl_from_IAudioStreamSample(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(): new ref = %u\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI IAudioStreamSampleImpl_Release(IAudioStreamSample *iface)
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{
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IAudioStreamSampleImpl *This = impl_from_IAudioStreamSample(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(): new ref = %u\n", iface, ref);
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if (!ref)
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{
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CloseHandle(This->update_event);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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/*** IStreamSample methods ***/
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static HRESULT WINAPI IAudioStreamSampleImpl_GetMediaStream(IAudioStreamSample *iface, IMediaStream **media_stream)
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{
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FIXME("(%p)->(%p): stub\n", iface, media_stream);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IAudioStreamSampleImpl_GetSampleTimes(IAudioStreamSample *iface, STREAM_TIME *start_time,
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STREAM_TIME *end_time, STREAM_TIME *current_time)
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{
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FIXME("(%p)->(%p,%p,%p): stub\n", iface, start_time, end_time, current_time);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IAudioStreamSampleImpl_SetSampleTimes(IAudioStreamSample *iface, const STREAM_TIME *start_time,
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const STREAM_TIME *end_time)
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{
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FIXME("(%p)->(%p,%p): stub\n", iface, start_time, end_time);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IAudioStreamSampleImpl_Update(IAudioStreamSample *iface,
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DWORD flags, HANDLE event, PAPCFUNC apc_func, DWORD apc_data)
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{
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IAudioStreamSampleImpl *sample = impl_from_IAudioStreamSample(iface);
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BYTE *pointer;
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DWORD length;
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HRESULT hr;
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TRACE("sample %p, flags %#x, event %p, apc_func %p, apc_data %#x.\n",
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sample, flags, event, apc_func, apc_data);
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hr = IAudioData_GetInfo(sample->audio_data, &length, &pointer, NULL);
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if (FAILED(hr))
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return hr;
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if (event && apc_func)
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return E_INVALIDARG;
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if (apc_func)
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{
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FIXME("APC support is not implemented!\n");
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return E_NOTIMPL;
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}
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if (event)
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{
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FIXME("Event parameter support is not implemented!\n");
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return E_NOTIMPL;
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}
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if (flags & ~SSUPDATE_ASYNC)
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{
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FIXME("Unsupported flags %#x.\n", flags);
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return E_NOTIMPL;
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}
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EnterCriticalSection(&sample->parent->cs);
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if (sample->parent->state != State_Running)
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{
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LeaveCriticalSection(&sample->parent->cs);
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return MS_E_NOTRUNNING;
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}
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if (!sample->parent->peer)
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{
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LeaveCriticalSection(&sample->parent->cs);
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return MS_S_ENDOFSTREAM;
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}
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if (MS_S_PENDING == sample->update_hr)
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{
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LeaveCriticalSection(&sample->parent->cs);
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return MS_E_BUSY;
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}
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sample->length = length;
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sample->pointer = pointer;
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sample->position = 0;
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sample->update_hr = MS_S_PENDING;
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ResetEvent(sample->update_event);
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list_add_tail(&sample->parent->update_queue, &sample->entry);
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process_updates(sample->parent);
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hr = sample->update_hr;
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LeaveCriticalSection(&sample->parent->cs);
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if (hr != MS_S_PENDING || (flags & SSUPDATE_ASYNC))
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return hr;
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WaitForSingleObject(sample->update_event, INFINITE);
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return sample->update_hr;
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}
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static HRESULT WINAPI IAudioStreamSampleImpl_CompletionStatus(IAudioStreamSample *iface, DWORD flags, DWORD milliseconds)
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{
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IAudioStreamSampleImpl *sample = impl_from_IAudioStreamSample(iface);
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HRESULT hr;
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TRACE("sample %p, flags %#x, milliseconds %u.\n", sample, flags, milliseconds);
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if (flags)
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{
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FIXME("Unhandled flags %#x.\n", flags);
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return E_NOTIMPL;
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}
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EnterCriticalSection(&sample->parent->cs);
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hr = sample->update_hr;
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LeaveCriticalSection(&sample->parent->cs);
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return hr;
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}
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/*** IAudioStreamSample methods ***/
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static HRESULT WINAPI IAudioStreamSampleImpl_GetAudioData(IAudioStreamSample *iface, IAudioData **audio_data)
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{
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FIXME("(%p)->(%p): stub\n", iface, audio_data);
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return E_NOTIMPL;
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}
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static const struct IAudioStreamSampleVtbl AudioStreamSample_Vtbl =
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{
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/*** IUnknown methods ***/
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IAudioStreamSampleImpl_QueryInterface,
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IAudioStreamSampleImpl_AddRef,
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IAudioStreamSampleImpl_Release,
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/*** IStreamSample methods ***/
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IAudioStreamSampleImpl_GetMediaStream,
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IAudioStreamSampleImpl_GetSampleTimes,
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IAudioStreamSampleImpl_SetSampleTimes,
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IAudioStreamSampleImpl_Update,
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IAudioStreamSampleImpl_CompletionStatus,
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/*** IAudioStreamSample methods ***/
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IAudioStreamSampleImpl_GetAudioData
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};
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static HRESULT audiostreamsample_create(struct audio_stream *parent, IAudioData *audio_data, IAudioStreamSample **audio_stream_sample)
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{
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IAudioStreamSampleImpl *object;
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TRACE("(%p)\n", audio_stream_sample);
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object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IAudioStreamSampleImpl));
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if (!object)
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return E_OUTOFMEMORY;
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object->IAudioStreamSample_iface.lpVtbl = &AudioStreamSample_Vtbl;
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object->ref = 1;
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object->parent = parent;
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object->audio_data = audio_data;
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object->update_event = CreateEventW(NULL, FALSE, FALSE, NULL);
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*audio_stream_sample = &object->IAudioStreamSample_iface;
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return S_OK;
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}
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static inline struct audio_stream *impl_from_IAMMediaStream(IAMMediaStream *iface)
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{
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return CONTAINING_RECORD(iface, struct audio_stream, IAMMediaStream_iface);
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}
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/*** IUnknown methods ***/
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static HRESULT WINAPI audio_IAMMediaStream_QueryInterface(IAMMediaStream *iface,
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REFIID riid, void **ret_iface)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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TRACE("(%p/%p)->(%s,%p)\n", iface, This, debugstr_guid(riid), ret_iface);
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IMediaStream) ||
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IsEqualGUID(riid, &IID_IAMMediaStream))
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{
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IAMMediaStream_AddRef(iface);
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*ret_iface = iface;
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return S_OK;
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}
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else if (IsEqualGUID(riid, &IID_IAudioMediaStream))
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{
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IAMMediaStream_AddRef(iface);
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*ret_iface = &This->IAudioMediaStream_iface;
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return S_OK;
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}
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else if (IsEqualGUID(riid, &IID_IPin))
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{
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IAMMediaStream_AddRef(iface);
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*ret_iface = &This->IPin_iface;
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return S_OK;
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}
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else if (IsEqualGUID(riid, &IID_IMemInputPin))
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{
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IAMMediaStream_AddRef(iface);
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*ret_iface = &This->IMemInputPin_iface;
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return S_OK;
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}
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ERR("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ret_iface);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI audio_IAMMediaStream_AddRef(IAMMediaStream *iface)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p/%p)->(): new ref = %u\n", iface, This, ref);
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return ref;
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}
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static ULONG WINAPI audio_IAMMediaStream_Release(IAMMediaStream *iface)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p/%p)->(): new ref = %u\n", iface, This, ref);
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if (!ref)
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{
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DeleteCriticalSection(&This->cs);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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/*** IMediaStream methods ***/
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static HRESULT WINAPI audio_IAMMediaStream_GetMultiMediaStream(IAMMediaStream *iface,
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IMultiMediaStream **mmstream)
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{
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struct audio_stream *stream = impl_from_IAMMediaStream(iface);
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TRACE("stream %p, mmstream %p.\n", stream, mmstream);
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if (!mmstream)
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return E_POINTER;
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if (stream->parent)
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IMultiMediaStream_AddRef(stream->parent);
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*mmstream = stream->parent;
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return S_OK;
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}
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static HRESULT WINAPI audio_IAMMediaStream_GetInformation(IAMMediaStream *iface,
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MSPID *purpose_id, STREAM_TYPE *type)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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TRACE("(%p/%p)->(%p,%p)\n", This, iface, purpose_id, type);
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if (purpose_id)
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*purpose_id = This->purpose_id;
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if (type)
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*type = This->stream_type;
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return S_OK;
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}
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static HRESULT WINAPI audio_IAMMediaStream_SetSameFormat(IAMMediaStream *iface,
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IMediaStream *pStreamThatHasDesiredFormat, DWORD flags)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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FIXME("(%p/%p)->(%p,%x) stub!\n", This, iface, pStreamThatHasDesiredFormat, flags);
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return S_FALSE;
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}
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static HRESULT WINAPI audio_IAMMediaStream_AllocateSample(IAMMediaStream *iface,
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DWORD flags, IStreamSample **sample)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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FIXME("(%p/%p)->(%x,%p) stub!\n", This, iface, flags, sample);
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return S_FALSE;
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}
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static HRESULT WINAPI audio_IAMMediaStream_CreateSharedSample(IAMMediaStream *iface,
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IStreamSample *existing_sample, DWORD flags, IStreamSample **sample)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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FIXME("(%p/%p)->(%p,%x,%p) stub!\n", This, iface, existing_sample, flags, sample);
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return S_FALSE;
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}
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static HRESULT WINAPI audio_IAMMediaStream_SendEndOfStream(IAMMediaStream *iface, DWORD flags)
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{
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struct audio_stream *This = impl_from_IAMMediaStream(iface);
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FIXME("(%p/%p)->(%x) stub!\n", This, iface, flags);
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return S_FALSE;
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}
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/*** IAMMediaStream methods ***/
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static HRESULT WINAPI audio_IAMMediaStream_Initialize(IAMMediaStream *iface, IUnknown *source_object, DWORD flags,
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REFMSPID purpose_id, const STREAM_TYPE stream_type)
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{
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struct audio_stream *stream = impl_from_IAMMediaStream(iface);
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TRACE("stream %p, source_object %p, flags %x, purpose_id %s, stream_type %u.\n", stream, source_object, flags,
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debugstr_guid(purpose_id), stream_type);
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if (!purpose_id)
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return E_POINTER;
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|
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if (source_object)
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FIXME("Specifying a stream object is not yet supported.\n");
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|
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if (flags & AMMSF_CREATEPEER)
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FIXME("AMMSF_CREATEPEER is not yet supported.\n");
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stream->purpose_id = *purpose_id;
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stream->stream_type = stream_type;
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return S_OK;
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}
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|
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static HRESULT WINAPI audio_IAMMediaStream_SetState(IAMMediaStream *iface, FILTER_STATE state)
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{
|
|
struct audio_stream *stream = impl_from_IAMMediaStream(iface);
|
|
|
|
TRACE("stream %p, state %u.\n", stream, state);
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (state == State_Stopped)
|
|
flush_receive_queue(stream);
|
|
if (stream->state == State_Stopped)
|
|
stream->eos = FALSE;
|
|
|
|
stream->state = state;
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAMMediaStream_JoinAMMultiMediaStream(IAMMediaStream *iface,
|
|
IAMMultiMediaStream *mmstream)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAMMediaStream(iface);
|
|
|
|
TRACE("stream %p, mmstream %p.\n", stream, mmstream);
|
|
|
|
stream->parent = (IMultiMediaStream *)mmstream;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAMMediaStream_JoinFilter(IAMMediaStream *iface, IMediaStreamFilter *filter)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAMMediaStream(iface);
|
|
|
|
TRACE("stream %p, filter %p.\n", stream, filter);
|
|
|
|
stream->filter = filter;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAMMediaStream_JoinFilterGraph(IAMMediaStream *iface, IFilterGraph *filtergraph)
|
|
{
|
|
struct audio_stream *This = impl_from_IAMMediaStream(iface);
|
|
|
|
FIXME("(%p/%p)->(%p) stub!\n", This, iface, filtergraph);
|
|
|
|
return S_FALSE;
|
|
}
|
|
|
|
static const struct IAMMediaStreamVtbl audio_IAMMediaStream_vtbl =
|
|
{
|
|
audio_IAMMediaStream_QueryInterface,
|
|
audio_IAMMediaStream_AddRef,
|
|
audio_IAMMediaStream_Release,
|
|
audio_IAMMediaStream_GetMultiMediaStream,
|
|
audio_IAMMediaStream_GetInformation,
|
|
audio_IAMMediaStream_SetSameFormat,
|
|
audio_IAMMediaStream_AllocateSample,
|
|
audio_IAMMediaStream_CreateSharedSample,
|
|
audio_IAMMediaStream_SendEndOfStream,
|
|
audio_IAMMediaStream_Initialize,
|
|
audio_IAMMediaStream_SetState,
|
|
audio_IAMMediaStream_JoinAMMultiMediaStream,
|
|
audio_IAMMediaStream_JoinFilter,
|
|
audio_IAMMediaStream_JoinFilterGraph,
|
|
};
|
|
|
|
static inline struct audio_stream *impl_from_IAudioMediaStream(IAudioMediaStream *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, struct audio_stream, IAudioMediaStream_iface);
|
|
}
|
|
|
|
/*** IUnknown methods ***/
|
|
static HRESULT WINAPI audio_IAudioMediaStream_QueryInterface(IAudioMediaStream *iface,
|
|
REFIID riid, void **ret_iface)
|
|
{
|
|
struct audio_stream *This = impl_from_IAudioMediaStream(iface);
|
|
TRACE("(%p/%p)->(%s,%p)\n", iface, This, debugstr_guid(riid), ret_iface);
|
|
return IAMMediaStream_QueryInterface(&This->IAMMediaStream_iface, riid, ret_iface);
|
|
}
|
|
|
|
static ULONG WINAPI audio_IAudioMediaStream_AddRef(IAudioMediaStream *iface)
|
|
{
|
|
struct audio_stream *This = impl_from_IAudioMediaStream(iface);
|
|
TRACE("(%p/%p)\n", iface, This);
|
|
return IAMMediaStream_AddRef(&This->IAMMediaStream_iface);
|
|
}
|
|
|
|
static ULONG WINAPI audio_IAudioMediaStream_Release(IAudioMediaStream *iface)
|
|
{
|
|
struct audio_stream *This = impl_from_IAudioMediaStream(iface);
|
|
TRACE("(%p/%p)\n", iface, This);
|
|
return IAMMediaStream_Release(&This->IAMMediaStream_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_GetMultiMediaStream(IAudioMediaStream *iface,
|
|
IMultiMediaStream **mmstream)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
return IAMMediaStream_GetMultiMediaStream(&stream->IAMMediaStream_iface, mmstream);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_GetInformation(IAudioMediaStream *iface,
|
|
MSPID *purpose_id, STREAM_TYPE *type)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
return IAMMediaStream_GetInformation(&stream->IAMMediaStream_iface, purpose_id, type);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_SetSameFormat(IAudioMediaStream *iface,
|
|
IMediaStream *other, DWORD flags)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
return IAMMediaStream_SetSameFormat(&stream->IAMMediaStream_iface, other, flags);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_AllocateSample(IAudioMediaStream *iface,
|
|
DWORD flags, IStreamSample **sample)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
return IAMMediaStream_AllocateSample(&stream->IAMMediaStream_iface, flags, sample);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_CreateSharedSample(IAudioMediaStream *iface,
|
|
IStreamSample *existing_sample, DWORD flags, IStreamSample **sample)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
return IAMMediaStream_CreateSharedSample(&stream->IAMMediaStream_iface, existing_sample, flags, sample);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_SendEndOfStream(IAudioMediaStream *iface, DWORD flags)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
return IAMMediaStream_SendEndOfStream(&stream->IAMMediaStream_iface, flags);
|
|
}
|
|
|
|
/*** IAudioMediaStream methods ***/
|
|
static HRESULT WINAPI audio_IAudioMediaStream_GetFormat(IAudioMediaStream *iface, WAVEFORMATEX *format)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
|
|
TRACE("stream %p, format %p.\n", stream, format);
|
|
|
|
if (!format)
|
|
return E_POINTER;
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (!stream->peer)
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return MS_E_NOSTREAM;
|
|
}
|
|
|
|
*format = *(WAVEFORMATEX *)stream->mt.pbFormat;
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_SetFormat(IAudioMediaStream *iface, const WAVEFORMATEX *format)
|
|
{
|
|
struct audio_stream *stream = impl_from_IAudioMediaStream(iface);
|
|
|
|
TRACE("stream %p, format %p.\n", stream, format);
|
|
|
|
if (!format)
|
|
return E_POINTER;
|
|
|
|
if (format->wFormatTag != WAVE_FORMAT_PCM)
|
|
return E_INVALIDARG;
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if ((stream->peer && memcmp(format, stream->mt.pbFormat, sizeof(WAVEFORMATEX)))
|
|
|| (stream->format.wFormatTag && memcmp(format, &stream->format, sizeof(WAVEFORMATEX))))
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
stream->format = *format;
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_IAudioMediaStream_CreateSample(IAudioMediaStream *iface, IAudioData *audio_data,
|
|
DWORD flags, IAudioStreamSample **sample)
|
|
{
|
|
struct audio_stream *This = impl_from_IAudioMediaStream(iface);
|
|
|
|
TRACE("(%p/%p)->(%p,%u,%p)\n", iface, This, audio_data, flags, sample);
|
|
|
|
if (!audio_data)
|
|
return E_POINTER;
|
|
|
|
return audiostreamsample_create(This, audio_data, sample);
|
|
}
|
|
|
|
static const struct IAudioMediaStreamVtbl audio_IAudioMediaStream_vtbl =
|
|
{
|
|
audio_IAudioMediaStream_QueryInterface,
|
|
audio_IAudioMediaStream_AddRef,
|
|
audio_IAudioMediaStream_Release,
|
|
audio_IAudioMediaStream_GetMultiMediaStream,
|
|
audio_IAudioMediaStream_GetInformation,
|
|
audio_IAudioMediaStream_SetSameFormat,
|
|
audio_IAudioMediaStream_AllocateSample,
|
|
audio_IAudioMediaStream_CreateSharedSample,
|
|
audio_IAudioMediaStream_SendEndOfStream,
|
|
audio_IAudioMediaStream_GetFormat,
|
|
audio_IAudioMediaStream_SetFormat,
|
|
audio_IAudioMediaStream_CreateSample,
|
|
};
|
|
|
|
struct enum_media_types
|
|
{
|
|
IEnumMediaTypes IEnumMediaTypes_iface;
|
|
LONG refcount;
|
|
unsigned int index;
|
|
};
|
|
|
|
static const IEnumMediaTypesVtbl enum_media_types_vtbl;
|
|
|
|
static struct enum_media_types *impl_from_IEnumMediaTypes(IEnumMediaTypes *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, struct enum_media_types, IEnumMediaTypes_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI enum_media_types_QueryInterface(IEnumMediaTypes *iface, REFIID iid, void **out)
|
|
{
|
|
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
|
|
|
|
if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IEnumMediaTypes))
|
|
{
|
|
IEnumMediaTypes_AddRef(iface);
|
|
*out = iface;
|
|
return S_OK;
|
|
}
|
|
|
|
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
|
|
*out = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
static ULONG WINAPI enum_media_types_AddRef(IEnumMediaTypes *iface)
|
|
{
|
|
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
|
|
ULONG refcount = InterlockedIncrement(&enum_media_types->refcount);
|
|
TRACE("%p increasing refcount to %u.\n", enum_media_types, refcount);
|
|
return refcount;
|
|
}
|
|
|
|
static ULONG WINAPI enum_media_types_Release(IEnumMediaTypes *iface)
|
|
{
|
|
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
|
|
ULONG refcount = InterlockedDecrement(&enum_media_types->refcount);
|
|
TRACE("%p decreasing refcount to %u.\n", enum_media_types, refcount);
|
|
if (!refcount)
|
|
heap_free(enum_media_types);
|
|
return refcount;
|
|
}
|
|
|
|
static HRESULT WINAPI enum_media_types_Next(IEnumMediaTypes *iface, ULONG count, AM_MEDIA_TYPE **mts, ULONG *ret_count)
|
|
{
|
|
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
|
|
|
|
TRACE("iface %p, count %u, mts %p, ret_count %p.\n", iface, count, mts, ret_count);
|
|
|
|
if (!ret_count)
|
|
return E_POINTER;
|
|
|
|
if (count && !enum_media_types->index)
|
|
{
|
|
mts[0] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
|
|
memset(mts[0], 0, sizeof(AM_MEDIA_TYPE));
|
|
mts[0]->majortype = MEDIATYPE_Audio;
|
|
mts[0]->subtype = MEDIASUBTYPE_PCM;
|
|
++enum_media_types->index;
|
|
*ret_count = 1;
|
|
return count == 1 ? S_OK : S_FALSE;
|
|
}
|
|
|
|
*ret_count = 0;
|
|
return count ? S_FALSE : S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI enum_media_types_Skip(IEnumMediaTypes *iface, ULONG count)
|
|
{
|
|
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
|
|
|
|
TRACE("iface %p, count %u.\n", iface, count);
|
|
|
|
enum_media_types->index += count;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI enum_media_types_Reset(IEnumMediaTypes *iface)
|
|
{
|
|
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
|
|
|
|
TRACE("iface %p.\n", iface);
|
|
|
|
enum_media_types->index = 0;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI enum_media_types_Clone(IEnumMediaTypes *iface, IEnumMediaTypes **out)
|
|
{
|
|
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
|
|
struct enum_media_types *object;
|
|
|
|
TRACE("iface %p, out %p.\n", iface, out);
|
|
|
|
if (!(object = heap_alloc(sizeof(*object))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
object->IEnumMediaTypes_iface.lpVtbl = &enum_media_types_vtbl;
|
|
object->refcount = 1;
|
|
object->index = enum_media_types->index;
|
|
|
|
*out = &object->IEnumMediaTypes_iface;
|
|
return S_OK;
|
|
}
|
|
|
|
static const IEnumMediaTypesVtbl enum_media_types_vtbl =
|
|
{
|
|
enum_media_types_QueryInterface,
|
|
enum_media_types_AddRef,
|
|
enum_media_types_Release,
|
|
enum_media_types_Next,
|
|
enum_media_types_Skip,
|
|
enum_media_types_Reset,
|
|
enum_media_types_Clone,
|
|
};
|
|
|
|
static inline struct audio_stream *impl_from_IPin(IPin *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, struct audio_stream, IPin_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_QueryInterface(IPin *iface, REFIID iid, void **out)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
return IAMMediaStream_QueryInterface(&stream->IAMMediaStream_iface, iid, out);
|
|
}
|
|
|
|
static ULONG WINAPI audio_sink_AddRef(IPin *iface)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
return IAMMediaStream_AddRef(&stream->IAMMediaStream_iface);
|
|
}
|
|
|
|
static ULONG WINAPI audio_sink_Release(IPin *iface)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
return IAMMediaStream_Release(&stream->IAMMediaStream_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_Connect(IPin *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
WARN("iface %p, peer %p, mt %p, unexpected call!\n", iface, peer, mt);
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_ReceiveConnection(IPin *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
PIN_DIRECTION dir;
|
|
|
|
TRACE("stream %p, peer %p, mt %p.\n", stream, peer, mt);
|
|
|
|
if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio)
|
|
|| !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx)
|
|
|| mt->cbFormat < sizeof(WAVEFORMATEX))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
|
|
if (((const WAVEFORMATEX *)mt->pbFormat)->wFormatTag != WAVE_FORMAT_PCM)
|
|
return E_INVALIDARG;
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (stream->peer)
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return VFW_E_ALREADY_CONNECTED;
|
|
}
|
|
|
|
IPin_QueryDirection(peer, &dir);
|
|
if (dir != PINDIR_OUTPUT)
|
|
{
|
|
WARN("Rejecting connection from input pin.\n");
|
|
LeaveCriticalSection(&stream->cs);
|
|
return VFW_E_INVALID_DIRECTION;
|
|
}
|
|
|
|
if (stream->format.wFormatTag && memcmp(mt->pbFormat, &stream->format, sizeof(WAVEFORMATEX)))
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
CopyMediaType(&stream->mt, mt);
|
|
IPin_AddRef(stream->peer = peer);
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_Disconnect(IPin *iface)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
|
|
TRACE("stream %p.\n", stream);
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (!stream->peer)
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return S_FALSE;
|
|
}
|
|
|
|
IPin_Release(stream->peer);
|
|
stream->peer = NULL;
|
|
FreeMediaType(&stream->mt);
|
|
memset(&stream->mt, 0, sizeof(AM_MEDIA_TYPE));
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_ConnectedTo(IPin *iface, IPin **peer)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
HRESULT hr;
|
|
|
|
TRACE("stream %p, peer %p.\n", stream, peer);
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (stream->peer)
|
|
{
|
|
IPin_AddRef(*peer = stream->peer);
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
{
|
|
*peer = NULL;
|
|
hr = VFW_E_NOT_CONNECTED;
|
|
}
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_ConnectionMediaType(IPin *iface, AM_MEDIA_TYPE *mt)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
HRESULT hr;
|
|
|
|
TRACE("stream %p, mt %p.\n", stream, mt);
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (stream->peer)
|
|
{
|
|
CopyMediaType(mt, &stream->mt);
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
{
|
|
memset(mt, 0, sizeof(AM_MEDIA_TYPE));
|
|
hr = VFW_E_NOT_CONNECTED;
|
|
}
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_QueryPinInfo(IPin *iface, PIN_INFO *info)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
|
|
TRACE("stream %p, info %p.\n", stream, info);
|
|
|
|
IBaseFilter_AddRef(info->pFilter = (IBaseFilter *)stream->filter);
|
|
info->dir = PINDIR_INPUT;
|
|
wcscpy(info->achName, sink_id);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_QueryDirection(IPin *iface, PIN_DIRECTION *dir)
|
|
{
|
|
TRACE("iface %p, dir %p.\n", iface, dir);
|
|
*dir = PINDIR_INPUT;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_QueryId(IPin *iface, WCHAR **id)
|
|
{
|
|
TRACE("iface %p, id %p.\n", iface, id);
|
|
|
|
if (!(*id = CoTaskMemAlloc(sizeof(sink_id))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
wcscpy(*id, sink_id);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *mt)
|
|
{
|
|
TRACE("iface %p, mt %p.\n", iface, mt);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_EnumMediaTypes(IPin *iface, IEnumMediaTypes **enum_media_types)
|
|
{
|
|
struct enum_media_types *object;
|
|
|
|
TRACE("iface %p, enum_media_types %p.\n", iface, enum_media_types);
|
|
|
|
if (!enum_media_types)
|
|
return E_POINTER;
|
|
|
|
if (!(object = heap_alloc(sizeof(*object))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
object->IEnumMediaTypes_iface.lpVtbl = &enum_media_types_vtbl;
|
|
object->refcount = 1;
|
|
object->index = 0;
|
|
|
|
*enum_media_types = &object->IEnumMediaTypes_iface;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_QueryInternalConnections(IPin *iface, IPin **pins, ULONG *count)
|
|
{
|
|
TRACE("iface %p, pins %p, count %p.\n", iface, pins, count);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_EndOfStream(IPin *iface)
|
|
{
|
|
struct audio_stream *stream = impl_from_IPin(iface);
|
|
|
|
TRACE("stream %p.\n", stream);
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (stream->eos)
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return E_FAIL;
|
|
}
|
|
|
|
stream->eos = TRUE;
|
|
|
|
process_updates(stream);
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_BeginFlush(IPin *iface)
|
|
{
|
|
FIXME("iface %p, stub!\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_EndFlush(IPin *iface)
|
|
{
|
|
FIXME("iface %p, stub!\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_sink_NewSegment(IPin *iface, REFERENCE_TIME start, REFERENCE_TIME stop, double rate)
|
|
{
|
|
FIXME("iface %p, start %s, stop %s, rate %0.16e, stub!\n",
|
|
iface, wine_dbgstr_longlong(start), wine_dbgstr_longlong(stop), rate);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IPinVtbl audio_sink_vtbl =
|
|
{
|
|
audio_sink_QueryInterface,
|
|
audio_sink_AddRef,
|
|
audio_sink_Release,
|
|
audio_sink_Connect,
|
|
audio_sink_ReceiveConnection,
|
|
audio_sink_Disconnect,
|
|
audio_sink_ConnectedTo,
|
|
audio_sink_ConnectionMediaType,
|
|
audio_sink_QueryPinInfo,
|
|
audio_sink_QueryDirection,
|
|
audio_sink_QueryId,
|
|
audio_sink_QueryAccept,
|
|
audio_sink_EnumMediaTypes,
|
|
audio_sink_QueryInternalConnections,
|
|
audio_sink_EndOfStream,
|
|
audio_sink_BeginFlush,
|
|
audio_sink_EndFlush,
|
|
audio_sink_NewSegment,
|
|
};
|
|
|
|
static inline struct audio_stream *impl_from_IMemInputPin(IMemInputPin *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, struct audio_stream, IMemInputPin_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_meminput_QueryInterface(IMemInputPin *iface, REFIID iid, void **out)
|
|
{
|
|
struct audio_stream *stream = impl_from_IMemInputPin(iface);
|
|
return IAMMediaStream_QueryInterface(&stream->IAMMediaStream_iface, iid, out);
|
|
}
|
|
|
|
static ULONG WINAPI audio_meminput_AddRef(IMemInputPin *iface)
|
|
{
|
|
struct audio_stream *stream = impl_from_IMemInputPin(iface);
|
|
return IAMMediaStream_AddRef(&stream->IAMMediaStream_iface);
|
|
}
|
|
|
|
static ULONG WINAPI audio_meminput_Release(IMemInputPin *iface)
|
|
{
|
|
struct audio_stream *stream = impl_from_IMemInputPin(iface);
|
|
return IAMMediaStream_Release(&stream->IAMMediaStream_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI audio_meminput_GetAllocator(IMemInputPin *iface, IMemAllocator **allocator)
|
|
{
|
|
struct audio_stream *stream = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("stream %p, allocator %p.\n", stream, allocator);
|
|
|
|
if (stream->allocator)
|
|
{
|
|
IMemAllocator_AddRef(*allocator = stream->allocator);
|
|
return S_OK;
|
|
}
|
|
|
|
*allocator = NULL;
|
|
return VFW_E_NO_ALLOCATOR;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_meminput_NotifyAllocator(IMemInputPin *iface, IMemAllocator *allocator, BOOL readonly)
|
|
{
|
|
struct audio_stream *stream = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("stream %p, allocator %p, readonly %d.\n", stream, allocator, readonly);
|
|
|
|
if (!allocator)
|
|
return E_POINTER;
|
|
|
|
if (allocator)
|
|
IMemAllocator_AddRef(allocator);
|
|
if (stream->allocator)
|
|
IMemAllocator_Release(stream->allocator);
|
|
stream->allocator = allocator;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_meminput_GetAllocatorRequirements(IMemInputPin *iface, ALLOCATOR_PROPERTIES *props)
|
|
{
|
|
TRACE("iface %p, props %p.\n", iface, props);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_meminput_Receive(IMemInputPin *iface, IMediaSample *sample)
|
|
{
|
|
struct audio_stream *stream = impl_from_IMemInputPin(iface);
|
|
struct queued_receive *receive;
|
|
BYTE *pointer;
|
|
HRESULT hr;
|
|
|
|
TRACE("stream %p, sample %p.\n", stream, sample);
|
|
|
|
EnterCriticalSection(&stream->cs);
|
|
|
|
if (stream->state == State_Stopped)
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return VFW_E_WRONG_STATE;
|
|
}
|
|
|
|
hr = IMediaSample_GetPointer(sample, &pointer);
|
|
if (FAILED(hr))
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return hr;
|
|
}
|
|
|
|
receive = calloc(1, sizeof(*receive));
|
|
if (!receive)
|
|
{
|
|
LeaveCriticalSection(&stream->cs);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
receive->length = IMediaSample_GetActualDataLength(sample);
|
|
receive->pointer = pointer;
|
|
receive->sample = sample;
|
|
IMediaSample_AddRef(receive->sample);
|
|
list_add_tail(&stream->receive_queue, &receive->entry);
|
|
|
|
process_updates(stream);
|
|
|
|
LeaveCriticalSection(&stream->cs);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_meminput_ReceiveMultiple(IMemInputPin *iface,
|
|
IMediaSample **samples, LONG count, LONG *processed)
|
|
{
|
|
FIXME("iface %p, samples %p, count %u, processed %p, stub!\n", iface, samples, count, processed);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI audio_meminput_ReceiveCanBlock(IMemInputPin *iface)
|
|
{
|
|
TRACE("iface %p.\n", iface);
|
|
return S_OK;
|
|
}
|
|
|
|
static const IMemInputPinVtbl audio_meminput_vtbl =
|
|
{
|
|
audio_meminput_QueryInterface,
|
|
audio_meminput_AddRef,
|
|
audio_meminput_Release,
|
|
audio_meminput_GetAllocator,
|
|
audio_meminput_NotifyAllocator,
|
|
audio_meminput_GetAllocatorRequirements,
|
|
audio_meminput_Receive,
|
|
audio_meminput_ReceiveMultiple,
|
|
audio_meminput_ReceiveCanBlock,
|
|
};
|
|
|
|
HRESULT audio_stream_create(IUnknown *outer, void **out)
|
|
{
|
|
struct audio_stream *object;
|
|
|
|
if (outer)
|
|
return CLASS_E_NOAGGREGATION;
|
|
|
|
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
|
|
if (!object)
|
|
return E_OUTOFMEMORY;
|
|
|
|
object->IAMMediaStream_iface.lpVtbl = &audio_IAMMediaStream_vtbl;
|
|
object->IAudioMediaStream_iface.lpVtbl = &audio_IAudioMediaStream_vtbl;
|
|
object->IMemInputPin_iface.lpVtbl = &audio_meminput_vtbl;
|
|
object->IPin_iface.lpVtbl = &audio_sink_vtbl;
|
|
object->ref = 1;
|
|
|
|
InitializeCriticalSection(&object->cs);
|
|
list_init(&object->receive_queue);
|
|
list_init(&object->update_queue);
|
|
|
|
TRACE("Created audio stream %p.\n", object);
|
|
|
|
*out = &object->IAMMediaStream_iface;
|
|
|
|
return S_OK;
|
|
}
|