audiodata.c File Reference

#include "wine/debug.h"
#include "winbase.h"
#include "amstream_private.h"

Include dependency graph for audiodata.c:

Go to the source code of this file.

Classes
struct	AMAudioDataImpl

Macros
#define	COBJMACROS

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (amstream)
static AMAudioDataImpl *	impl_from_IAudioData (IAudioData *iface)
static HRESULT WINAPI	IAudioDataImpl_QueryInterface (IAudioData *iface, REFIID riid, void **ret_iface)
static ULONG WINAPI	IAudioDataImpl_AddRef (IAudioData *iface)
static ULONG WINAPI	IAudioDataImpl_Release (IAudioData *iface)
static HRESULT WINAPI	IAudioDataImpl_SetBuffer (IAudioData *iface, DWORD size, BYTE *data, DWORD flags)
static HRESULT WINAPI	IAudioDataImpl_GetInfo (IAudioData *iface, DWORD *length, BYTE **data, DWORD *actual_data)
static HRESULT WINAPI	IAudioDataImpl_SetActual (IAudioData *iface, DWORD data_valid)
static HRESULT WINAPI	IAudioDataImpl_GetFormat (IAudioData *iface, WAVEFORMATEX *wave_format_current)
static HRESULT WINAPI	IAudioDataImpl_SetFormat (IAudioData *iface, const WAVEFORMATEX *wave_format)
HRESULT	AMAudioData_create (IUnknown *pUnkOuter, LPVOID *ppObj)

Variables
static const struct IAudioDataVtbl	AudioData_Vtbl

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 23 of file audiodata.c.

Function Documentation

AMAudioData_create()

HRESULT AMAudioData_create	(	IUnknown *	pUnkOuter,
		LPVOID *	ppObj
	)

Definition at line 222 of file audiodata.c.

{
    AMAudioDataImpl *object;
 
    TRACE("(%p,%p)\n", pUnkOuter, ppObj);
 
    if (pUnkOuter)
        return CLASS_E_NOAGGREGATION;
 
    object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AMAudioDataImpl));
    if (!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;
}

IAudioDataImpl_AddRef()

static ULONG WINAPI IAudioDataImpl_AddRef ( IAudioData *  iface )

static

Definition at line 62 of file audiodata.c.

{
    AMAudioDataImpl *This = impl_from_IAudioData(iface);
    ULONG ref = InterlockedIncrement(&This->ref);
 
    TRACE("(%p)->(): new ref = %u\n", iface, This->ref);
 
    return ref;
}

IAudioDataImpl_GetFormat()

static HRESULT WINAPI IAudioDataImpl_GetFormat ( IAudioData *  iface, WAVEFORMATEX *  wave_format_current  )

static

Definition at line 170 of file audiodata.c.

{
    AMAudioDataImpl *This = impl_from_IAudioData(iface);
 
    TRACE("(%p)->(%p)\n", iface, wave_format_current);
 
    if (!wave_format_current)
    {
        return E_POINTER;
    }
 
    *wave_format_current = This->wave_format;
 
    return S_OK;
}

IAudioDataImpl_GetInfo()

static HRESULT WINAPI IAudioDataImpl_GetInfo ( IAudioData *  iface, DWORD *  length, BYTE **  data, DWORD *  actual_data  )

static

Definition at line 126 of file audiodata.c.

{
    AMAudioDataImpl *This = impl_from_IAudioData(iface);
 
    TRACE("(%p)->(%p,%p,%p)\n", iface, length, data, actual_data);
 
    if (!This->data)
    {
        return MS_E_NOTINIT;
    }
 
    if (length)
    {
        *length = This->size;
    }
    if (data)
    {
        *data = This->data;
    }
    if (actual_data)
    {
        *actual_data = This->actual_data;
    }
 
    return S_OK;
}

IAudioDataImpl_QueryInterface()

static HRESULT WINAPI IAudioDataImpl_QueryInterface ( IAudioData *  iface, REFIID  riid, void **  ret_iface  )

static

Definition at line 46 of file audiodata.c.

{
    TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ret_iface);
 
    if (IsEqualGUID(riid, &IID_IUnknown) ||
        IsEqualGUID(riid, &IID_IAudioData))
    {
        IAudioData_AddRef(iface);
        *ret_iface = iface;
        return S_OK;
    }
 
    ERR("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ret_iface);
    return E_NOINTERFACE;
}

IAudioDataImpl_Release()

static ULONG WINAPI IAudioDataImpl_Release ( IAudioData *  iface )

static

Definition at line 72 of file audiodata.c.

{
    AMAudioDataImpl *This = impl_from_IAudioData(iface);
    ULONG ref = InterlockedDecrement(&This->ref);
 
    TRACE("(%p)->(): new ref = %u\n", iface, This->ref);
 
    if (!ref)
    {
        if (This->data_owned)
        {
            CoTaskMemFree(This->data);
        }
 
        HeapFree(GetProcessHeap(), 0, This);
    }
 
    return ref;
}

IAudioDataImpl_SetActual()

static HRESULT WINAPI IAudioDataImpl_SetActual ( IAudioData *  iface, DWORD  data_valid  )

static

Definition at line 153 of file audiodata.c.

{
    AMAudioDataImpl *This = impl_from_IAudioData(iface);
 
    TRACE("(%p)->(%u)\n", iface, data_valid);
 
    if (data_valid > This->size)
    {
        return E_INVALIDARG;
    }
 
    This->actual_data = data_valid;
 
    return S_OK;
}

IAudioDataImpl_SetBuffer()

static HRESULT WINAPI IAudioDataImpl_SetBuffer ( IAudioData *  iface, DWORD  size, BYTE *  data, DWORD  flags  )

static

Definition at line 93 of file audiodata.c.

{
    AMAudioDataImpl *This = impl_from_IAudioData(iface);
 
    TRACE("(%p)->(%u,%p,%x)\n", iface, size, data, flags);
 
    if (!size)
    {
        return E_INVALIDARG;
    }
 
    if (This->data_owned)
    {
        CoTaskMemFree(This->data);
        This->data_owned = FALSE;
    }
 
    This->size = size;
    This->data = data;
 
    if (!This->data)
    {
        This->data = CoTaskMemAlloc(This->size);
        This->data_owned = TRUE;
        if (!This->data)
        {
            return E_OUTOFMEMORY;
        }
    }
 
    return S_OK;
}

IAudioDataImpl_SetFormat()

static HRESULT WINAPI IAudioDataImpl_SetFormat ( IAudioData *  iface, const WAVEFORMATEX *  wave_format  )

static

Definition at line 186 of file audiodata.c.

{
    AMAudioDataImpl *This = impl_from_IAudioData(iface);
 
    TRACE("(%p)->(%p)\n", iface, wave_format);
 
    if (!wave_format)
    {
        return E_POINTER;
    }
 
    if (WAVE_FORMAT_PCM != wave_format->wFormatTag)
    {
        return E_INVALIDARG;
    }
 
    This->wave_format = *wave_format;
 
    return S_OK;
}

impl_from_IAudioData()

static AMAudioDataImpl * impl_from_IAudioData ( IAudioData *  iface )

inlinestatic

Definition at line 40 of file audiodata.c.

{
    return CONTAINING_RECORD(iface, AMAudioDataImpl, IAudioData_iface);
}

Referenced by IAudioDataImpl_AddRef(), IAudioDataImpl_GetFormat(), IAudioDataImpl_GetInfo(), IAudioDataImpl_Release(), IAudioDataImpl_SetActual(), IAudioDataImpl_SetBuffer(), and IAudioDataImpl_SetFormat().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

amstream

)

Variable Documentation

AudioData_Vtbl

const struct IAudioDataVtbl AudioData_Vtbl

static

Initial value:

=
{
    
    IAudioDataImpl_QueryInterface,
    IAudioDataImpl_AddRef,
    IAudioDataImpl_Release,
    
    IAudioDataImpl_SetBuffer,
    IAudioDataImpl_GetInfo,
    IAudioDataImpl_SetActual,
    
    IAudioDataImpl_GetFormat,
    IAudioDataImpl_SetFormat
}

Definition at line 207 of file audiodata.c.

Referenced by AMAudioData_create().