/* * Copyright 2010 Maarten Lankhorst for CodeWeavers * Copyright 2011 Andrew Eikum for CodeWeavers * Copyright 2022 Huw Davies * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #define NONAMELESSUNION #define COBJMACROS #include "config.h" #include #include #include #include "windef.h" #include "winbase.h" #include "winnls.h" #include "winreg.h" #include "wine/debug.h" #include "wine/unicode.h" #include "wine/list.h" #include "wine/unixlib.h" #include "propsys.h" #include "initguid.h" #include "ole2.h" #include "propkey.h" #include "mmdeviceapi.h" #include "devpkey.h" #include "mmsystem.h" #include "dsound.h" #include "initguid.h" #include "endpointvolume.h" #include "audioclient.h" #include "audiopolicy.h" #include #include "unixlib.h" WINE_DEFAULT_DEBUG_CHANNEL(alsa); unixlib_handle_t alsa_handle = 0; #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER) static const REFERENCE_TIME DefaultPeriod = 100000; static const REFERENCE_TIME MinimumPeriod = 50000; #define EXTRA_SAFE_RT 40000 struct ACImpl; typedef struct ACImpl ACImpl; typedef struct _AudioSession { GUID guid; struct list clients; IMMDevice *device; float master_vol; UINT32 channel_count; float *channel_vols; BOOL mute; struct list entry; } AudioSession; typedef struct _AudioSessionWrapper { IAudioSessionControl2 IAudioSessionControl2_iface; IChannelAudioVolume IChannelAudioVolume_iface; ISimpleAudioVolume ISimpleAudioVolume_iface; LONG ref; ACImpl *client; AudioSession *session; } AudioSessionWrapper; struct ACImpl { IAudioClient3 IAudioClient3_iface; IAudioRenderClient IAudioRenderClient_iface; IAudioCaptureClient IAudioCaptureClient_iface; IAudioClock IAudioClock_iface; IAudioClock2 IAudioClock2_iface; IAudioStreamVolume IAudioStreamVolume_iface; LONG ref; IMMDevice *parent; IUnknown *pUnkFTMarshal; EDataFlow dataflow; float *vols; UINT32 channel_count; struct alsa_stream *stream; HANDLE timer; CRITICAL_SECTION lock; AudioSession *session; AudioSessionWrapper *session_wrapper; struct list entry; /* Keep at end */ char alsa_name[1]; }; typedef struct _SessionMgr { IAudioSessionManager2 IAudioSessionManager2_iface; LONG ref; IMMDevice *device; } SessionMgr; static HANDLE g_timer_q; static CRITICAL_SECTION g_sessions_lock; static CRITICAL_SECTION_DEBUG g_sessions_lock_debug = { 0, 0, &g_sessions_lock, { &g_sessions_lock_debug.ProcessLocksList, &g_sessions_lock_debug.ProcessLocksList }, 0, 0, { (DWORD_PTR)(__FILE__ ": g_sessions_lock") } }; static CRITICAL_SECTION g_sessions_lock = { &g_sessions_lock_debug, -1, 0, 0, 0, 0 }; static struct list g_sessions = LIST_INIT(g_sessions); static const WCHAR drv_key_devicesW[] = {'S','o','f','t','w','a','r','e','\\', 'W','i','n','e','\\','D','r','i','v','e','r','s','\\', 'w','i','n','e','a','l','s','a','.','d','r','v','\\','d','e','v','i','c','e','s',0}; static const WCHAR guidW[] = {'g','u','i','d',0}; static const IAudioClient3Vtbl AudioClient3_Vtbl; static const IAudioRenderClientVtbl AudioRenderClient_Vtbl; static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl; static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl; static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl; static const IAudioClockVtbl AudioClock_Vtbl; static const IAudioClock2Vtbl AudioClock2_Vtbl; static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl; static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl; static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl; static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client); static inline ACImpl *impl_from_IAudioClient3(IAudioClient3 *iface) { return CONTAINING_RECORD(iface, ACImpl, IAudioClient3_iface); } static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface) { return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface); } static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface) { return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface); } static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface) { return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface); } static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface) { return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface); } static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface) { return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface); } static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface) { return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface); } static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface) { return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface); } static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface) { return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface); } static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface) { return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface); } BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved) { switch (reason) { case DLL_PROCESS_ATTACH: if(NtQueryVirtualMemory(GetCurrentProcess(), dll, MemoryWineUnixFuncs, &alsa_handle, sizeof(alsa_handle), NULL)) return FALSE; g_timer_q = CreateTimerQueue(); if(!g_timer_q) return FALSE; break; case DLL_PROCESS_DETACH: if (reserved) break; DeleteCriticalSection(&g_sessions_lock); break; } return TRUE; } /* From */ enum DriverPriority { Priority_Unavailable = 0, Priority_Low, Priority_Neutral, Priority_Preferred }; int WINAPI AUDDRV_GetPriority(void) { return Priority_Neutral; } static void set_device_guid(EDataFlow flow, HKEY drv_key, const WCHAR *key_name, GUID *guid) { HKEY key; BOOL opened = FALSE; LONG lr; if(!drv_key){ lr = RegCreateKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, NULL, 0, KEY_WRITE, NULL, &drv_key, NULL); if(lr != ERROR_SUCCESS){ ERR("RegCreateKeyEx(drv_key) failed: %u\n", lr); return; } opened = TRUE; } lr = RegCreateKeyExW(drv_key, key_name, 0, NULL, 0, KEY_WRITE, NULL, &key, NULL); if(lr != ERROR_SUCCESS){ ERR("RegCreateKeyEx(%s) failed: %u\n", wine_dbgstr_w(key_name), lr); goto exit; } lr = RegSetValueExW(key, guidW, 0, REG_BINARY, (BYTE*)guid, sizeof(GUID)); if(lr != ERROR_SUCCESS) ERR("RegSetValueEx(%s\\guid) failed: %u\n", wine_dbgstr_w(key_name), lr); RegCloseKey(key); exit: if(opened) RegCloseKey(drv_key); } static void get_device_guid(EDataFlow flow, const char *device, GUID *guid) { HKEY key = NULL, dev_key; DWORD type, size = sizeof(*guid); WCHAR key_name[256]; if(flow == eCapture) key_name[0] = '1'; else key_name[0] = '0'; key_name[1] = ','; MultiByteToWideChar(CP_UNIXCP, 0, device, -1, key_name + 2, ARRAY_SIZE(key_name) - 2); if(RegOpenKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, KEY_WRITE|KEY_READ, &key) == ERROR_SUCCESS){ if(RegOpenKeyExW(key, key_name, 0, KEY_READ, &dev_key) == ERROR_SUCCESS){ if(RegQueryValueExW(dev_key, guidW, 0, &type, (BYTE*)guid, &size) == ERROR_SUCCESS){ if(type == REG_BINARY){ RegCloseKey(dev_key); RegCloseKey(key); return; } ERR("Invalid type for device %s GUID: %u; ignoring and overwriting\n", wine_dbgstr_w(key_name), type); } RegCloseKey(dev_key); } } CoCreateGuid(guid); set_device_guid(flow, key, key_name, guid); if(key) RegCloseKey(key); } static snd_pcm_stream_t alsa_get_direction(EDataFlow flow) { return (flow == eRender) ? SND_PCM_STREAM_PLAYBACK : SND_PCM_STREAM_CAPTURE; } HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids_out, GUID **guids_out, UINT *num, UINT *def_index) { struct get_endpoint_ids_params params; unsigned int i; GUID *guids = NULL; WCHAR **ids = NULL; TRACE("%d %p %p %p %p\n", flow, ids, guids, num, def_index); params.flow = flow; params.size = 1000; params.endpoints = NULL; do{ HeapFree(GetProcessHeap(), 0, params.endpoints); params.endpoints = HeapAlloc(GetProcessHeap(), 0, params.size); ALSA_CALL(get_endpoint_ids, ¶ms); }while(params.result == HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER)); if(FAILED(params.result)) goto end; ids = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, params.num * sizeof(*ids)); guids = HeapAlloc(GetProcessHeap(), 0, params.num * sizeof(*guids)); if(!ids || !guids){ params.result = E_OUTOFMEMORY; goto end; } for(i = 0; i < params.num; i++){ unsigned int size = (strlenW(params.endpoints[i].name) + 1) * sizeof(WCHAR); ids[i] = HeapAlloc(GetProcessHeap(), 0, size); if(!ids[i]){ params.result = E_OUTOFMEMORY; goto end; } memcpy(ids[i], params.endpoints[i].name, size); get_device_guid(flow, params.endpoints[i].device, guids + i); } *def_index = params.default_idx; end: HeapFree(GetProcessHeap(), 0, params.endpoints); if(FAILED(params.result)){ HeapFree(GetProcessHeap(), 0, guids); if(ids){ for(i = 0; i < params.num; i++) HeapFree(GetProcessHeap(), 0, ids[i]); HeapFree(GetProcessHeap(), 0, ids); } }else{ *ids_out = ids; *guids_out = guids; *num = params.num; } return params.result; } static BOOL get_alsa_name_by_guid(GUID *guid, char *name, DWORD name_size, EDataFlow *flow) { HKEY devices_key; UINT i = 0; WCHAR key_name[256]; DWORD key_name_size; if(RegOpenKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, KEY_READ, &devices_key) != ERROR_SUCCESS){ ERR("No devices found in registry?\n"); return FALSE; } while(1){ HKEY key; DWORD size, type; GUID reg_guid; key_name_size = ARRAY_SIZE(key_name); if(RegEnumKeyExW(devices_key, i++, key_name, &key_name_size, NULL, NULL, NULL, NULL) != ERROR_SUCCESS) break; if(RegOpenKeyExW(devices_key, key_name, 0, KEY_READ, &key) != ERROR_SUCCESS){ WARN("Couldn't open key: %s\n", wine_dbgstr_w(key_name)); continue; } size = sizeof(reg_guid); if(RegQueryValueExW(key, guidW, 0, &type, (BYTE*)®_guid, &size) == ERROR_SUCCESS){ if(IsEqualGUID(®_guid, guid)){ RegCloseKey(key); RegCloseKey(devices_key); TRACE("Found matching device key: %s\n", wine_dbgstr_w(key_name)); if(key_name[0] == '0') *flow = eRender; else if(key_name[0] == '1') *flow = eCapture; else{ ERR("Unknown device type: %c\n", key_name[0]); return FALSE; } WideCharToMultiByte(CP_UNIXCP, 0, key_name + 2, -1, name, name_size, NULL, NULL); return TRUE; } } RegCloseKey(key); } RegCloseKey(devices_key); WARN("No matching device in registry for GUID %s\n", debugstr_guid(guid)); return FALSE; } static HRESULT alsa_open_device(const char *alsa_name, EDataFlow flow, snd_pcm_t **pcm_handle, snd_pcm_hw_params_t **hw_params) { int err; if(flow != eRender && flow != eCapture) return E_UNEXPECTED; err = snd_pcm_open(pcm_handle, alsa_name, alsa_get_direction(flow), SND_PCM_NONBLOCK); if(err < 0){ WARN("Unable to open PCM \"%s\": %d (%s)\n", alsa_name, err, snd_strerror(err)); switch(err){ case -EBUSY: return AUDCLNT_E_DEVICE_IN_USE; default: return AUDCLNT_E_ENDPOINT_CREATE_FAILED; } } *hw_params = HeapAlloc(GetProcessHeap(), 0, snd_pcm_hw_params_sizeof()); if(!*hw_params){ snd_pcm_close(*pcm_handle); return E_OUTOFMEMORY; } return S_OK; } HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev, IAudioClient **out) { ACImpl *This; char alsa_name[256]; EDataFlow dataflow; HRESULT hr; int len; TRACE("%s %p %p\n", debugstr_guid(guid), dev, out); if(!get_alsa_name_by_guid(guid, alsa_name, sizeof(alsa_name), &dataflow)) return AUDCLNT_E_DEVICE_INVALIDATED; if(dataflow != eRender && dataflow != eCapture) return E_UNEXPECTED; len = strlen(alsa_name); This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, offsetof(ACImpl, alsa_name[len + 1])); if(!This) return E_OUTOFMEMORY; This->IAudioClient3_iface.lpVtbl = &AudioClient3_Vtbl; This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl; This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl; This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl; This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl; This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl; hr = CoCreateFreeThreadedMarshaler((IUnknown *)&This->IAudioClient3_iface, &This->pUnkFTMarshal); if (FAILED(hr)) { HeapFree(GetProcessHeap(), 0, This); return hr; } This->dataflow = dataflow; memcpy(This->alsa_name, alsa_name, len + 1); InitializeCriticalSection(&This->lock); This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ACImpl.lock"); This->parent = dev; IMMDevice_AddRef(This->parent); *out = (IAudioClient *)&This->IAudioClient3_iface; IAudioClient3_AddRef(&This->IAudioClient3_iface); return S_OK; } static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient3 *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioClient3(iface); TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient) || IsEqualIID(riid, &IID_IAudioClient2) || IsEqualIID(riid, &IID_IAudioClient3)) *ppv = iface; else if(IsEqualIID(riid, &IID_IMarshal)) return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv); if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI AudioClient_AddRef(IAudioClient3 *iface) { ACImpl *This = impl_from_IAudioClient3(iface); ULONG ref; ref = InterlockedIncrement(&This->ref); TRACE("(%p) Refcount now %u\n", This, ref); return ref; } static ULONG WINAPI AudioClient_Release(IAudioClient3 *iface) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; ULONG ref; ref = InterlockedDecrement(&This->ref); TRACE("(%p) Refcount now %u\n", This, ref); if(!ref){ if(This->timer){ HANDLE event; DWORD wait; event = CreateEventW(NULL, TRUE, FALSE, NULL); wait = !DeleteTimerQueueTimer(g_timer_q, This->timer, event); wait = wait && GetLastError() == ERROR_IO_PENDING; if(event && wait) WaitForSingleObject(event, INFINITE); CloseHandle(event); } IAudioClient3_Stop(iface); IMMDevice_Release(This->parent); IUnknown_Release(This->pUnkFTMarshal); This->lock.DebugInfo->Spare[0] = 0; DeleteCriticalSection(&This->lock); if(This->session){ EnterCriticalSection(&g_sessions_lock); list_remove(&This->entry); LeaveCriticalSection(&g_sessions_lock); } HeapFree(GetProcessHeap(), 0, This->vols); if (stream){ snd_pcm_drop(stream->pcm_handle); snd_pcm_close(stream->pcm_handle); HeapFree(GetProcessHeap(), 0, stream->local_buffer); HeapFree(GetProcessHeap(), 0, stream->remapping_buf); HeapFree(GetProcessHeap(), 0, stream->silence_buf); HeapFree(GetProcessHeap(), 0, stream->tmp_buffer); HeapFree(GetProcessHeap(), 0, stream->hw_params); CoTaskMemFree(stream->fmt); HeapFree(GetProcessHeap(), 0, stream); } HeapFree(GetProcessHeap(), 0, This); } return ref; } static void dump_fmt(const WAVEFORMATEX *fmt) { TRACE("wFormatTag: 0x%x (", fmt->wFormatTag); switch(fmt->wFormatTag){ case WAVE_FORMAT_PCM: TRACE("WAVE_FORMAT_PCM"); break; case WAVE_FORMAT_IEEE_FLOAT: TRACE("WAVE_FORMAT_IEEE_FLOAT"); break; case WAVE_FORMAT_EXTENSIBLE: TRACE("WAVE_FORMAT_EXTENSIBLE"); break; default: TRACE("Unknown"); break; } TRACE(")\n"); TRACE("nChannels: %u\n", fmt->nChannels); TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec); TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec); TRACE("nBlockAlign: %u\n", fmt->nBlockAlign); TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample); TRACE("cbSize: %u\n", fmt->cbSize); if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){ WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt; TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask); TRACE("Samples: %04x\n", fmtex->Samples.wReserved); TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat)); } } static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt) { WAVEFORMATEX *ret; size_t size; if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) size = sizeof(WAVEFORMATEXTENSIBLE); else size = sizeof(WAVEFORMATEX); ret = CoTaskMemAlloc(size); if(!ret) return NULL; memcpy(ret, fmt, size); ret->cbSize = size - sizeof(WAVEFORMATEX); return ret; } static snd_pcm_format_t alsa_format(const WAVEFORMATEX *fmt) { snd_pcm_format_t format = SND_PCM_FORMAT_UNKNOWN; const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt; if(fmt->wFormatTag == WAVE_FORMAT_PCM || (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){ if(fmt->wBitsPerSample == 8) format = SND_PCM_FORMAT_U8; else if(fmt->wBitsPerSample == 16) format = SND_PCM_FORMAT_S16_LE; else if(fmt->wBitsPerSample == 24) format = SND_PCM_FORMAT_S24_3LE; else if(fmt->wBitsPerSample == 32) format = SND_PCM_FORMAT_S32_LE; else WARN("Unsupported bit depth: %u\n", fmt->wBitsPerSample); if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && fmt->wBitsPerSample != fmtex->Samples.wValidBitsPerSample){ if(fmtex->Samples.wValidBitsPerSample == 20 && fmt->wBitsPerSample == 24) format = SND_PCM_FORMAT_S20_3LE; else WARN("Unsupported ValidBits: %u\n", fmtex->Samples.wValidBitsPerSample); } }else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT || (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){ if(fmt->wBitsPerSample == 32) format = SND_PCM_FORMAT_FLOAT_LE; else if(fmt->wBitsPerSample == 64) format = SND_PCM_FORMAT_FLOAT64_LE; else WARN("Unsupported float size: %u\n", fmt->wBitsPerSample); }else WARN("Unknown wave format: %04x\n", fmt->wFormatTag); return format; } static void session_init_vols(AudioSession *session, UINT channels) { if(session->channel_count < channels){ UINT i; if(session->channel_vols) session->channel_vols = HeapReAlloc(GetProcessHeap(), 0, session->channel_vols, sizeof(float) * channels); else session->channel_vols = HeapAlloc(GetProcessHeap(), 0, sizeof(float) * channels); if(!session->channel_vols) return; for(i = session->channel_count; i < channels; ++i) session->channel_vols[i] = 1.f; session->channel_count = channels; } } static AudioSession *create_session(const GUID *guid, IMMDevice *device, UINT num_channels) { AudioSession *ret; ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession)); if(!ret) return NULL; memcpy(&ret->guid, guid, sizeof(GUID)); ret->device = device; list_init(&ret->clients); list_add_head(&g_sessions, &ret->entry); session_init_vols(ret, num_channels); ret->master_vol = 1.f; return ret; } /* if channels == 0, then this will return or create a session with * matching dataflow and GUID. otherwise, channels must also match */ static HRESULT get_audio_session(const GUID *sessionguid, IMMDevice *device, UINT channels, AudioSession **out) { AudioSession *session; if(!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)){ *out = create_session(&GUID_NULL, device, channels); if(!*out) return E_OUTOFMEMORY; return S_OK; } *out = NULL; LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry){ if(session->device == device && IsEqualGUID(sessionguid, &session->guid)){ session_init_vols(session, channels); *out = session; break; } } if(!*out){ *out = create_session(sessionguid, device, channels); if(!*out) return E_OUTOFMEMORY; } return S_OK; } static int alsa_channel_index(DWORD flag) { switch(flag){ case SPEAKER_FRONT_LEFT: return 0; case SPEAKER_FRONT_RIGHT: return 1; case SPEAKER_BACK_LEFT: return 2; case SPEAKER_BACK_RIGHT: return 3; case SPEAKER_FRONT_CENTER: return 4; case SPEAKER_LOW_FREQUENCY: return 5; case SPEAKER_SIDE_LEFT: return 6; case SPEAKER_SIDE_RIGHT: return 7; } return -1; } static BOOL need_remapping(ACImpl *This, const WAVEFORMATEX *fmt, int *map) { unsigned int i; for(i = 0; i < fmt->nChannels; ++i){ if(map[i] != i) return TRUE; } return FALSE; } 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 HRESULT map_channels(ACImpl *This, const WAVEFORMATEX *fmt, int *alsa_channels, int *map) { BOOL need_remap; if(This->dataflow != eCapture && (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE || fmt->nChannels > 2) ){ WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt; DWORD mask, flag = SPEAKER_FRONT_LEFT; UINT i = 0; if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && fmtex->dwChannelMask != 0) mask = fmtex->dwChannelMask; else mask = get_channel_mask(fmt->nChannels); *alsa_channels = 0; while(i < fmt->nChannels && !(flag & SPEAKER_RESERVED)){ if(mask & flag){ map[i] = alsa_channel_index(flag); TRACE("Mapping mmdevapi channel %u (0x%x) to ALSA channel %d\n", i, flag, map[i]); if(map[i] >= *alsa_channels) *alsa_channels = map[i] + 1; ++i; } flag <<= 1; } while(i < fmt->nChannels){ map[i] = *alsa_channels; TRACE("Mapping mmdevapi channel %u to ALSA channel %d\n", i, map[i]); ++*alsa_channels; ++i; } for(i = 0; i < fmt->nChannels; ++i){ if(map[i] == -1){ map[i] = *alsa_channels; ++*alsa_channels; TRACE("Remapping mmdevapi channel %u to ALSA channel %d\n", i, map[i]); } } need_remap = need_remapping(This, fmt, map); }else{ *alsa_channels = fmt->nChannels; need_remap = FALSE; } TRACE("need_remapping: %u, alsa_channels: %d\n", need_remap, *alsa_channels); return need_remap ? S_OK : S_FALSE; } static void silence_buffer(struct alsa_stream *stream, BYTE *buffer, UINT32 frames) { WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)stream->fmt; if((stream->fmt->wFormatTag == WAVE_FORMAT_PCM || (stream->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) && stream->fmt->wBitsPerSample == 8) memset(buffer, 128, frames * stream->fmt->nBlockAlign); else memset(buffer, 0, frames * stream->fmt->nBlockAlign); } static HRESULT WINAPI AudioClient_Initialize(IAudioClient3 *iface, AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration, REFERENCE_TIME period, const WAVEFORMATEX *fmt, const GUID *sessionguid) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream; snd_pcm_sw_params_t *sw_params = NULL; snd_pcm_format_t format; unsigned int rate, alsa_period_us; int err, i; HRESULT hr = S_OK; TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags, wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid)); if(!fmt) return E_POINTER; if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE) return E_INVALIDARG; if(flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS | AUDCLNT_STREAMFLAGS_LOOPBACK | AUDCLNT_STREAMFLAGS_EVENTCALLBACK | AUDCLNT_STREAMFLAGS_NOPERSIST | AUDCLNT_STREAMFLAGS_RATEADJUST | AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED | AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE | AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY | AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM)){ FIXME("Unknown flags: %08x\n", flags); return E_INVALIDARG; } if(mode == AUDCLNT_SHAREMODE_SHARED){ period = DefaultPeriod; if( duration < 3 * period) duration = 3 * period; }else{ if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){ if(((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask == 0 || ((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask & SPEAKER_RESERVED) return AUDCLNT_E_UNSUPPORTED_FORMAT; } if(!period) period = DefaultPeriod; /* not minimum */ if(period < MinimumPeriod || period > 5000000) return AUDCLNT_E_INVALID_DEVICE_PERIOD; if(duration > 20000000) /* the smaller the period, the lower this limit */ return AUDCLNT_E_BUFFER_SIZE_ERROR; if(flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK){ if(duration != period) return AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL; FIXME("EXCLUSIVE mode with EVENTCALLBACK\n"); return AUDCLNT_E_DEVICE_IN_USE; }else{ if( duration < 8 * period) duration = 8 * period; /* may grow above 2s */ } } EnterCriticalSection(&g_sessions_lock); EnterCriticalSection(&This->lock); if(This->stream){ LeaveCriticalSection(&This->lock); LeaveCriticalSection(&g_sessions_lock); return AUDCLNT_E_ALREADY_INITIALIZED; } dump_fmt(fmt); stream = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This->stream)); if(!stream){ LeaveCriticalSection(&This->lock); LeaveCriticalSection(&g_sessions_lock); return E_OUTOFMEMORY; } hr = alsa_open_device(This->alsa_name, This->dataflow, &stream->pcm_handle, &stream->hw_params); if(FAILED(hr)){ LeaveCriticalSection(&This->lock); LeaveCriticalSection(&g_sessions_lock); return hr; } stream->need_remapping = map_channels(This, fmt, &stream->alsa_channels, stream->alsa_channel_map) == S_OK; if((err = snd_pcm_hw_params_any(stream->pcm_handle, stream->hw_params)) < 0){ WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_hw_params_set_access(stream->pcm_handle, stream->hw_params, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0){ WARN("Unable to set access: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } format = alsa_format(fmt); if (format == SND_PCM_FORMAT_UNKNOWN){ hr = AUDCLNT_E_UNSUPPORTED_FORMAT; goto exit; } if((err = snd_pcm_hw_params_set_format(stream->pcm_handle, stream->hw_params, format)) < 0){ WARN("Unable to set ALSA format to %u: %d (%s)\n", format, err, snd_strerror(err)); hr = AUDCLNT_E_UNSUPPORTED_FORMAT; goto exit; } stream->alsa_format = format; rate = fmt->nSamplesPerSec; if((err = snd_pcm_hw_params_set_rate_near(stream->pcm_handle, stream->hw_params, &rate, NULL)) < 0){ WARN("Unable to set rate to %u: %d (%s)\n", rate, err, snd_strerror(err)); hr = AUDCLNT_E_UNSUPPORTED_FORMAT; goto exit; } if((err = snd_pcm_hw_params_set_channels(stream->pcm_handle, stream->hw_params, stream->alsa_channels)) < 0){ WARN("Unable to set channels to %u: %d (%s)\n", fmt->nChannels, err, snd_strerror(err)); hr = AUDCLNT_E_UNSUPPORTED_FORMAT; goto exit; } stream->mmdev_period_rt = period; alsa_period_us = stream->mmdev_period_rt / 10; if((err = snd_pcm_hw_params_set_period_time_near(stream->pcm_handle, stream->hw_params, &alsa_period_us, NULL)) < 0) WARN("Unable to set period time near %u: %d (%s)\n", alsa_period_us, err, snd_strerror(err)); /* ALSA updates the output variable alsa_period_us */ stream->mmdev_period_frames = MulDiv(fmt->nSamplesPerSec, stream->mmdev_period_rt, 10000000); /* Buffer 4 ALSA periods if large enough, else 4 mmdevapi periods */ stream->alsa_bufsize_frames = stream->mmdev_period_frames * 4; if(err < 0 || alsa_period_us < period / 10) err = snd_pcm_hw_params_set_buffer_size_near(stream->pcm_handle, stream->hw_params, &stream->alsa_bufsize_frames); else{ unsigned int periods = 4; err = snd_pcm_hw_params_set_periods_near(stream->pcm_handle, stream->hw_params, &periods, NULL); } if(err < 0) WARN("Unable to set buffer size: %d (%s)\n", err, snd_strerror(err)); if((err = snd_pcm_hw_params(stream->pcm_handle, stream->hw_params)) < 0){ WARN("Unable to set hw params: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_hw_params_get_period_size(stream->hw_params, &stream->alsa_period_frames, NULL)) < 0){ WARN("Unable to get period size: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_hw_params_get_buffer_size(stream->hw_params, &stream->alsa_bufsize_frames)) < 0){ WARN("Unable to get buffer size: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } sw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_sw_params_sizeof()); if(!sw_params){ hr = E_OUTOFMEMORY; goto exit; } if((err = snd_pcm_sw_params_current(stream->pcm_handle, sw_params)) < 0){ WARN("Unable to get sw_params: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_sw_params_set_start_threshold(stream->pcm_handle, sw_params, 1)) < 0){ WARN("Unable set start threshold to 1: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_sw_params_set_stop_threshold(stream->pcm_handle, sw_params, stream->alsa_bufsize_frames)) < 0){ WARN("Unable set stop threshold to %lu: %d (%s)\n", stream->alsa_bufsize_frames, err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_sw_params(stream->pcm_handle, sw_params)) < 0){ WARN("Unable to set sw params: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_prepare(stream->pcm_handle)) < 0){ WARN("Unable to prepare device: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } /* Bear in mind weird situations where * ALSA period (50ms) > mmdevapi buffer (3x10ms) * or surprising rounding as seen with 22050x8x1 with Pulse: * ALSA period 220 vs. 221 frames in mmdevapi and * buffer 883 vs. 2205 frames in mmdevapi! */ stream->bufsize_frames = MulDiv(duration, fmt->nSamplesPerSec, 10000000); if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE) stream->bufsize_frames -= stream->bufsize_frames % stream->mmdev_period_frames; stream->hidden_frames = stream->alsa_period_frames + stream->mmdev_period_frames + MulDiv(fmt->nSamplesPerSec, EXTRA_SAFE_RT, 10000000); /* leave no less than about 1.33ms or 256 bytes of data after a rewind */ stream->safe_rewind_frames = max(256 / fmt->nBlockAlign, MulDiv(133, fmt->nSamplesPerSec, 100000)); /* Check if the ALSA buffer is so small that it will run out before * the next MMDevAPI period tick occurs. Allow a little wiggle room * with 120% of the period time. */ if(stream->alsa_bufsize_frames < 1.2 * stream->mmdev_period_frames) FIXME("ALSA buffer time is too small. Expect underruns. (%lu < %u * 1.2)\n", stream->alsa_bufsize_frames, stream->mmdev_period_frames); stream->fmt = clone_format(fmt); if(!stream->fmt){ hr = E_OUTOFMEMORY; goto exit; } stream->local_buffer = HeapAlloc(GetProcessHeap(), 0, stream->bufsize_frames * fmt->nBlockAlign); if(!stream->local_buffer){ hr = E_OUTOFMEMORY; goto exit; } silence_buffer(stream, stream->local_buffer, stream->bufsize_frames); stream->silence_buf = HeapAlloc(GetProcessHeap(), 0, stream->alsa_period_frames * stream->fmt->nBlockAlign); if(!stream->silence_buf){ hr = E_OUTOFMEMORY; goto exit; } silence_buffer(stream, stream->silence_buf, stream->alsa_period_frames); This->channel_count = fmt->nChannels; This->vols = HeapAlloc(GetProcessHeap(), 0, This->channel_count * sizeof(float)); if(!This->vols){ hr = E_OUTOFMEMORY; goto exit; } for(i = 0; i < This->channel_count; ++i) This->vols[i] = 1.f; stream->share = mode; stream->flags = flags; hr = get_audio_session(sessionguid, This->parent, This->channel_count, &This->session); if(FAILED(hr)) goto exit; list_add_tail(&This->session->clients, &This->entry); TRACE("ALSA period: %lu frames\n", stream->alsa_period_frames); TRACE("ALSA buffer: %lu frames\n", stream->alsa_bufsize_frames); TRACE("MMDevice period: %u frames\n", stream->mmdev_period_frames); TRACE("MMDevice buffer: %u frames\n", stream->bufsize_frames); exit: HeapFree(GetProcessHeap(), 0, sw_params); if(FAILED(hr)){ snd_pcm_close(stream->pcm_handle); HeapFree(GetProcessHeap(), 0, stream->local_buffer); stream->local_buffer = NULL; CoTaskMemFree(stream->fmt); stream->fmt = NULL; HeapFree(GetProcessHeap(), 0, stream); HeapFree(GetProcessHeap(), 0, This->vols); This->vols = NULL; }else{ This->stream = stream; } LeaveCriticalSection(&This->lock); LeaveCriticalSection(&g_sessions_lock); return hr; } static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient3 *iface, UINT32 *out) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%p)\n", This, out); if(!out) return E_POINTER; EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } *out = stream->bufsize_frames; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient3 *iface, REFERENCE_TIME *latency) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%p)\n", This, latency); if(!latency) return E_POINTER; EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } /* Hide some frames in the ALSA buffer. Allows us to return GetCurrentPadding=0 * yet have enough data left to play (as if it were in native's mixer). Add: * + mmdevapi_period such that at the end of it, ALSA still has data; * + EXTRA_SAFE (~4ms) to allow for late callback invocation / fluctuation; * + alsa_period such that ALSA always has at least one period to play. */ if(This->dataflow == eRender) *latency = MulDiv(stream->hidden_frames, 10000000, stream->fmt->nSamplesPerSec); else *latency = MulDiv(stream->alsa_period_frames, 10000000, stream->fmt->nSamplesPerSec) + stream->mmdev_period_rt; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient3 *iface, UINT32 *out) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%p)\n", This, out); if(!out) return E_POINTER; EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } /* padding is solely updated at callback time in shared mode */ *out = stream->held_frames; LeaveCriticalSection(&This->lock); TRACE("pad: %u\n", *out); return S_OK; } static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient3 *iface, AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt, WAVEFORMATEX **out) { ACImpl *This = impl_from_IAudioClient3(iface); struct is_format_supported_params params; TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out); if(fmt) dump_fmt(fmt); params.alsa_name = This->alsa_name; params.flow = This->dataflow; params.share = mode; params.fmt_in = fmt; params.fmt_out = NULL; if(out){ *out = NULL; if(mode == AUDCLNT_SHAREMODE_SHARED) params.fmt_out = CoTaskMemAlloc(sizeof(*params.fmt_out)); } ALSA_CALL(is_format_supported, ¶ms); if(params.result == S_FALSE) *out = ¶ms.fmt_out->Format; else CoTaskMemFree(params.fmt_out); return params.result; } static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient3 *iface, WAVEFORMATEX **pwfx) { ACImpl *This = impl_from_IAudioClient3(iface); struct get_mix_format_params params; TRACE("(%p)->(%p)\n", This, pwfx); if(!pwfx) return E_POINTER; *pwfx = NULL; params.alsa_name = This->alsa_name; params.flow = This->dataflow; params.fmt = CoTaskMemAlloc(sizeof(WAVEFORMATEXTENSIBLE)); if(!params.fmt) return E_OUTOFMEMORY; ALSA_CALL(get_mix_format, ¶ms); if(SUCCEEDED(params.result)){ *pwfx = ¶ms.fmt->Format; dump_fmt(*pwfx); } else CoTaskMemFree(params.fmt); return params.result; } static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient3 *iface, REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod) { ACImpl *This = impl_from_IAudioClient3(iface); TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod); if(!defperiod && !minperiod) return E_POINTER; if(defperiod) *defperiod = DefaultPeriod; if(minperiod) *minperiod = DefaultPeriod; return S_OK; } static BYTE *remap_channels(struct alsa_stream *stream, BYTE *buf, snd_pcm_uframes_t frames) { snd_pcm_uframes_t i; UINT c; UINT bytes_per_sample = stream->fmt->wBitsPerSample / 8; if(!stream->need_remapping) return buf; if(!stream->remapping_buf){ stream->remapping_buf = HeapAlloc(GetProcessHeap(), 0, bytes_per_sample * stream->alsa_channels * frames); stream->remapping_buf_frames = frames; }else if(stream->remapping_buf_frames < frames){ stream->remapping_buf = HeapReAlloc(GetProcessHeap(), 0, stream->remapping_buf, bytes_per_sample * stream->alsa_channels * frames); stream->remapping_buf_frames = frames; } snd_pcm_format_set_silence(stream->alsa_format, stream->remapping_buf, frames * stream->alsa_channels); switch(stream->fmt->wBitsPerSample){ case 8: { UINT8 *tgt_buf, *src_buf; tgt_buf = stream->remapping_buf; src_buf = buf; for(i = 0; i < frames; ++i){ for(c = 0; c < stream->fmt->nChannels; ++c) tgt_buf[stream->alsa_channel_map[c]] = src_buf[c]; tgt_buf += stream->alsa_channels; src_buf += stream->fmt->nChannels; } break; } case 16: { UINT16 *tgt_buf, *src_buf; tgt_buf = (UINT16*)stream->remapping_buf; src_buf = (UINT16*)buf; for(i = 0; i < frames; ++i){ for(c = 0; c < stream->fmt->nChannels; ++c) tgt_buf[stream->alsa_channel_map[c]] = src_buf[c]; tgt_buf += stream->alsa_channels; src_buf += stream->fmt->nChannels; } } break; case 32: { UINT32 *tgt_buf, *src_buf; tgt_buf = (UINT32*)stream->remapping_buf; src_buf = (UINT32*)buf; for(i = 0; i < frames; ++i){ for(c = 0; c < stream->fmt->nChannels; ++c) tgt_buf[stream->alsa_channel_map[c]] = src_buf[c]; tgt_buf += stream->alsa_channels; src_buf += stream->fmt->nChannels; } } break; default: { BYTE *tgt_buf, *src_buf; tgt_buf = stream->remapping_buf; src_buf = buf; for(i = 0; i < frames; ++i){ for(c = 0; c < stream->fmt->nChannels; ++c) memcpy(&tgt_buf[stream->alsa_channel_map[c] * bytes_per_sample], &src_buf[c * bytes_per_sample], bytes_per_sample); tgt_buf += stream->alsa_channels * bytes_per_sample; src_buf += stream->fmt->nChannels * bytes_per_sample; } } break; } return stream->remapping_buf; } static void adjust_buffer_volume(const ACImpl *This, BYTE *buf, snd_pcm_uframes_t frames, BOOL mute) { struct alsa_stream *stream = This->stream; float vol[ARRAY_SIZE(stream->alsa_channel_map)]; BOOL adjust = FALSE; UINT32 i, channels; BYTE *end; if (stream->vol_adjusted_frames >= frames) return; channels = stream->fmt->nChannels; if (mute) { int err = snd_pcm_format_set_silence(stream->alsa_format, buf, frames * channels); if (err < 0) WARN("Setting buffer to silence failed: %d (%s)\n", err, snd_strerror(err)); return; } /* Adjust the buffer based on the volume for each channel */ for (i = 0; i < channels; i++) vol[i] = This->vols[i] * This->session->master_vol; for (i = 0; i < min(channels, This->session->channel_count); i++) { vol[i] *= This->session->channel_vols[i]; adjust |= vol[i] != 1.0f; } while (i < channels) adjust |= vol[i++] != 1.0f; if (!adjust) return; /* Skip the frames we've already adjusted before */ end = buf + frames * stream->fmt->nBlockAlign; buf += stream->vol_adjusted_frames * stream->fmt->nBlockAlign; switch (stream->alsa_format) { #ifndef WORDS_BIGENDIAN #define PROCESS_BUFFER(type) do \ { \ type *p = (type*)buf; \ do \ { \ for (i = 0; i < channels; i++) \ p[i] = p[i] * vol[i]; \ p += i; \ } while ((BYTE*)p != end); \ } while (0) case SND_PCM_FORMAT_S16_LE: PROCESS_BUFFER(INT16); break; case SND_PCM_FORMAT_S32_LE: PROCESS_BUFFER(INT32); break; case SND_PCM_FORMAT_FLOAT_LE: PROCESS_BUFFER(float); break; case SND_PCM_FORMAT_FLOAT64_LE: PROCESS_BUFFER(double); break; #undef PROCESS_BUFFER case SND_PCM_FORMAT_S20_3LE: case SND_PCM_FORMAT_S24_3LE: { /* Do it 12 bytes at a time until it is no longer possible */ UINT32 *q = (UINT32*)buf, mask = ~0xff; BYTE *p; /* After we adjust the volume, we need to mask out low bits */ if (stream->alsa_format == SND_PCM_FORMAT_S20_3LE) mask = ~0x0fff; i = 0; while (end - (BYTE*)q >= 12) { UINT32 v[4], k; v[0] = q[0] << 8; v[1] = q[1] << 16 | (q[0] >> 16 & ~0xff); v[2] = q[2] << 24 | (q[1] >> 8 & ~0xff); v[3] = q[2] & ~0xff; for (k = 0; k < 4; k++) { v[k] = (INT32)((INT32)v[k] * vol[i]); v[k] &= mask; if (++i == channels) i = 0; } *q++ = v[0] >> 8 | v[1] << 16; *q++ = v[1] >> 16 | v[2] << 8; *q++ = v[2] >> 24 | v[3]; } p = (BYTE*)q; while (p != end) { UINT32 v = (INT32)((INT32)(p[0] << 8 | p[1] << 16 | p[2] << 24) * vol[i]); v &= mask; *p++ = v >> 8 & 0xff; *p++ = v >> 16 & 0xff; *p++ = v >> 24; if (++i == channels) i = 0; } break; } #endif case SND_PCM_FORMAT_U8: { UINT8 *p = (UINT8*)buf; do { for (i = 0; i < channels; i++) p[i] = (int)((p[i] - 128) * vol[i]) + 128; p += i; } while ((BYTE*)p != end); break; } default: TRACE("Unhandled format %i, not adjusting volume.\n", stream->alsa_format); break; } } static snd_pcm_sframes_t alsa_write_best_effort(ACImpl *This, BYTE *buf, snd_pcm_uframes_t frames, BOOL mute) { struct alsa_stream *stream = This->stream; snd_pcm_sframes_t written; adjust_buffer_volume(This, buf, frames, mute); /* Mark the frames we've already adjusted */ if (stream->vol_adjusted_frames < frames) stream->vol_adjusted_frames = frames; buf = remap_channels(stream, buf, frames); written = snd_pcm_writei(stream->pcm_handle, buf, frames); if(written < 0){ int ret; if(written == -EAGAIN) /* buffer full */ return 0; WARN("writei failed, recovering: %ld (%s)\n", written, snd_strerror(written)); ret = snd_pcm_recover(stream->pcm_handle, written, 0); if(ret < 0){ WARN("Could not recover: %d (%s)\n", ret, snd_strerror(ret)); return ret; } written = snd_pcm_writei(stream->pcm_handle, buf, frames); } if (written > 0) stream->vol_adjusted_frames -= written; return written; } static snd_pcm_sframes_t alsa_write_buffer_wrap(ACImpl *This, BYTE *buf, snd_pcm_uframes_t buflen, snd_pcm_uframes_t offs, snd_pcm_uframes_t to_write) { struct alsa_stream *stream = This->stream; snd_pcm_sframes_t ret = 0; while(to_write){ snd_pcm_uframes_t chunk; snd_pcm_sframes_t tmp; if(offs + to_write > buflen) chunk = buflen - offs; else chunk = to_write; tmp = alsa_write_best_effort(This, buf + offs * stream->fmt->nBlockAlign, chunk, This->session->mute); if(tmp < 0) return ret; if(!tmp) break; ret += tmp; to_write -= tmp; offs += tmp; offs %= buflen; } return ret; } static UINT buf_ptr_diff(UINT left, UINT right, UINT bufsize) { if(left <= right) return right - left; return bufsize - (left - right); } static UINT data_not_in_alsa(ACImpl *This) { struct alsa_stream *stream = This->stream; UINT32 diff; diff = buf_ptr_diff(stream->lcl_offs_frames, stream->wri_offs_frames, stream->bufsize_frames); if(diff) return diff; return stream->held_frames - stream->data_in_alsa_frames; } /* Here's the buffer setup: * * vvvvvvvv sent to HW already * vvvvvvvv in ALSA buffer but rewindable * [dddddddddddddddd] ALSA buffer * [dddddddddddddddd--------] mmdevapi buffer * ^^^^^^^^ data_in_alsa_frames * ^^^^^^^^^^^^^^^^ held_frames * ^ lcl_offs_frames * ^ wri_offs_frames * * GetCurrentPadding is held_frames * * During period callback, we decrement held_frames, fill ALSA buffer, and move * lcl_offs forward * * During Stop, we rewind the ALSA buffer */ static void alsa_write_data(ACImpl *This) { struct alsa_stream *stream = This->stream; snd_pcm_sframes_t written; snd_pcm_uframes_t avail, max_copy_frames, data_frames_played; int err; /* this call seems to be required to get an accurate snd_pcm_state() */ avail = snd_pcm_avail_update(stream->pcm_handle); if(snd_pcm_state(stream->pcm_handle) == SND_PCM_STATE_XRUN){ TRACE("XRun state, recovering\n"); avail = stream->alsa_bufsize_frames; if((err = snd_pcm_recover(stream->pcm_handle, -EPIPE, 1)) < 0) WARN("snd_pcm_recover failed: %d (%s)\n", err, snd_strerror(err)); if((err = snd_pcm_reset(stream->pcm_handle)) < 0) WARN("snd_pcm_reset failed: %d (%s)\n", err, snd_strerror(err)); if((err = snd_pcm_prepare(stream->pcm_handle)) < 0) WARN("snd_pcm_prepare failed: %d (%s)\n", err, snd_strerror(err)); } TRACE("avail: %ld\n", avail); /* Add a lead-in when starting with too few frames to ensure * continuous rendering. Additional benefit: Force ALSA to start. */ if(stream->data_in_alsa_frames == 0 && stream->held_frames < stream->alsa_period_frames) { alsa_write_best_effort(This, stream->silence_buf, stream->alsa_period_frames - stream->held_frames, FALSE); stream->vol_adjusted_frames = 0; } if(stream->started) max_copy_frames = data_not_in_alsa(This); else max_copy_frames = 0; data_frames_played = min(stream->data_in_alsa_frames, avail); stream->data_in_alsa_frames -= data_frames_played; if(stream->held_frames > data_frames_played){ if(stream->started) stream->held_frames -= data_frames_played; }else stream->held_frames = 0; while(avail && max_copy_frames){ snd_pcm_uframes_t to_write; to_write = min(avail, max_copy_frames); written = alsa_write_buffer_wrap(This, stream->local_buffer, stream->bufsize_frames, stream->lcl_offs_frames, to_write); if(written <= 0) break; avail -= written; stream->lcl_offs_frames += written; stream->lcl_offs_frames %= stream->bufsize_frames; stream->data_in_alsa_frames += written; max_copy_frames -= written; } if(stream->event) SetEvent(stream->event); } static void alsa_read_data(ACImpl *This) { struct alsa_stream *stream = This->stream; snd_pcm_sframes_t nread; UINT32 pos = stream->wri_offs_frames, limit = stream->held_frames; if(!stream->started) goto exit; /* FIXME: Detect overrun and signal DATA_DISCONTINUITY * How to count overrun frames and report them as position increase? */ limit = stream->bufsize_frames - max(limit, pos); nread = snd_pcm_readi(stream->pcm_handle, stream->local_buffer + pos * stream->fmt->nBlockAlign, limit); TRACE("read %ld from %u limit %u\n", nread, pos, limit); if(nread < 0){ int ret; if(nread == -EAGAIN) /* no data yet */ return; WARN("read failed, recovering: %ld (%s)\n", nread, snd_strerror(nread)); ret = snd_pcm_recover(stream->pcm_handle, nread, 0); if(ret < 0){ WARN("Recover failed: %d (%s)\n", ret, snd_strerror(ret)); return; } nread = snd_pcm_readi(stream->pcm_handle, stream->local_buffer + pos * stream->fmt->nBlockAlign, limit); if(nread < 0){ WARN("read failed: %ld (%s)\n", nread, snd_strerror(nread)); return; } } if(This->session->mute){ int err; if((err = snd_pcm_format_set_silence(stream->alsa_format, stream->local_buffer + pos * stream->fmt->nBlockAlign, nread)) < 0) WARN("Setting buffer to silence failed: %d (%s)\n", err, snd_strerror(err)); } stream->wri_offs_frames += nread; stream->wri_offs_frames %= stream->bufsize_frames; stream->held_frames += nread; exit: if(stream->event) SetEvent(stream->event); } static void CALLBACK alsa_push_buffer_data(void *user, BOOLEAN timer) { ACImpl *This = user; struct alsa_stream *stream = This->stream; EnterCriticalSection(&This->lock); QueryPerformanceCounter(&stream->last_period_time); if(This->dataflow == eRender) alsa_write_data(This); else if(This->dataflow == eCapture) alsa_read_data(This); LeaveCriticalSection(&This->lock); } static snd_pcm_uframes_t interp_elapsed_frames(struct alsa_stream *stream) { LARGE_INTEGER time_freq, current_time, time_diff; QueryPerformanceFrequency(&time_freq); QueryPerformanceCounter(¤t_time); time_diff.QuadPart = current_time.QuadPart - stream->last_period_time.QuadPart; return MulDiv(time_diff.QuadPart, stream->fmt->nSamplesPerSec, time_freq.QuadPart); } static int alsa_rewind_best_effort(ACImpl *This) { struct alsa_stream *stream = This->stream; snd_pcm_uframes_t len, leave; /* we can't use snd_pcm_rewindable, some PCM devices crash. so follow * PulseAudio's example and rewind as much data as we believe is in the * buffer, minus 1.33ms for safety. */ /* amount of data to leave in ALSA buffer */ leave = interp_elapsed_frames(stream) + stream->safe_rewind_frames; if(stream->held_frames < leave) stream->held_frames = 0; else stream->held_frames -= leave; if(stream->data_in_alsa_frames < leave) len = 0; else len = stream->data_in_alsa_frames - leave; TRACE("rewinding %lu frames, now held %u\n", len, stream->held_frames); if(len) /* snd_pcm_rewind return value is often broken, assume it succeeded */ snd_pcm_rewind(stream->pcm_handle, len); stream->data_in_alsa_frames = 0; return len; } static HRESULT WINAPI AudioClient_Start(IAudioClient3 *iface) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)\n", This); EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if((stream->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !stream->event){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_EVENTHANDLE_NOT_SET; } if(stream->started){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_STOPPED; } if(This->dataflow == eCapture){ /* dump any data that might be leftover in the ALSA capture buffer */ snd_pcm_readi(stream->pcm_handle, stream->local_buffer, stream->bufsize_frames); }else{ snd_pcm_sframes_t avail, written; snd_pcm_uframes_t offs; avail = snd_pcm_avail_update(stream->pcm_handle); avail = min(avail, stream->held_frames); if(stream->wri_offs_frames < stream->held_frames) offs = stream->bufsize_frames - stream->held_frames + stream->wri_offs_frames; else offs = stream->wri_offs_frames - stream->held_frames; /* fill it with data */ written = alsa_write_buffer_wrap(This, stream->local_buffer, stream->bufsize_frames, offs, avail); if(written > 0){ stream->lcl_offs_frames = (offs + written) % stream->bufsize_frames; stream->data_in_alsa_frames = written; }else{ stream->lcl_offs_frames = offs; stream->data_in_alsa_frames = 0; } } if(!This->timer){ if(!CreateTimerQueueTimer(&This->timer, g_timer_q, alsa_push_buffer_data, This, 0, stream->mmdev_period_rt / 10000, WT_EXECUTEINTIMERTHREAD)){ LeaveCriticalSection(&This->lock); WARN("Unable to create timer: %u\n", GetLastError()); return E_OUTOFMEMORY; } } stream->started = TRUE; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_Stop(IAudioClient3 *iface) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)\n", This); EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if(!stream->started){ LeaveCriticalSection(&This->lock); return S_FALSE; } if(This->dataflow == eRender) alsa_rewind_best_effort(This); stream->started = FALSE; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_Reset(IAudioClient3 *iface) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)\n", This); EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if(stream->started){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_STOPPED; } if(stream->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_BUFFER_OPERATION_PENDING; } if(snd_pcm_drop(stream->pcm_handle) < 0) WARN("snd_pcm_drop failed\n"); if(snd_pcm_reset(stream->pcm_handle) < 0) WARN("snd_pcm_reset failed\n"); if(snd_pcm_prepare(stream->pcm_handle) < 0) WARN("snd_pcm_prepare failed\n"); if(This->dataflow == eRender){ stream->written_frames = 0; stream->last_pos_frames = 0; }else{ stream->written_frames += stream->held_frames; } stream->held_frames = 0; stream->lcl_offs_frames = 0; stream->wri_offs_frames = 0; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient3 *iface, HANDLE event) { ACImpl *This = impl_from_IAudioClient3(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%p)\n", This, event); if(!event) return E_INVALIDARG; EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if(!(stream->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK)){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED; } if (stream->event){ LeaveCriticalSection(&This->lock); FIXME("called twice\n"); return HRESULT_FROM_WIN32(ERROR_INVALID_NAME); } stream->event = event; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_GetService(IAudioClient3 *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioClient3(iface); TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; EnterCriticalSection(&This->lock); if(!This->stream){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if(IsEqualIID(riid, &IID_IAudioRenderClient)){ if(This->dataflow != eRender){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_WRONG_ENDPOINT_TYPE; } IAudioRenderClient_AddRef(&This->IAudioRenderClient_iface); *ppv = &This->IAudioRenderClient_iface; }else if(IsEqualIID(riid, &IID_IAudioCaptureClient)){ if(This->dataflow != eCapture){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_WRONG_ENDPOINT_TYPE; } IAudioCaptureClient_AddRef(&This->IAudioCaptureClient_iface); *ppv = &This->IAudioCaptureClient_iface; }else if(IsEqualIID(riid, &IID_IAudioClock)){ IAudioClock_AddRef(&This->IAudioClock_iface); *ppv = &This->IAudioClock_iface; }else if(IsEqualIID(riid, &IID_IAudioStreamVolume)){ IAudioStreamVolume_AddRef(&This->IAudioStreamVolume_iface); *ppv = &This->IAudioStreamVolume_iface; }else if(IsEqualIID(riid, &IID_IAudioSessionControl)){ if(!This->session_wrapper){ This->session_wrapper = AudioSessionWrapper_Create(This); if(!This->session_wrapper){ LeaveCriticalSection(&This->lock); return E_OUTOFMEMORY; } }else IAudioSessionControl2_AddRef(&This->session_wrapper->IAudioSessionControl2_iface); *ppv = &This->session_wrapper->IAudioSessionControl2_iface; }else if(IsEqualIID(riid, &IID_IChannelAudioVolume)){ if(!This->session_wrapper){ This->session_wrapper = AudioSessionWrapper_Create(This); if(!This->session_wrapper){ LeaveCriticalSection(&This->lock); return E_OUTOFMEMORY; } }else IChannelAudioVolume_AddRef(&This->session_wrapper->IChannelAudioVolume_iface); *ppv = &This->session_wrapper->IChannelAudioVolume_iface; }else if(IsEqualIID(riid, &IID_ISimpleAudioVolume)){ if(!This->session_wrapper){ This->session_wrapper = AudioSessionWrapper_Create(This); if(!This->session_wrapper){ LeaveCriticalSection(&This->lock); return E_OUTOFMEMORY; } }else ISimpleAudioVolume_AddRef(&This->session_wrapper->ISimpleAudioVolume_iface); *ppv = &This->session_wrapper->ISimpleAudioVolume_iface; } if(*ppv){ LeaveCriticalSection(&This->lock); return S_OK; } LeaveCriticalSection(&This->lock); FIXME("stub %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static HRESULT WINAPI AudioClient_IsOffloadCapable(IAudioClient3 *iface, AUDIO_STREAM_CATEGORY category, BOOL *offload_capable) { ACImpl *This = impl_from_IAudioClient3(iface); TRACE("(%p)->(0x%x, %p)\n", This, category, offload_capable); if(!offload_capable) return E_INVALIDARG; *offload_capable = FALSE; return S_OK; } static HRESULT WINAPI AudioClient_SetClientProperties(IAudioClient3 *iface, const AudioClientProperties *prop) { ACImpl *This = impl_from_IAudioClient3(iface); const Win8AudioClientProperties *legacy_prop = (const Win8AudioClientProperties *)prop; TRACE("(%p)->(%p)\n", This, prop); if(!legacy_prop) return E_POINTER; if(legacy_prop->cbSize == sizeof(AudioClientProperties)){ TRACE("{ bIsOffload: %u, eCategory: 0x%x, Options: 0x%x }\n", legacy_prop->bIsOffload, legacy_prop->eCategory, prop->Options); }else if(legacy_prop->cbSize == sizeof(Win8AudioClientProperties)){ TRACE("{ bIsOffload: %u, eCategory: 0x%x }\n", legacy_prop->bIsOffload, legacy_prop->eCategory); }else{ WARN("Unsupported Size = %d\n", legacy_prop->cbSize); return E_INVALIDARG; } if(legacy_prop->bIsOffload) return AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE; return S_OK; } static HRESULT WINAPI AudioClient_GetBufferSizeLimits(IAudioClient3 *iface, const WAVEFORMATEX *format, BOOL event_driven, REFERENCE_TIME *min_duration, REFERENCE_TIME *max_duration) { ACImpl *This = impl_from_IAudioClient3(iface); FIXME("(%p)->(%p, %u, %p, %p)\n", This, format, event_driven, min_duration, max_duration); return E_NOTIMPL; } static HRESULT WINAPI AudioClient_GetSharedModeEnginePeriod(IAudioClient3 *iface, const WAVEFORMATEX *format, UINT32 *default_period_frames, UINT32 *unit_period_frames, UINT32 *min_period_frames, UINT32 *max_period_frames) { ACImpl *This = impl_from_IAudioClient3(iface); FIXME("(%p)->(%p, %p, %p, %p, %p)\n", This, format, default_period_frames, unit_period_frames, min_period_frames, max_period_frames); return E_NOTIMPL; } static HRESULT WINAPI AudioClient_GetCurrentSharedModeEnginePeriod(IAudioClient3 *iface, WAVEFORMATEX **cur_format, UINT32 *cur_period_frames) { ACImpl *This = impl_from_IAudioClient3(iface); FIXME("(%p)->(%p, %p)\n", This, cur_format, cur_period_frames); return E_NOTIMPL; } static HRESULT WINAPI AudioClient_InitializeSharedAudioStream(IAudioClient3 *iface, DWORD flags, UINT32 period_frames, const WAVEFORMATEX *format, const GUID *session_guid) { ACImpl *This = impl_from_IAudioClient3(iface); FIXME("(%p)->(0x%x, %u, %p, %s)\n", This, flags, period_frames, format, debugstr_guid(session_guid)); return E_NOTIMPL; } static const IAudioClient3Vtbl AudioClient3_Vtbl = { AudioClient_QueryInterface, AudioClient_AddRef, AudioClient_Release, AudioClient_Initialize, AudioClient_GetBufferSize, AudioClient_GetStreamLatency, AudioClient_GetCurrentPadding, AudioClient_IsFormatSupported, AudioClient_GetMixFormat, AudioClient_GetDevicePeriod, AudioClient_Start, AudioClient_Stop, AudioClient_Reset, AudioClient_SetEventHandle, AudioClient_GetService, AudioClient_IsOffloadCapable, AudioClient_SetClientProperties, AudioClient_GetBufferSizeLimits, AudioClient_GetSharedModeEnginePeriod, AudioClient_GetCurrentSharedModeEnginePeriod, AudioClient_InitializeSharedAudioStream, }; static HRESULT WINAPI AudioRenderClient_QueryInterface( IAudioRenderClient *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioRenderClient(iface); TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioRenderClient)) *ppv = iface; else if(IsEqualIID(riid, &IID_IMarshal)) return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv); if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface) { ACImpl *This = impl_from_IAudioRenderClient(iface); return AudioClient_AddRef(&This->IAudioClient3_iface); } static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface) { ACImpl *This = impl_from_IAudioRenderClient(iface); return AudioClient_Release(&This->IAudioClient3_iface); } static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface, UINT32 frames, BYTE **data) { ACImpl *This = impl_from_IAudioRenderClient(iface); struct alsa_stream *stream = This->stream; UINT32 write_pos; TRACE("(%p)->(%u, %p)\n", This, frames, data); if(!data) return E_POINTER; *data = NULL; EnterCriticalSection(&This->lock); if(stream->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } if(!frames){ LeaveCriticalSection(&This->lock); return S_OK; } /* held_frames == GetCurrentPadding_nolock(); */ if(stream->held_frames + frames > stream->bufsize_frames){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_BUFFER_TOO_LARGE; } write_pos = stream->wri_offs_frames; if(write_pos + frames > stream->bufsize_frames){ if(stream->tmp_buffer_frames < frames){ HeapFree(GetProcessHeap(), 0, stream->tmp_buffer); stream->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, frames * stream->fmt->nBlockAlign); if(!stream->tmp_buffer){ LeaveCriticalSection(&This->lock); return E_OUTOFMEMORY; } stream->tmp_buffer_frames = frames; } *data = stream->tmp_buffer; stream->getbuf_last = -frames; }else{ *data = stream->local_buffer + write_pos * stream->fmt->nBlockAlign; stream->getbuf_last = frames; } silence_buffer(stream, *data, frames); LeaveCriticalSection(&This->lock); return S_OK; } static void alsa_wrap_buffer(struct alsa_stream *stream, BYTE *buffer, UINT32 written_frames) { snd_pcm_uframes_t write_offs_frames = stream->wri_offs_frames; UINT32 write_offs_bytes = write_offs_frames * stream->fmt->nBlockAlign; snd_pcm_uframes_t chunk_frames = stream->bufsize_frames - write_offs_frames; UINT32 chunk_bytes = chunk_frames * stream->fmt->nBlockAlign; UINT32 written_bytes = written_frames * stream->fmt->nBlockAlign; if(written_bytes <= chunk_bytes){ memcpy(stream->local_buffer + write_offs_bytes, buffer, written_bytes); }else{ memcpy(stream->local_buffer + write_offs_bytes, buffer, chunk_bytes); memcpy(stream->local_buffer, buffer + chunk_bytes, written_bytes - chunk_bytes); } } static HRESULT WINAPI AudioRenderClient_ReleaseBuffer( IAudioRenderClient *iface, UINT32 written_frames, DWORD flags) { ACImpl *This = impl_from_IAudioRenderClient(iface); struct alsa_stream *stream = This->stream; BYTE *buffer; TRACE("(%p)->(%u, %x)\n", This, written_frames, flags); EnterCriticalSection(&This->lock); if(!written_frames){ stream->getbuf_last = 0; LeaveCriticalSection(&This->lock); return S_OK; } if(!stream->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } if(written_frames > (stream->getbuf_last >= 0 ? stream->getbuf_last : -stream->getbuf_last)){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_INVALID_SIZE; } if(stream->getbuf_last >= 0) buffer = stream->local_buffer + stream->wri_offs_frames * stream->fmt->nBlockAlign; else buffer = stream->tmp_buffer; if(flags & AUDCLNT_BUFFERFLAGS_SILENT) silence_buffer(stream, buffer, written_frames); if(stream->getbuf_last < 0) alsa_wrap_buffer(stream, buffer, written_frames); stream->wri_offs_frames += written_frames; stream->wri_offs_frames %= stream->bufsize_frames; stream->held_frames += written_frames; stream->written_frames += written_frames; stream->getbuf_last = 0; LeaveCriticalSection(&This->lock); return S_OK; } static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = { AudioRenderClient_QueryInterface, AudioRenderClient_AddRef, AudioRenderClient_Release, AudioRenderClient_GetBuffer, AudioRenderClient_ReleaseBuffer }; static HRESULT WINAPI AudioCaptureClient_QueryInterface( IAudioCaptureClient *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioCaptureClient(iface); TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioCaptureClient)) *ppv = iface; else if(IsEqualIID(riid, &IID_IMarshal)) return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv); if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface) { ACImpl *This = impl_from_IAudioCaptureClient(iface); return IAudioClient3_AddRef(&This->IAudioClient3_iface); } static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface) { ACImpl *This = impl_from_IAudioCaptureClient(iface); return IAudioClient3_Release(&This->IAudioClient3_iface); } static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface, BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos, UINT64 *qpcpos) { ACImpl *This = impl_from_IAudioCaptureClient(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags, devpos, qpcpos); if(!data) return E_POINTER; *data = NULL; if(!frames || !flags) return E_POINTER; EnterCriticalSection(&This->lock); if(stream->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } /* hr = GetNextPacketSize(iface, frames); */ if(stream->held_frames < stream->mmdev_period_frames){ *frames = 0; LeaveCriticalSection(&This->lock); return AUDCLNT_S_BUFFER_EMPTY; } *frames = stream->mmdev_period_frames; if(stream->lcl_offs_frames + *frames > stream->bufsize_frames){ UINT32 chunk_bytes, offs_bytes, frames_bytes; if(stream->tmp_buffer_frames < *frames){ HeapFree(GetProcessHeap(), 0, stream->tmp_buffer); stream->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, *frames * stream->fmt->nBlockAlign); if(!stream->tmp_buffer){ LeaveCriticalSection(&This->lock); return E_OUTOFMEMORY; } stream->tmp_buffer_frames = *frames; } *data = stream->tmp_buffer; chunk_bytes = (stream->bufsize_frames - stream->lcl_offs_frames) * stream->fmt->nBlockAlign; offs_bytes = stream->lcl_offs_frames * stream->fmt->nBlockAlign; frames_bytes = *frames * stream->fmt->nBlockAlign; memcpy(stream->tmp_buffer, stream->local_buffer + offs_bytes, chunk_bytes); memcpy(stream->tmp_buffer + chunk_bytes, stream->local_buffer, frames_bytes - chunk_bytes); }else *data = stream->local_buffer + stream->lcl_offs_frames * stream->fmt->nBlockAlign; stream->getbuf_last = *frames; *flags = 0; if(devpos) *devpos = stream->written_frames; if(qpcpos){ /* fixme: qpc of recording time */ LARGE_INTEGER stamp, freq; QueryPerformanceCounter(&stamp); QueryPerformanceFrequency(&freq); *qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart; } LeaveCriticalSection(&This->lock); return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY; } static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer( IAudioCaptureClient *iface, UINT32 done) { ACImpl *This = impl_from_IAudioCaptureClient(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%u)\n", This, done); EnterCriticalSection(&This->lock); if(!done){ stream->getbuf_last = 0; LeaveCriticalSection(&This->lock); return S_OK; } if(!stream->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } if(stream->getbuf_last != done){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_INVALID_SIZE; } stream->written_frames += done; stream->held_frames -= done; stream->lcl_offs_frames += done; stream->lcl_offs_frames %= stream->bufsize_frames; stream->getbuf_last = 0; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize( IAudioCaptureClient *iface, UINT32 *frames) { ACImpl *This = impl_from_IAudioCaptureClient(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%p)\n", This, frames); if(!frames) return E_POINTER; EnterCriticalSection(&This->lock); *frames = stream->held_frames < stream->mmdev_period_frames ? 0 : stream->mmdev_period_frames; LeaveCriticalSection(&This->lock); return S_OK; } static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl = { AudioCaptureClient_QueryInterface, AudioCaptureClient_AddRef, AudioCaptureClient_Release, AudioCaptureClient_GetBuffer, AudioCaptureClient_ReleaseBuffer, AudioCaptureClient_GetNextPacketSize }; static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioClock(iface); TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock)) *ppv = iface; else if(IsEqualIID(riid, &IID_IAudioClock2)) *ppv = &This->IAudioClock2_iface; if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface) { ACImpl *This = impl_from_IAudioClock(iface); return IAudioClient3_AddRef(&This->IAudioClient3_iface); } static ULONG WINAPI AudioClock_Release(IAudioClock *iface) { ACImpl *This = impl_from_IAudioClock(iface); return IAudioClient3_Release(&This->IAudioClient3_iface); } static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq) { ACImpl *This = impl_from_IAudioClock(iface); struct alsa_stream *stream = This->stream; TRACE("(%p)->(%p)\n", This, freq); if(stream->share == AUDCLNT_SHAREMODE_SHARED) *freq = (UINT64)stream->fmt->nSamplesPerSec * stream->fmt->nBlockAlign; else *freq = stream->fmt->nSamplesPerSec; return S_OK; } static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos, UINT64 *qpctime) { ACImpl *This = impl_from_IAudioClock(iface); struct alsa_stream *stream = This->stream; UINT64 position; snd_pcm_state_t alsa_state; TRACE("(%p)->(%p, %p)\n", This, pos, qpctime); if(!pos) return E_POINTER; EnterCriticalSection(&This->lock); /* avail_update required to get accurate snd_pcm_state() */ snd_pcm_avail_update(stream->pcm_handle); alsa_state = snd_pcm_state(stream->pcm_handle); if(This->dataflow == eRender){ position = stream->written_frames - stream->held_frames; if(stream->started && alsa_state == SND_PCM_STATE_RUNNING && stream->held_frames) /* we should be using snd_pcm_delay here, but it is broken * especially during ALSA device underrun. instead, let's just * interpolate between periods with the system timer. */ position += interp_elapsed_frames(stream); position = min(position, stream->written_frames - stream->held_frames + stream->mmdev_period_frames); position = min(position, stream->written_frames); }else position = stream->written_frames + stream->held_frames; /* ensure monotic growth */ if(position < stream->last_pos_frames) position = stream->last_pos_frames; else stream->last_pos_frames = position; TRACE("frames written: %u, held: %u, state: 0x%x, position: %u\n", (UINT32)(stream->written_frames%1000000000), stream->held_frames, alsa_state, (UINT32)(position%1000000000)); LeaveCriticalSection(&This->lock); if(stream->share == AUDCLNT_SHAREMODE_SHARED) *pos = position * stream->fmt->nBlockAlign; else *pos = position; if(qpctime){ LARGE_INTEGER stamp, freq; QueryPerformanceCounter(&stamp); QueryPerformanceFrequency(&freq); *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart; } return S_OK; } static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface, DWORD *chars) { ACImpl *This = impl_from_IAudioClock(iface); TRACE("(%p)->(%p)\n", This, chars); if(!chars) return E_POINTER; *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ; return S_OK; } static const IAudioClockVtbl AudioClock_Vtbl = { AudioClock_QueryInterface, AudioClock_AddRef, AudioClock_Release, AudioClock_GetFrequency, AudioClock_GetPosition, AudioClock_GetCharacteristics }; static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioClock2(iface); return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv); } static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface) { ACImpl *This = impl_from_IAudioClock2(iface); return IAudioClient3_AddRef(&This->IAudioClient3_iface); } static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface) { ACImpl *This = impl_from_IAudioClock2(iface); return IAudioClient3_Release(&This->IAudioClient3_iface); } static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface, UINT64 *pos, UINT64 *qpctime) { ACImpl *This = impl_from_IAudioClock2(iface); FIXME("(%p)->(%p, %p)\n", This, pos, qpctime); return E_NOTIMPL; } static const IAudioClock2Vtbl AudioClock2_Vtbl = { AudioClock2_QueryInterface, AudioClock2_AddRef, AudioClock2_Release, AudioClock2_GetDevicePosition }; static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client) { AudioSessionWrapper *ret; ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSessionWrapper)); if(!ret) return NULL; ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl; ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl; ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl; ret->ref = 1; ret->client = client; if(client){ ret->session = client->session; AudioClient_AddRef(&client->IAudioClient3_iface); } return ret; } static HRESULT WINAPI AudioSessionControl_QueryInterface( IAudioSessionControl2 *iface, REFIID riid, void **ppv) { TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioSessionControl) || IsEqualIID(riid, &IID_IAudioSessionControl2)) *ppv = iface; if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); ULONG ref; ref = InterlockedIncrement(&This->ref); TRACE("(%p) Refcount now %u\n", This, ref); return ref; } static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); ULONG ref; ref = InterlockedDecrement(&This->ref); TRACE("(%p) Refcount now %u\n", This, ref); if(!ref){ if(This->client){ EnterCriticalSection(&This->client->lock); This->client->session_wrapper = NULL; LeaveCriticalSection(&This->client->lock); AudioClient_Release(&This->client->IAudioClient3_iface); } HeapFree(GetProcessHeap(), 0, This); } return ref; } static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface, AudioSessionState *state) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); ACImpl *client; TRACE("(%p)->(%p)\n", This, state); if(!state) return NULL_PTR_ERR; EnterCriticalSection(&g_sessions_lock); if(list_empty(&This->session->clients)){ *state = AudioSessionStateExpired; LeaveCriticalSection(&g_sessions_lock); return S_OK; } LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry){ EnterCriticalSection(&client->lock); if(client->stream->started){ *state = AudioSessionStateActive; LeaveCriticalSection(&client->lock); LeaveCriticalSection(&g_sessions_lock); return S_OK; } LeaveCriticalSection(&client->lock); } LeaveCriticalSection(&g_sessions_lock); *state = AudioSessionStateInactive; return S_OK; } static HRESULT WINAPI AudioSessionControl_GetDisplayName( IAudioSessionControl2 *iface, WCHAR **name) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p) - stub\n", This, name); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_SetDisplayName( IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session)); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_GetIconPath( IAudioSessionControl2 *iface, WCHAR **path) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p) - stub\n", This, path); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_SetIconPath( IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session)); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_GetGroupingParam( IAudioSessionControl2 *iface, GUID *group) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p) - stub\n", This, group); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_SetGroupingParam( IAudioSessionControl2 *iface, const GUID *group, const GUID *session) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group), debugstr_guid(session)); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification( IAudioSessionControl2 *iface, IAudioSessionEvents *events) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p) - stub\n", This, events); return S_OK; } static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification( IAudioSessionControl2 *iface, IAudioSessionEvents *events) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p) - stub\n", This, events); return S_OK; } static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier( IAudioSessionControl2 *iface, WCHAR **id) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p) - stub\n", This, id); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier( IAudioSessionControl2 *iface, WCHAR **id) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); FIXME("(%p)->(%p) - stub\n", This, id); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionControl_GetProcessId( IAudioSessionControl2 *iface, DWORD *pid) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); TRACE("(%p)->(%p)\n", This, pid); if(!pid) return E_POINTER; *pid = GetCurrentProcessId(); return S_OK; } static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession( IAudioSessionControl2 *iface) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); TRACE("(%p)\n", This); return S_FALSE; } static HRESULT WINAPI AudioSessionControl_SetDuckingPreference( IAudioSessionControl2 *iface, BOOL optout) { AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface); TRACE("(%p)->(%d)\n", This, optout); return S_OK; } static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl = { AudioSessionControl_QueryInterface, AudioSessionControl_AddRef, AudioSessionControl_Release, AudioSessionControl_GetState, AudioSessionControl_GetDisplayName, AudioSessionControl_SetDisplayName, AudioSessionControl_GetIconPath, AudioSessionControl_SetIconPath, AudioSessionControl_GetGroupingParam, AudioSessionControl_SetGroupingParam, AudioSessionControl_RegisterAudioSessionNotification, AudioSessionControl_UnregisterAudioSessionNotification, AudioSessionControl_GetSessionIdentifier, AudioSessionControl_GetSessionInstanceIdentifier, AudioSessionControl_GetProcessId, AudioSessionControl_IsSystemSoundsSession, AudioSessionControl_SetDuckingPreference }; static HRESULT WINAPI SimpleAudioVolume_QueryInterface( ISimpleAudioVolume *iface, REFIID riid, void **ppv) { TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_ISimpleAudioVolume)) *ppv = iface; if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface) { AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface); return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface); } static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface) { AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface); return AudioSessionControl_Release(&This->IAudioSessionControl2_iface); } static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume( ISimpleAudioVolume *iface, float level, const GUID *context) { AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface); AudioSession *session = This->session; TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context)); if(level < 0.f || level > 1.f) return E_INVALIDARG; if(context) FIXME("Notifications not supported yet\n"); TRACE("ALSA does not support volume control\n"); EnterCriticalSection(&g_sessions_lock); session->master_vol = level; LeaveCriticalSection(&g_sessions_lock); return S_OK; } static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume( ISimpleAudioVolume *iface, float *level) { AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface); AudioSession *session = This->session; TRACE("(%p)->(%p)\n", session, level); if(!level) return NULL_PTR_ERR; *level = session->master_vol; return S_OK; } static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface, BOOL mute, const GUID *context) { AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface); AudioSession *session = This->session; TRACE("(%p)->(%u, %s)\n", session, mute, debugstr_guid(context)); if(context) FIXME("Notifications not supported yet\n"); session->mute = mute; return S_OK; } static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface, BOOL *mute) { AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface); AudioSession *session = This->session; TRACE("(%p)->(%p)\n", session, mute); if(!mute) return NULL_PTR_ERR; *mute = session->mute; return S_OK; } static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl = { SimpleAudioVolume_QueryInterface, SimpleAudioVolume_AddRef, SimpleAudioVolume_Release, SimpleAudioVolume_SetMasterVolume, SimpleAudioVolume_GetMasterVolume, SimpleAudioVolume_SetMute, SimpleAudioVolume_GetMute }; static HRESULT WINAPI AudioStreamVolume_QueryInterface( IAudioStreamVolume *iface, REFIID riid, void **ppv) { TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioStreamVolume)) *ppv = iface; if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface) { ACImpl *This = impl_from_IAudioStreamVolume(iface); return IAudioClient3_AddRef(&This->IAudioClient3_iface); } static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface) { ACImpl *This = impl_from_IAudioStreamVolume(iface); return IAudioClient3_Release(&This->IAudioClient3_iface); } static HRESULT WINAPI AudioStreamVolume_GetChannelCount( IAudioStreamVolume *iface, UINT32 *out) { ACImpl *This = impl_from_IAudioStreamVolume(iface); TRACE("(%p)->(%p)\n", This, out); if(!out) return E_POINTER; *out = This->channel_count; return S_OK; } static HRESULT WINAPI AudioStreamVolume_SetChannelVolume( IAudioStreamVolume *iface, UINT32 index, float level) { ACImpl *This = impl_from_IAudioStreamVolume(iface); TRACE("(%p)->(%d, %f)\n", This, index, level); if(level < 0.f || level > 1.f) return E_INVALIDARG; if(index >= This->channel_count) return E_INVALIDARG; TRACE("ALSA does not support volume control\n"); EnterCriticalSection(&This->lock); This->vols[index] = level; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioStreamVolume_GetChannelVolume( IAudioStreamVolume *iface, UINT32 index, float *level) { ACImpl *This = impl_from_IAudioStreamVolume(iface); TRACE("(%p)->(%d, %p)\n", This, index, level); if(!level) return E_POINTER; if(index >= This->channel_count) return E_INVALIDARG; *level = This->vols[index]; return S_OK; } static HRESULT WINAPI AudioStreamVolume_SetAllVolumes( IAudioStreamVolume *iface, UINT32 count, const float *levels) { ACImpl *This = impl_from_IAudioStreamVolume(iface); unsigned int i; TRACE("(%p)->(%d, %p)\n", This, count, levels); if(!levels) return E_POINTER; if(count != This->channel_count) return E_INVALIDARG; TRACE("ALSA does not support volume control\n"); EnterCriticalSection(&This->lock); for(i = 0; i < count; ++i) This->vols[i] = levels[i]; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioStreamVolume_GetAllVolumes( IAudioStreamVolume *iface, UINT32 count, float *levels) { ACImpl *This = impl_from_IAudioStreamVolume(iface); unsigned int i; TRACE("(%p)->(%d, %p)\n", This, count, levels); if(!levels) return E_POINTER; if(count != This->channel_count) return E_INVALIDARG; EnterCriticalSection(&This->lock); for(i = 0; i < count; ++i) levels[i] = This->vols[i]; LeaveCriticalSection(&This->lock); return S_OK; } static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl = { AudioStreamVolume_QueryInterface, AudioStreamVolume_AddRef, AudioStreamVolume_Release, AudioStreamVolume_GetChannelCount, AudioStreamVolume_SetChannelVolume, AudioStreamVolume_GetChannelVolume, AudioStreamVolume_SetAllVolumes, AudioStreamVolume_GetAllVolumes }; static HRESULT WINAPI ChannelAudioVolume_QueryInterface( IChannelAudioVolume *iface, REFIID riid, void **ppv) { TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IChannelAudioVolume)) *ppv = iface; if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface) { AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface); return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface); } static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface) { AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface); return AudioSessionControl_Release(&This->IAudioSessionControl2_iface); } static HRESULT WINAPI ChannelAudioVolume_GetChannelCount( IChannelAudioVolume *iface, UINT32 *out) { AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface); AudioSession *session = This->session; TRACE("(%p)->(%p)\n", session, out); if(!out) return NULL_PTR_ERR; *out = session->channel_count; return S_OK; } static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume( IChannelAudioVolume *iface, UINT32 index, float level, const GUID *context) { AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface); AudioSession *session = This->session; TRACE("(%p)->(%d, %f, %s)\n", session, index, level, wine_dbgstr_guid(context)); if(level < 0.f || level > 1.f) return E_INVALIDARG; if(index >= session->channel_count) return E_INVALIDARG; if(context) FIXME("Notifications not supported yet\n"); TRACE("ALSA does not support volume control\n"); EnterCriticalSection(&g_sessions_lock); session->channel_vols[index] = level; LeaveCriticalSection(&g_sessions_lock); return S_OK; } static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume( IChannelAudioVolume *iface, UINT32 index, float *level) { AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface); AudioSession *session = This->session; TRACE("(%p)->(%d, %p)\n", session, index, level); if(!level) return NULL_PTR_ERR; if(index >= session->channel_count) return E_INVALIDARG; *level = session->channel_vols[index]; return S_OK; } static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes( IChannelAudioVolume *iface, UINT32 count, const float *levels, const GUID *context) { AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface); AudioSession *session = This->session; unsigned int i; TRACE("(%p)->(%d, %p, %s)\n", session, count, levels, wine_dbgstr_guid(context)); if(!levels) return NULL_PTR_ERR; if(count != session->channel_count) return E_INVALIDARG; if(context) FIXME("Notifications not supported yet\n"); TRACE("ALSA does not support volume control\n"); EnterCriticalSection(&g_sessions_lock); for(i = 0; i < count; ++i) session->channel_vols[i] = levels[i]; LeaveCriticalSection(&g_sessions_lock); return S_OK; } static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes( IChannelAudioVolume *iface, UINT32 count, float *levels) { AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface); AudioSession *session = This->session; unsigned int i; TRACE("(%p)->(%d, %p)\n", session, count, levels); if(!levels) return NULL_PTR_ERR; if(count != session->channel_count) return E_INVALIDARG; for(i = 0; i < count; ++i) levels[i] = session->channel_vols[i]; return S_OK; } static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl = { ChannelAudioVolume_QueryInterface, ChannelAudioVolume_AddRef, ChannelAudioVolume_Release, ChannelAudioVolume_GetChannelCount, ChannelAudioVolume_SetChannelVolume, ChannelAudioVolume_GetChannelVolume, ChannelAudioVolume_SetAllVolumes, ChannelAudioVolume_GetAllVolumes }; static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface, REFIID riid, void **ppv) { TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioSessionManager) || IsEqualIID(riid, &IID_IAudioSessionManager2)) *ppv = iface; if(*ppv){ IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } WARN("Unknown interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); ULONG ref; ref = InterlockedIncrement(&This->ref); TRACE("(%p) Refcount now %u\n", This, ref); return ref; } static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); ULONG ref; ref = InterlockedDecrement(&This->ref); TRACE("(%p) Refcount now %u\n", This, ref); if(!ref) HeapFree(GetProcessHeap(), 0, This); return ref; } static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl( IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags, IAudioSessionControl **out) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); AudioSession *session; AudioSessionWrapper *wrapper; HRESULT hr; TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid), flags, out); hr = get_audio_session(session_guid, This->device, 0, &session); if(FAILED(hr)) return hr; wrapper = AudioSessionWrapper_Create(NULL); if(!wrapper) return E_OUTOFMEMORY; wrapper->session = session; *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface; return S_OK; } static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume( IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags, ISimpleAudioVolume **out) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); AudioSession *session; AudioSessionWrapper *wrapper; HRESULT hr; TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid), flags, out); hr = get_audio_session(session_guid, This->device, 0, &session); if(FAILED(hr)) return hr; wrapper = AudioSessionWrapper_Create(NULL); if(!wrapper) return E_OUTOFMEMORY; wrapper->session = session; *out = &wrapper->ISimpleAudioVolume_iface; return S_OK; } static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator( IAudioSessionManager2 *iface, IAudioSessionEnumerator **out) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); FIXME("(%p)->(%p) - stub\n", This, out); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification( IAudioSessionManager2 *iface, IAudioSessionNotification *notification) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); FIXME("(%p)->(%p) - stub\n", This, notification); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification( IAudioSessionManager2 *iface, IAudioSessionNotification *notification) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); FIXME("(%p)->(%p) - stub\n", This, notification); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification( IAudioSessionManager2 *iface, const WCHAR *session_id, IAudioVolumeDuckNotification *notification) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); FIXME("(%p)->(%p) - stub\n", This, notification); return E_NOTIMPL; } static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification( IAudioSessionManager2 *iface, IAudioVolumeDuckNotification *notification) { SessionMgr *This = impl_from_IAudioSessionManager2(iface); FIXME("(%p)->(%p) - stub\n", This, notification); return E_NOTIMPL; } static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl = { AudioSessionManager_QueryInterface, AudioSessionManager_AddRef, AudioSessionManager_Release, AudioSessionManager_GetAudioSessionControl, AudioSessionManager_GetSimpleAudioVolume, AudioSessionManager_GetSessionEnumerator, AudioSessionManager_RegisterSessionNotification, AudioSessionManager_UnregisterSessionNotification, AudioSessionManager_RegisterDuckNotification, AudioSessionManager_UnregisterDuckNotification }; HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device, IAudioSessionManager2 **out) { SessionMgr *This; This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr)); if(!This) return E_OUTOFMEMORY; This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl; This->device = device; This->ref = 1; *out = &This->IAudioSessionManager2_iface; return S_OK; } static unsigned int alsa_probe_num_speakers(char *name) { snd_pcm_t *handle; snd_pcm_hw_params_t *params; int err; unsigned int max_channels = 0; if ((err = snd_pcm_open(&handle, name, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK)) < 0) { WARN("The device \"%s\" failed to open: %d (%s).\n", name, err, snd_strerror(err)); return 0; } params = HeapAlloc(GetProcessHeap(), 0, snd_pcm_hw_params_sizeof()); if (!params) { WARN("Out of memory.\n"); snd_pcm_close(handle); return 0; } if ((err = snd_pcm_hw_params_any(handle, params)) < 0) { WARN("snd_pcm_hw_params_any failed for \"%s\": %d (%s).\n", name, err, snd_strerror(err)); goto exit; } if ((err = snd_pcm_hw_params_get_channels_max(params, &max_channels)) < 0){ WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err)); goto exit; } exit: HeapFree(GetProcessHeap(), 0, params); snd_pcm_close(handle); return max_channels; } enum AudioDeviceConnectionType { AudioDeviceConnectionType_Unknown = 0, AudioDeviceConnectionType_PCI, AudioDeviceConnectionType_USB }; HRESULT WINAPI AUDDRV_GetPropValue(GUID *guid, const PROPERTYKEY *prop, PROPVARIANT *out) { char name[256]; EDataFlow flow; static const PROPERTYKEY devicepath_key = { /* undocumented? - {b3f8fa53-0004-438e-9003-51a46e139bfc},2 */ {0xb3f8fa53, 0x0004, 0x438e, {0x90, 0x03, 0x51, 0xa4, 0x6e, 0x13, 0x9b, 0xfc}}, 2 }; TRACE("%s, (%s,%u), %p\n", wine_dbgstr_guid(guid), wine_dbgstr_guid(&prop->fmtid), prop->pid, out); if(!get_alsa_name_by_guid(guid, name, sizeof(name), &flow)) { WARN("Unknown interface %s\n", debugstr_guid(guid)); return E_NOINTERFACE; } if(IsEqualPropertyKey(*prop, devicepath_key)) { char uevent[MAX_PATH]; FILE *fuevent; int card, device; /* only implemented for identifiable devices, i.e. not "default" */ if(!sscanf(name, "plughw:%u,%u", &card, &device)) return E_NOTIMPL; sprintf(uevent, "/sys/class/sound/card%u/device/uevent", card); fuevent = fopen(uevent, "r"); if(fuevent){ enum AudioDeviceConnectionType connection = AudioDeviceConnectionType_Unknown; USHORT vendor_id = 0, product_id = 0; char line[256]; while (fgets(line, sizeof(line), fuevent)) { char *val; size_t val_len; if((val = strchr(line, '='))) { val[0] = 0; val++; val_len = strlen(val); if(val_len > 0 && val[val_len - 1] == '\n') { val[val_len - 1] = 0; } if(!strcmp(line, "PCI_ID")){ connection = AudioDeviceConnectionType_PCI; if(sscanf(val, "%hX:%hX", &vendor_id, &product_id)<2){ WARN("Unexpected input when reading PCI_ID in uevent file.\n"); connection = AudioDeviceConnectionType_Unknown; break; } }else if(!strcmp(line, "DEVTYPE") && !strcmp(val,"usb_interface")) connection = AudioDeviceConnectionType_USB; else if(!strcmp(line, "PRODUCT")) if(sscanf(val, "%hx/%hx/", &vendor_id, &product_id)<2){ WARN("Unexpected input when reading PRODUCT in uevent file.\n"); connection = AudioDeviceConnectionType_Unknown; break; } } } fclose(fuevent); if(connection == AudioDeviceConnectionType_USB || connection == AudioDeviceConnectionType_PCI){ static const WCHAR usbformatW[] = { '{','1','}','.','U','S','B','\\','V','I','D','_', '%','0','4','X','&','P','I','D','_','%','0','4','X','\\', '%','u','&','%','0','8','X',0 }; /* "{1}.USB\VID_%04X&PID_%04X\%u&%08X" */ static const WCHAR pciformatW[] = { '{','1','}','.','H','D','A','U','D','I','O','\\','F','U','N','C','_','0','1','&', 'V','E','N','_','%','0','4','X','&','D','E','V','_', '%','0','4','X','\\','%','u','&','%','0','8','X',0 }; /* "{1}.HDAUDIO\FUNC_01&VEN_%04X&DEV_%04X\%u&%08X" */ UINT serial_number; /* As hardly any audio devices have serial numbers, Windows instead appears to use a persistent random number. We emulate this here by instead using the last 8 hex digits of the GUID. */ serial_number = (guid->Data4[4] << 24) | (guid->Data4[5] << 16) | (guid->Data4[6] << 8) | guid->Data4[7]; out->vt = VT_LPWSTR; out->pwszVal = CoTaskMemAlloc(128 * sizeof(WCHAR)); if(!out->pwszVal) return E_OUTOFMEMORY; if(connection == AudioDeviceConnectionType_USB) sprintfW( out->pwszVal, usbformatW, vendor_id, product_id, device, serial_number); else if(connection == AudioDeviceConnectionType_PCI) sprintfW( out->pwszVal, pciformatW, vendor_id, product_id, device, serial_number); return S_OK; } }else{ WARN("Could not open %s for reading\n", uevent); return E_NOTIMPL; } } else if (flow != eCapture && IsEqualPropertyKey(*prop, PKEY_AudioEndpoint_PhysicalSpeakers)) { unsigned int num_speakers, card, device; char hwname[255]; if (sscanf(name, "plughw:%u,%u", &card, &device)) sprintf(hwname, "hw:%u,%u", card, device); /* must be hw rather than plughw to work */ else strcpy(hwname, name); num_speakers = alsa_probe_num_speakers(hwname); if (num_speakers == 0) return E_FAIL; out->vt = VT_UI4; if (num_speakers > 6) out->ulVal = KSAUDIO_SPEAKER_STEREO; else if (num_speakers == 6) out->ulVal = KSAUDIO_SPEAKER_5POINT1; else if (num_speakers >= 4) out->ulVal = KSAUDIO_SPEAKER_QUAD; else if (num_speakers >= 2) out->ulVal = KSAUDIO_SPEAKER_STEREO; else if (num_speakers == 1) out->ulVal = KSAUDIO_SPEAKER_MONO; return S_OK; } TRACE("Unimplemented property %s,%u\n", wine_dbgstr_guid(&prop->fmtid), prop->pid); return E_NOTIMPL; }