amstream_private.h File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wtypes.h"
#include "wingdi.h"
#include "winuser.h"
#include "dshow.h"
#include "mmstream.h"
#include "austream.h"
#include "amstream.h"

Include dependency graph for amstream_private.h:

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Go to the source code of this file.

Functions
HRESULT	multimedia_stream_create (IUnknown *outer, void **out)
HRESULT	AMAudioData_create (IUnknown *pUnkOuter, LPVOID *ppObj)
HRESULT	filter_create (IUnknown *outer, void **out)
HRESULT	ddraw_stream_create (IUnknown *outer, void **out)
HRESULT	audio_stream_create (IUnknown *outer, void **out)

Function Documentation

AMAudioData_create()

HRESULT AMAudioData_create	(	IUnknown *	pUnkOuter,
		LPVOID *	ppObj
	)

Definition at line 219 of file audiodata.c.

{
    AMAudioDataImpl *object;
 
    TRACE("(%p,%p)\n", pUnkOuter, ppObj);
 
    if (pUnkOuter)
        return CLASS_E_NOAGGREGATION;
 
    if (!(object = calloc(1, sizeof(*object))))
        return E_OUTOFMEMORY;
 
    object->IAudioData_iface.lpVtbl = &AudioData_Vtbl;
    object->ref = 1;
 
    object->wave_format.wFormatTag = WAVE_FORMAT_PCM;
    object->wave_format.nChannels = 1;
    object->wave_format.nSamplesPerSec = 11025;
    object->wave_format.wBitsPerSample = 16;
    object->wave_format.nBlockAlign = object->wave_format.wBitsPerSample * object->wave_format.nChannels / 8;
    object->wave_format.nAvgBytesPerSec = object->wave_format.nBlockAlign * object->wave_format.nSamplesPerSec;
 
    *ppObj = &object->IAudioData_iface;
 
    return S_OK;
}

audio_stream_create()

HRESULT audio_stream_create	(	IUnknown *	outer,
		void **	out
	)

Definition at line 1389 of file audiostream.c.

{
    struct audio_stream *object;
 
    if (outer)
        return CLASS_E_NOAGGREGATION;
 
    if (!(object = calloc(1, sizeof(*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;
}

Referenced by multimedia_stream_AddMediaStream().

ddraw_stream_create()

HRESULT ddraw_stream_create	(	IUnknown *	outer,
		void **	out
	)

Definition at line 1473 of file ddrawstream.c.

{
    struct ddraw_stream *object;
 
    if (outer)
        return CLASS_E_NOAGGREGATION;
 
    if (!(object = calloc(1, sizeof(*object))))
        return E_OUTOFMEMORY;
 
    object->IAMMediaStream_iface.lpVtbl = &ddraw_IAMMediaStream_vtbl;
    object->IDirectDrawMediaStream_iface.lpVtbl = &ddraw_IDirectDrawMediaStream_Vtbl;
    object->IMemInputPin_iface.lpVtbl = &ddraw_meminput_vtbl;
    object->IPin_iface.lpVtbl = &ddraw_sink_vtbl;
    object->ref = 1;
 
    object->format.width = 100;
    object->format.height = 100;
 
    InitializeCriticalSection(&object->cs);
    InitializeConditionVariable(&object->update_queued_cv);
    list_init(&object->update_queue);
 
    TRACE("Created ddraw stream %p.\n", object);
 
    *out = &object->IAMMediaStream_iface;
 
    return S_OK;
}

Referenced by multimedia_stream_AddMediaStream().

filter_create()

HRESULT filter_create	(	IUnknown *	outer,
		void **	out
	)

Definition at line 1088 of file filter.c.

{
    struct filter *object;
 
    TRACE("outer %p, out %p.\n", outer, out);
 
    if (outer)
        return CLASS_E_NOAGGREGATION;
 
    if (!(object = calloc(1, sizeof(*object))))
        return E_OUTOFMEMORY;
 
    object->IMediaStreamFilter_iface.lpVtbl = &filter_vtbl;
    object->IMediaSeeking_iface.lpVtbl = &filter_seeking_vtbl;
    object->refcount = 1;
    list_init(&object->free_events);
    list_init(&object->used_events);
    InitializeCriticalSectionEx(&object->cs, 0, RTL_CRITICAL_SECTION_FLAG_FORCE_DEBUG_INFO);
    object->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MediaStreamFilter.cs");
 
    TRACE("Created media stream filter %p.\n", object);
    *out = &object->IMediaStreamFilter_iface;
    return S_OK;
}

multimedia_stream_create()

HRESULT multimedia_stream_create	(	IUnknown *	outer,
		void **	out
	)

Definition at line 557 of file multimedia.c.

{
    struct multimedia_stream *object;
    HRESULT hr;
 
    if (outer)
        return CLASS_E_NOAGGREGATION;
 
    if (!(object = calloc(1, sizeof(*object))))
        return E_OUTOFMEMORY;
 
    object->IAMMultiMediaStream_iface.lpVtbl = &multimedia_stream_vtbl;
    object->ref = 1;
 
    if (FAILED(hr = CoCreateInstance(&CLSID_MediaStreamFilter, NULL,
            CLSCTX_INPROC_SERVER, &IID_IMediaStreamFilter, (void **)&object->filter)))
    {
        ERR("Failed to create stream filter, hr %#lx.\n", hr);
        free(object);
        return hr;
    }
 
    /* The stream takes an additional reference to the filter. */
    IMediaStreamFilter_AddRef(object->filter);
 
    TRACE("Created multimedia stream %p.\n", object);
    *out = &object->IAMMultiMediaStream_iface;
 
    return S_OK;
}