[PATCH 1/4] xaudio2: Implement device activation

Matt Durgavich mattdurgavich at gmail.com
Fri Aug 28 20:51:24 CDT 2015


Looks like it is too late :(

This appears to break the build on OSX. Any idea for when a patch will arrive?

-Matt

> On Aug 24, 2015, at 3:29 PM, Andrew Eikum <aeikum at codeweavers.com> wrote:
> 
> Please don't merge these patches. I got some feedback on IRC and will
> be sending improved versions.
> 
> Andrew
> 
> On Mon, Aug 24, 2015 at 10:31:36AM -0500, Andrew Eikum wrote:
>> This adds a build-time dependency on openal, and a run-time dependency
>> on openal-soft's ALC_SOFT_loopback extension.
>> 
>> ---
>> configure.ac                |   3 +-
>> dlls/xaudio2_7/Makefile.in  |   1 +
>> dlls/xaudio2_7/xaudio_dll.c | 274 +++++++++++++++++++++++++++++++++++++++++++-
>> 3 files changed, 274 insertions(+), 4 deletions(-)
>> 
>> diff --git a/configure.ac b/configure.ac
>> index 004e79d..dea394f 100644
>> --- a/configure.ac
>> +++ b/configure.ac
>> @@ -1738,8 +1738,9 @@ then
>>                       AC_DEFINE_UNQUOTED(HAVE_OPENAL,1,[Define to 1 if OpenAL is available])],,)
>> fi
>> WINE_NOTICE_WITH(openal,[test "x$ac_cv_lib_openal" != xyes],
>> -                 [libopenal ${notice_platform}development files not found (or too old), OpenAL won't be supported.])
>> +                 [libopenal ${notice_platform}development files not found (or too old), OpenAL and XAudio2 won't be supported])
>> test "x$ac_cv_lib_openal" = xyes || enable_openal32=${enable_openal32:-no}
>> +test "x$ac_cv_lib_openal" = xyes || enable_xaudio2_7=${enable_xaudio2_7:-no}
>> 
>> dnl **** Check for libkstat ****
>> if test "$ac_cv_header_kstat_h" = "yes"
>> diff --git a/dlls/xaudio2_7/Makefile.in b/dlls/xaudio2_7/Makefile.in
>> index 6bdf362..5a09c82 100644
>> --- a/dlls/xaudio2_7/Makefile.in
>> +++ b/dlls/xaudio2_7/Makefile.in
>> @@ -1,5 +1,6 @@
>> MODULE    = xaudio2_7.dll
>> IMPORTS   = advapi32 kernel32 ole32 user32 uuid
>> +EXTRALIBS = $(OPENAL_LIBS)
>> 
>> C_SRCS = \
>> 	xaudio_dll.c
>> diff --git a/dlls/xaudio2_7/xaudio_dll.c b/dlls/xaudio2_7/xaudio_dll.c
>> index 6bb48e6..95740fa 100644
>> --- a/dlls/xaudio2_7/xaudio_dll.c
>> +++ b/dlls/xaudio2_7/xaudio_dll.c
>> @@ -41,8 +41,14 @@
>> #include "mmdeviceapi.h"
>> #include "audioclient.h"
>> 
>> +#include <AL/al.h>
>> +#include <AL/alc.h>
>> +#include <AL/alext.h>
>> +
>> WINE_DEFAULT_DEBUG_CHANNEL(xaudio2);
>> 
>> +static ALCdevice *(ALC_APIENTRY *palcLoopbackOpenDeviceSOFT)(const ALCchar*);
>> +
>> static HINSTANCE instance;
>> 
>> static void dump_fmt(const WAVEFORMATEX *fmt)
>> @@ -86,6 +92,13 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD reason, void *pReserved)
>>     case DLL_PROCESS_ATTACH:
>>         instance = hinstDLL;
>>         DisableThreadLibraryCalls( hinstDLL );
>> +
>> +        if(!alcIsExtensionPresent(NULL, "ALC_SOFT_loopback") ||
>> +                !(palcLoopbackOpenDeviceSOFT = alGetProcAddress("alcLoopbackOpenDeviceSOFT"))){
>> +            ERR("XAudio2 requires the ALC_SOFT_loopback extension (OpenAL-Soft >= 1.14)\n");
>> +            return FALSE;
>> +        }
>> +
>>         break;
>>     }
>>     return TRUE;
>> @@ -173,6 +186,14 @@ struct _IXAudio2Impl {
>> 
>>     WCHAR **devids;
>>     UINT32 ndevs;
>> +
>> +    IAudioClient *aclient;
>> +    IAudioRenderClient *render;
>> +
>> +    WAVEFORMATEXTENSIBLE fmt;
>> +
>> +    ALCdevice *al_device;
>> +    ALCcontext *al_ctx;
>> };
>> 
>> static inline IXAudio2Impl *impl_from_IXAudio2(IXAudio2 *iface)
>> @@ -190,6 +211,32 @@ IXAudio2Impl *impl_from_IXAudio2MasteringVoice(IXAudio2MasteringVoice *iface)
>>     return CONTAINING_RECORD(iface, IXAudio2Impl, IXAudio2MasteringVoice_iface);
>> }
>> 
>> +static DWORD get_channel_mask(unsigned int channels)
>> +{
>> +    switch(channels){
>> +    case 0:
>> +        return 0;
>> +    case 1:
>> +        return KSAUDIO_SPEAKER_MONO;
>> +    case 2:
>> +        return KSAUDIO_SPEAKER_STEREO;
>> +    case 3:
>> +        return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
>> +    case 4:
>> +        return KSAUDIO_SPEAKER_QUAD;    /* not _SURROUND */
>> +    case 5:
>> +        return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
>> +    case 6:
>> +        return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
>> +    case 7:
>> +        return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
>> +    case 8:
>> +        return KSAUDIO_SPEAKER_7POINT1_SURROUND; /* Vista deprecates 7POINT1 */
>> +    }
>> +    FIXME("Unknown speaker configuration: %u\n", channels);
>> +    return 0;
>> +}
>> +
>> static void WINAPI XA2SRC_GetVoiceDetails(IXAudio2SourceVoice *iface,
>>         XAUDIO2_VOICE_DETAILS *pVoiceDetails)
>> {
>> @@ -891,7 +938,29 @@ static void WINAPI XA2M_GetOutputMatrix(IXAudio2MasteringVoice *iface,
>> static void WINAPI XA2M_DestroyVoice(IXAudio2MasteringVoice *iface)
>> {
>>     IXAudio2Impl *This = impl_from_IXAudio2MasteringVoice(iface);
>> +
>>     TRACE("%p\n", This);
>> +
>> +    EnterCriticalSection(&This->lock);
>> +
>> +    if(!This->aclient){
>> +        LeaveCriticalSection(&This->lock);
>> +        return;
>> +    }
>> +
>> +    IAudioRenderClient_Release(This->render);
>> +    This->render = NULL;
>> +
>> +    IAudioClient_Release(This->aclient);
>> +    This->aclient = NULL;
>> +
>> +    alcCloseDevice(This->al_device);
>> +    This->al_device = NULL;
>> +
>> +    alcDestroyContext(This->al_ctx);
>> +    This->al_ctx = NULL;
>> +
>> +    LeaveCriticalSection(&This->lock);
>> }
>> 
>> /* not present in XAudio2 2.7 */
>> @@ -1164,6 +1233,8 @@ static ULONG WINAPI IXAudio2Impl_Release(IXAudio2 *iface)
>>             HeapFree(GetProcessHeap(), 0, sub);
>>         }
>> 
>> +        IXAudio2MasteringVoice_DestroyVoice(&This->IXAudio2MasteringVoice_iface);
>> +
>>         if(This->devenum)
>>             IMMDeviceEnumerator_Release(This->devenum);
>>         for(i = 0; i < This->ndevs; ++i)
>> @@ -1322,6 +1393,28 @@ static HRESULT WINAPI IXAudio2Impl_CreateSubmixVoice(IXAudio2 *iface,
>>     return S_OK;
>> }
>> 
>> +static ALenum al_get_loopback_format(const WAVEFORMATEXTENSIBLE *fmt)
>> +{
>> +    if(fmt->Format.wFormatTag == WAVE_FORMAT_PCM ||
>> +            (fmt->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
>> +             IsEqualGUID(&fmt->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
>> +        switch(fmt->Format.wBitsPerSample){
>> +        case 8:
>> +            return AL_UNSIGNED_BYTE_SOFT;
>> +        case 16:
>> +            return AL_SHORT_SOFT;
>> +        case 32:
>> +            return AL_INT_SOFT;
>> +        }
>> +    }else if(fmt->Format.wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
>> +            (fmt->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
>> +             IsEqualGUID(&fmt->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
>> +        if(fmt->Format.wBitsPerSample == 32)
>> +            return AL_FLOAT_SOFT;
>> +    }
>> +    return 0;
>> +}
>> +
>> static HRESULT WINAPI IXAudio2Impl_CreateMasteringVoice(IXAudio2 *iface,
>>         IXAudio2MasteringVoice **ppMasteringVoice, UINT32 inputChannels,
>>         UINT32 inputSampleRate, UINT32 flags, const WCHAR *deviceId,
>> @@ -1329,8 +1422,12 @@ static HRESULT WINAPI IXAudio2Impl_CreateMasteringVoice(IXAudio2 *iface,
>>         AUDIO_STREAM_CATEGORY streamCategory)
>> {
>>     IXAudio2Impl *This = impl_from_IXAudio2(iface);
>> +    IMMDevice *dev;
>> +    HRESULT hr;
>> +    WAVEFORMATEX *fmt;
>> +    ALCint attrs[7];
>> 
>> -    FIXME("(%p)->(%p, %u, %u, 0x%x, %s, %p, 0x%x): stub!\n", This,
>> +    TRACE("(%p)->(%p, %u, %u, 0x%x, %s, %p, 0x%x)\n", This,
>>             ppMasteringVoice, inputChannels, inputSampleRate, flags,
>>             wine_dbgstr_w(deviceId), pEffectChain, streamCategory);
>> 
>> @@ -1340,12 +1437,183 @@ static HRESULT WINAPI IXAudio2Impl_CreateMasteringVoice(IXAudio2 *iface,
>>     if(pEffectChain)
>>         WARN("Effect chain is unimplemented\n");
>> 
>> -    /* TODO: Initialize mmdevice */
>> +    EnterCriticalSection(&This->lock);
>> 
>>     /* there can only be one Mastering Voice, so just build it into XA2 */
>> +    if(This->aclient){
>> +        LeaveCriticalSection(&This->lock);
>> +        return XAUDIO2_E_INVALID_CALL;
>> +    }
>> +
>> +    if(!deviceId){
>> +        if(This->ndevs == 0){
>> +            LeaveCriticalSection(&This->lock);
>> +            return ERROR_NOT_FOUND;
>> +        }
>> +        deviceId = This->devids[0];
>> +    }
>> +
>> +    hr = IMMDeviceEnumerator_GetDevice(This->devenum, deviceId, &dev);
>> +    if(FAILED(hr)){
>> +        WARN("GetDevice failed: %08x\n", hr);
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    hr = IMMDevice_Activate(dev, &IID_IAudioClient,
>> +            CLSCTX_INPROC_SERVER, NULL, (void**)&This->aclient);
>> +    if(FAILED(hr)){
>> +        WARN("Activate(IAudioClient) failed: %08x\n", hr);
>> +        IMMDevice_Release(dev);
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    IMMDevice_Release(dev);
>> +
>> +    hr = IAudioClient_GetMixFormat(This->aclient, &fmt);
>> +    if(FAILED(hr)){
>> +        WARN("GetMixFormat failed: %08x\n", hr);
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    if(sizeof(WAVEFORMATEX) + fmt->cbSize > sizeof(WAVEFORMATEXTENSIBLE)){
>> +        FIXME("Mix format doesn't fit into WAVEFORMATEXTENSIBLE!\n");
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    if(inputChannels == XAUDIO2_DEFAULT_CHANNELS)
>> +        inputChannels = fmt->nChannels;
>> +    if(inputSampleRate == XAUDIO2_DEFAULT_SAMPLERATE)
>> +        inputSampleRate = fmt->nSamplesPerSec;
>> +
>> +    memcpy(&This->fmt, fmt, sizeof(WAVEFORMATEX) + fmt->cbSize);
>> +    This->fmt.Format.nChannels = inputChannels;
>> +    This->fmt.Format.nSamplesPerSec = inputSampleRate;
>> +    This->fmt.Format.nBlockAlign = This->fmt.Format.nChannels * This->fmt.Format.wBitsPerSample / 8;
>> +    This->fmt.Format.nAvgBytesPerSec = This->fmt.Format.nSamplesPerSec * This->fmt.Format.nBlockAlign;
>> +    This->fmt.dwChannelMask = get_channel_mask(This->fmt.Format.nChannels);
>> +
>> +    CoTaskMemFree(fmt);
>> +    fmt = NULL;
>> +
>> +    hr = IAudioClient_IsFormatSupported(This->aclient,
>> +            AUDCLNT_SHAREMODE_SHARED, &This->fmt.Format, &fmt);
>> +    if(hr == S_FALSE){
>> +        if(sizeof(WAVEFORMATEX) + fmt->cbSize > sizeof(WAVEFORMATEXTENSIBLE)){
>> +            FIXME("Mix format doesn't fit into WAVEFORMATEXTENSIBLE!\n");
>> +            hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +            goto exit;
>> +        }
>> +        memcpy(&This->fmt, fmt, sizeof(WAVEFORMATEX) + fmt->cbSize);
>> +    }
>> +
>> +    CoTaskMemFree(fmt);
>> +
>> +    hr = IAudioClient_Initialize(This->aclient, AUDCLNT_SHAREMODE_SHARED,
>> +            AUDCLNT_STREAMFLAGS_EVENTCALLBACK, inputSampleRate /* 1s buffer */,
>> +            0, &This->fmt.Format, NULL);
>> +    if(FAILED(hr)){
>> +        WARN("Initialize failed: %08x\n", hr);
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    hr = IAudioClient_GetService(This->aclient, &IID_IAudioRenderClient,
>> +            (void**)&This->render);
>> +    if(FAILED(hr)){
>> +        WARN("GetService(IAudioRenderClient) failed: %08x\n", hr);
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    /* setup openal context */
>> +    attrs[0] = ALC_FORMAT_CHANNELS_SOFT;
>> +    switch(inputChannels){
>> +    case 1:
>> +        attrs[1] = ALC_MONO_SOFT;
>> +        break;
>> +    case 2:
>> +        attrs[1] = ALC_STEREO_SOFT;
>> +        break;
>> +    case 4:
>> +        attrs[1] = ALC_QUAD_SOFT;
>> +        break;
>> +    case 6:
>> +        attrs[1] = ALC_5POINT1_SOFT;
>> +        break;
>> +    case 7:
>> +        attrs[1] = ALC_6POINT1_SOFT;
>> +        break;
>> +    case 8:
>> +        attrs[1] = ALC_7POINT1_SOFT;
>> +        break;
>> +    default:
>> +        WARN("OpenAL doesn't support %u channels\n", inputChannels);
>> +        LeaveCriticalSection(&This->lock);
>> +        return AUDCLNT_E_UNSUPPORTED_FORMAT;
>> +    }
>> +    attrs[2] = ALC_FREQUENCY;
>> +    attrs[3] = inputSampleRate;
>> +    attrs[4] = ALC_FORMAT_TYPE_SOFT;
>> +    attrs[5] = al_get_loopback_format(&This->fmt);
>> +    attrs[6] = 0;
>> +
>> +    if(!attrs[5]){
>> +        WARN("OpenAL can't output samples in this format\n");
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    This->al_device = palcLoopbackOpenDeviceSOFT(NULL);
>> +    if(!This->al_device){
>> +        WARN("alcLoopbackOpenDeviceSOFT failed\n");
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    This->al_ctx = alcCreateContext(This->al_device, attrs);
>> +    if(!This->al_ctx){
>> +        WARN("alcCreateContext failed\n");
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    if(alcMakeContextCurrent(This->al_ctx) == ALC_FALSE){
>> +        WARN("alcMakeContextCurrent failed\n");
>> +        hr = XAUDIO2_E_DEVICE_INVALIDATED;
>> +        goto exit;
>> +    }
>> +
>> +    IAudioClient_Start(This->aclient);
>> +
>>     *ppMasteringVoice = &This->IXAudio2MasteringVoice_iface;
>> 
>> -    return S_OK;
>> +exit:
>> +    if(FAILED(hr)){
>> +        if(This->render){
>> +            IAudioRenderClient_Release(This->render);
>> +            This->render = NULL;
>> +        }
>> +        if(This->aclient){
>> +            IAudioClient_Release(This->aclient);
>> +            This->aclient = NULL;
>> +        }
>> +        if(This->al_ctx){
>> +            alcDestroyContext(This->al_ctx);
>> +            This->al_ctx = NULL;
>> +        }
>> +        if(This->al_device){
>> +            alcCloseDevice(This->al_device);
>> +            This->al_device = NULL;
>> +        }
>> +    }
>> +
>> +    LeaveCriticalSection(&This->lock);
>> +
>> +    return hr;
>> }
>> 
>> static HRESULT WINAPI IXAudio2Impl_StartEngine(IXAudio2 *iface)
>> -- 
>> 2.5.0
>> 
>> 
>> 
>> 
> 
> 




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