/* * Copyright 2010 Maarten Lankhorst for CodeWeavers * Copyright 2011 Andrew Eikum for CodeWeavers * * 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 <stdarg.h> #include <math.h> #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 "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 <alsa/asoundlib.h> WINE_DEFAULT_DEBUG_CHANNEL(alsa); WINE_DECLARE_DEBUG_CHANNEL(winediag); #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; CRITICAL_SECTION lock; 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 { IAudioClient IAudioClient_iface; IAudioRenderClient IAudioRenderClient_iface; IAudioCaptureClient IAudioCaptureClient_iface; IAudioClock IAudioClock_iface; IAudioClock2 IAudioClock2_iface; IAudioStreamVolume IAudioStreamVolume_iface; LONG ref; snd_pcm_t *pcm_handle; snd_pcm_uframes_t alsa_bufsize_frames, alsa_period_frames, safe_rewind_frames; snd_pcm_hw_params_t *hw_params; /* does not hold state between calls */ snd_pcm_format_t alsa_format; LARGE_INTEGER last_period_time; IMMDevice *parent; IUnknown *pUnkFTMarshal; EDataFlow dataflow; WAVEFORMATEX *fmt; DWORD flags; AUDCLNT_SHAREMODE share; HANDLE event; float *vols; BOOL need_remapping; int alsa_channels; int alsa_channel_map[32]; BOOL initted, started; REFERENCE_TIME mmdev_period_rt; UINT64 written_frames, last_pos_frames; UINT32 bufsize_frames, held_frames, tmp_buffer_frames, mmdev_period_frames; snd_pcm_uframes_t remapping_buf_frames; UINT32 lcl_offs_frames; /* offs into local_buffer where valid data starts */ UINT32 wri_offs_frames; /* where to write fresh data in local_buffer */ UINT32 hidden_frames; /* ALSA reserve to ensure continuous rendering */ UINT32 vol_adjusted_frames; /* Frames we've already adjusted the volume of but didn't write yet */ UINT32 data_in_alsa_frames; HANDLE timer; BYTE *local_buffer, *tmp_buffer, *remapping_buf, *silence_buf; LONG32 getbuf_last; /* <0 when using tmp_buffer */ CRITICAL_SECTION lock; AudioSession *session; AudioSessionWrapper *session_wrapper; struct list entry; }; 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 defaultW[] = {'d','e','f','a','u','l','t',0}; static const char defname[] = "default"; static const WCHAR drv_keyW[] = {'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',0}; 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 IAudioClientVtbl AudioClient_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_IAudioClient(IAudioClient *iface) { return CONTAINING_RECORD(iface, ACImpl, IAudioClient_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: 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 <dlls/mmdevapi/mmdevapi.h> */ 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 BOOL alsa_try_open(const char *devnode, snd_pcm_stream_t stream) { snd_pcm_t *handle; int err; TRACE("devnode: %s, stream: %d\n", devnode, stream); if((err = snd_pcm_open(&handle, devnode, stream, SND_PCM_NONBLOCK)) < 0){ WARN("The device \"%s\" failed to open: %d (%s).\n", devnode, err, snd_strerror(err)); return FALSE; } snd_pcm_close(handle); return TRUE; } static WCHAR *construct_device_id(EDataFlow flow, const WCHAR *chunk1, const char *chunk2) { WCHAR *ret; const WCHAR *prefix; DWORD len_wchars = 0, chunk1_len = 0, copied = 0, prefix_len; static const WCHAR dashW[] = {' ','-',' ',0}; static const size_t dashW_len = ARRAY_SIZE(dashW) - 1; static const WCHAR outW[] = {'O','u','t',':',' ',0}; static const WCHAR inW[] = {'I','n',':',' ',0}; if(flow == eRender){ prefix = outW; prefix_len = ARRAY_SIZE(outW) - 1; len_wchars += prefix_len; }else{ prefix = inW; prefix_len = ARRAY_SIZE(inW) - 1; len_wchars += prefix_len; } if(chunk1){ chunk1_len = strlenW(chunk1); len_wchars += chunk1_len; } if(chunk1 && chunk2) len_wchars += dashW_len; if(chunk2) len_wchars += MultiByteToWideChar(CP_UNIXCP, 0, chunk2, -1, NULL, 0) - 1; len_wchars += 1; /* NULL byte */ ret = HeapAlloc(GetProcessHeap(), 0, len_wchars * sizeof(WCHAR)); memcpy(ret, prefix, prefix_len * sizeof(WCHAR)); copied += prefix_len; if(chunk1){ memcpy(ret + copied, chunk1, chunk1_len * sizeof(WCHAR)); copied += chunk1_len; } if(chunk1 && chunk2){ memcpy(ret + copied, dashW, dashW_len * sizeof(WCHAR)); copied += dashW_len; } if(chunk2){ MultiByteToWideChar(CP_UNIXCP, 0, chunk2, -1, ret + copied, len_wchars - copied); }else ret[copied] = 0; TRACE("Enumerated device: %s\n", wine_dbgstr_w(ret)); return ret; } static HRESULT alsa_get_card_devices(EDataFlow flow, snd_pcm_stream_t stream, WCHAR ***ids, GUID **guids, UINT *num, snd_ctl_t *ctl, int card, const WCHAR *cardnameW) { int err, device; snd_pcm_info_t *info; info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_info_sizeof()); if(!info) return E_OUTOFMEMORY; snd_pcm_info_set_subdevice(info, 0); snd_pcm_info_set_stream(info, stream); device = -1; for(err = snd_ctl_pcm_next_device(ctl, &device); device != -1 && err >= 0; err = snd_ctl_pcm_next_device(ctl, &device)){ const char *devname; char devnode[32]; snd_pcm_info_set_device(info, device); if((err = snd_ctl_pcm_info(ctl, info)) < 0){ if(err == -ENOENT) /* This device doesn't have the right stream direction */ continue; WARN("Failed to get info for card %d, device %d: %d (%s)\n", card, device, err, snd_strerror(err)); continue; } sprintf(devnode, "plughw:%d,%d", card, device); if(!alsa_try_open(devnode, stream)) continue; if(*num){ *ids = HeapReAlloc(GetProcessHeap(), 0, *ids, sizeof(WCHAR *) * (*num + 1)); *guids = HeapReAlloc(GetProcessHeap(), 0, *guids, sizeof(GUID) * (*num + 1)); }else{ *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *)); *guids = HeapAlloc(GetProcessHeap(), 0, sizeof(GUID)); } devname = snd_pcm_info_get_name(info); if(!devname){ WARN("Unable to get device name for card %d, device %d\n", card, device); continue; } (*ids)[*num] = construct_device_id(flow, cardnameW, devname); get_device_guid(flow, devnode, &(*guids)[*num]); ++(*num); } HeapFree(GetProcessHeap(), 0, info); if(err != 0) WARN("Got a failure during device enumeration on card %d: %d (%s)\n", card, err, snd_strerror(err)); return S_OK; } static void get_reg_devices(EDataFlow flow, snd_pcm_stream_t stream, WCHAR ***ids, GUID **guids, UINT *num) { static const WCHAR ALSAOutputDevices[] = {'A','L','S','A','O','u','t','p','u','t','D','e','v','i','c','e','s',0}; static const WCHAR ALSAInputDevices[] = {'A','L','S','A','I','n','p','u','t','D','e','v','i','c','e','s',0}; HKEY key; WCHAR reg_devices[256]; DWORD size = sizeof(reg_devices), type; const WCHAR *value_name = (stream == SND_PCM_STREAM_PLAYBACK) ? ALSAOutputDevices : ALSAInputDevices; /* @@ Wine registry key: HKCU\Software\Wine\Drivers\winealsa.drv */ if(RegOpenKeyW(HKEY_CURRENT_USER, drv_keyW, &key) == ERROR_SUCCESS){ if(RegQueryValueExW(key, value_name, 0, &type, (BYTE*)reg_devices, &size) == ERROR_SUCCESS){ WCHAR *p = reg_devices; if(type != REG_MULTI_SZ){ ERR("Registry ALSA device list value type must be REG_MULTI_SZ\n"); RegCloseKey(key); return; } while(*p){ char devname[64]; WideCharToMultiByte(CP_UNIXCP, 0, p, -1, devname, sizeof(devname), NULL, NULL); if(alsa_try_open(devname, stream)){ if(*num){ *ids = HeapReAlloc(GetProcessHeap(), 0, *ids, sizeof(WCHAR *) * (*num + 1)); *guids = HeapReAlloc(GetProcessHeap(), 0, *guids, sizeof(GUID) * (*num + 1)); }else{ *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *)); *guids = HeapAlloc(GetProcessHeap(), 0, sizeof(GUID)); } (*ids)[*num] = construct_device_id(flow, p, NULL); get_device_guid(flow, devname, &(*guids)[*num]); ++*num; } p += lstrlenW(p) + 1; } } RegCloseKey(key); } } static HRESULT alsa_enum_devices(EDataFlow flow, WCHAR ***ids, GUID **guids, UINT *num) { snd_pcm_stream_t stream = (flow == eRender ? SND_PCM_STREAM_PLAYBACK : SND_PCM_STREAM_CAPTURE); int err, card; card = -1; *num = 0; if(alsa_try_open(defname, stream)){ *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *)); (*ids)[0] = construct_device_id(flow, defaultW, NULL); *guids = HeapAlloc(GetProcessHeap(), 0, sizeof(GUID)); get_device_guid(flow, defname, &(*guids)[0]); ++*num; } get_reg_devices(flow, stream, ids, guids, num); for(err = snd_card_next(&card); card != -1 && err >= 0; err = snd_card_next(&card)){ char cardpath[64]; char *cardname; WCHAR *cardnameW; snd_ctl_t *ctl; DWORD len; sprintf(cardpath, "hw:%u", card); if((err = snd_ctl_open(&ctl, cardpath, 0)) < 0){ WARN("Unable to open ctl for ALSA device %s: %d (%s)\n", cardpath, err, snd_strerror(err)); continue; } if(snd_card_get_name(card, &cardname) < 0) { /* FIXME: Should be localized */ static const WCHAR nameW[] = {'U','n','k','n','o','w','n',' ','s','o','u','n','d','c','a','r','d',0}; WARN("Unable to get card name for ALSA device %s: %d (%s)\n", cardpath, err, snd_strerror(err)); alsa_get_card_devices(flow, stream, ids, guids, num, ctl, card, nameW); }else{ len = MultiByteToWideChar(CP_UNIXCP, 0, cardname, -1, NULL, 0); cardnameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); if(!cardnameW){ free(cardname); snd_ctl_close(ctl); return E_OUTOFMEMORY; } MultiByteToWideChar(CP_UNIXCP, 0, cardname, -1, cardnameW, len); alsa_get_card_devices(flow, stream, ids, guids, num, ctl, card, cardnameW); HeapFree(GetProcessHeap(), 0, cardnameW); free(cardname); } snd_ctl_close(ctl); } if(err != 0) WARN("Got a failure during card enumeration: %d (%s)\n", err, snd_strerror(err)); return S_OK; } HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, GUID **guids, UINT *num, UINT *def_index) { HRESULT hr; TRACE("%d %p %p %p %p\n", flow, ids, guids, num, def_index); *ids = NULL; *guids = NULL; hr = alsa_enum_devices(flow, ids, guids, num); if(FAILED(hr)){ UINT i; for(i = 0; i < *num; ++i) HeapFree(GetProcessHeap(), 0, (*ids)[i]); HeapFree(GetProcessHeap(), 0, *ids); HeapFree(GetProcessHeap(), 0, *guids); return E_OUTOFMEMORY; } TRACE("Enumerated %u devices\n", *num); if(*num == 0){ HeapFree(GetProcessHeap(), 0, *ids); *ids = NULL; HeapFree(GetProcessHeap(), 0, *guids); *guids = NULL; } *def_index = 0; return S_OK; } /* Using the pulse PCM device from alsa-plugins 1.0.24 triggers a bug * which causes audio to cease playing after a few minutes of playback. * Setting handle_underrun=1 on pulse-backed ALSA devices seems to work * around this issue. */ static snd_config_t *make_handle_underrun_config(const char *name) { snd_config_t *lconf, *dev_node, *hu_node, *type_node; char dev_node_name[260]; const char *type_str; int err; snd_config_update(); if((err = snd_config_copy(&lconf, snd_config)) < 0){ WARN("snd_config_copy failed: %d (%s)\n", err, snd_strerror(err)); return NULL; } sprintf(dev_node_name, "pcm.%s", name); err = snd_config_search(lconf, dev_node_name, &dev_node); if(err == -ENOENT){ snd_config_delete(lconf); return NULL; } if(err < 0){ snd_config_delete(lconf); WARN("snd_config_search failed: %d (%s)\n", err, snd_strerror(err)); return NULL; } /* ALSA is extremely fragile. If it runs into a config setting it doesn't * recognize, it tends to fail or assert. So we only want to inject * handle_underrun=1 on devices that we know will recognize it. */ err = snd_config_search(dev_node, "type", &type_node); if(err == -ENOENT){ snd_config_delete(lconf); return NULL; } if(err < 0){ snd_config_delete(lconf); WARN("snd_config_search failed: %d (%s)\n", err, snd_strerror(err)); return NULL; } if((err = snd_config_get_string(type_node, &type_str)) < 0){ snd_config_delete(lconf); return NULL; } if(strcmp(type_str, "pulse") != 0){ snd_config_delete(lconf); return NULL; } err = snd_config_search(dev_node, "handle_underrun", &hu_node); if(err >= 0){ /* user already has an explicit handle_underrun setting, so don't * use a local config */ snd_config_delete(lconf); return NULL; } if(err != -ENOENT){ snd_config_delete(lconf); WARN("snd_config_search failed: %d (%s)\n", err, snd_strerror(err)); return NULL; } if((err = snd_config_imake_integer(&hu_node, "handle_underrun", 1)) < 0){ snd_config_delete(lconf); WARN("snd_config_imake_integer failed: %d (%s)\n", err, snd_strerror(err)); return NULL; } if((err = snd_config_add(dev_node, hu_node)) < 0){ snd_config_delete(lconf); WARN("snd_config_add failed: %d (%s)\n", err, snd_strerror(err)); return NULL; } return lconf; } 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; } HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev, IAudioClient **out) { ACImpl *This; int err; snd_pcm_stream_t stream; snd_config_t *lconf; static BOOL handle_underrun = TRUE; char alsa_name[256]; EDataFlow dataflow; HRESULT hr; 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; This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ACImpl)); if(!This) return E_OUTOFMEMORY; This->IAudioClient_iface.lpVtbl = &AudioClient_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; if(dataflow == eRender) stream = SND_PCM_STREAM_PLAYBACK; else if(dataflow == eCapture) stream = SND_PCM_STREAM_CAPTURE; else{ HeapFree(GetProcessHeap(), 0, This); return E_UNEXPECTED; } hr = CoCreateFreeThreadedMarshaler((IUnknown *)&This->IAudioClient_iface, &This->pUnkFTMarshal); if (FAILED(hr)) { HeapFree(GetProcessHeap(), 0, This); return hr; } This->dataflow = dataflow; if(handle_underrun && ((lconf = make_handle_underrun_config(alsa_name)))){ err = snd_pcm_open_lconf(&This->pcm_handle, alsa_name, stream, SND_PCM_NONBLOCK, lconf); TRACE("Opening PCM device \"%s\" with handle_underrun: %d\n", alsa_name, err); snd_config_delete(lconf); /* Pulse <= 2010 returns EINVAL, it does not know handle_underrun. */ if(err == -EINVAL){ ERR_(winediag)("PulseAudio \"%s\" %d without handle_underrun. Audio may hang." " Please upgrade to alsa_plugins >= 1.0.24\n", alsa_name, err); handle_underrun = FALSE; } }else err = -EINVAL; if(err == -EINVAL){ err = snd_pcm_open(&This->pcm_handle, alsa_name, stream, SND_PCM_NONBLOCK); } if(err < 0){ HeapFree(GetProcessHeap(), 0, This); 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; } } This->hw_params = HeapAlloc(GetProcessHeap(), 0, snd_pcm_hw_params_sizeof()); if(!This->hw_params){ snd_pcm_close(This->pcm_handle); HeapFree(GetProcessHeap(), 0, This); return E_OUTOFMEMORY; } InitializeCriticalSection(&This->lock); This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ACImpl.lock"); This->parent = dev; IMMDevice_AddRef(This->parent); *out = &This->IAudioClient_iface; IAudioClient_AddRef(&This->IAudioClient_iface); return S_OK; } static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioClient(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)) *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(IAudioClient *iface) { ACImpl *This = impl_from_IAudioClient(iface); ULONG ref; ref = InterlockedIncrement(&This->ref); TRACE("(%p) Refcount now %u\n", This, ref); return ref; } static ULONG WINAPI AudioClient_Release(IAudioClient *iface) { ACImpl *This = impl_from_IAudioClient(iface); 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); } IAudioClient_Stop(iface); IMMDevice_Release(This->parent); IUnknown_Release(This->pUnkFTMarshal); This->lock.DebugInfo->Spare[0] = 0; DeleteCriticalSection(&This->lock); snd_pcm_drop(This->pcm_handle); snd_pcm_close(This->pcm_handle); if(This->initted){ EnterCriticalSection(&g_sessions_lock); list_remove(&This->entry); LeaveCriticalSection(&g_sessions_lock); } HeapFree(GetProcessHeap(), 0, This->vols); HeapFree(GetProcessHeap(), 0, This->local_buffer); HeapFree(GetProcessHeap(), 0, This->remapping_buf); HeapFree(GetProcessHeap(), 0, This->silence_buf); HeapFree(GetProcessHeap(), 0, This->tmp_buffer); HeapFree(GetProcessHeap(), 0, This->hw_params); CoTaskMemFree(This->fmt); 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); InitializeCriticalSection(&ret->lock); ret->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": AudioSession.lock"); 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(ACImpl *This, BYTE *buffer, UINT32 frames) { WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)This->fmt; if((This->fmt->wFormatTag == WAVE_FORMAT_PCM || (This->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) && This->fmt->wBitsPerSample == 8) memset(buffer, 128, frames * This->fmt->nBlockAlign); else memset(buffer, 0, frames * This->fmt->nBlockAlign); } static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface, AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration, REFERENCE_TIME period, const WAVEFORMATEX *fmt, const GUID *sessionguid) { ACImpl *This = impl_from_IAudioClient(iface); 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)){ TRACE("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(&This->lock); if(This->initted){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_ALREADY_INITIALIZED; } dump_fmt(fmt); This->need_remapping = map_channels(This, fmt, &This->alsa_channels, This->alsa_channel_map) == S_OK; if((err = snd_pcm_hw_params_any(This->pcm_handle, This->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(This->pcm_handle, This->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(This->pcm_handle, This->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; } This->alsa_format = format; rate = fmt->nSamplesPerSec; if((err = snd_pcm_hw_params_set_rate_near(This->pcm_handle, This->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(This->pcm_handle, This->hw_params, This->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; } This->mmdev_period_rt = period; alsa_period_us = This->mmdev_period_rt / 10; if((err = snd_pcm_hw_params_set_period_time_near(This->pcm_handle, This->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 */ This->mmdev_period_frames = MulDiv(fmt->nSamplesPerSec, This->mmdev_period_rt, 10000000); /* Buffer 4 ALSA periods if large enough, else 4 mmdevapi periods */ This->alsa_bufsize_frames = This->mmdev_period_frames * 4; if(err < 0 || alsa_period_us < period / 10) err = snd_pcm_hw_params_set_buffer_size_near(This->pcm_handle, This->hw_params, &This->alsa_bufsize_frames); else{ unsigned int periods = 4; err = snd_pcm_hw_params_set_periods_near(This->pcm_handle, This->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(This->pcm_handle, This->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(This->hw_params, &This->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(This->hw_params, &This->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(This->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(This->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(This->pcm_handle, sw_params, This->alsa_bufsize_frames)) < 0){ WARN("Unable set stop threshold to %lu: %d (%s)\n", This->alsa_bufsize_frames, err, snd_strerror(err)); hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED; goto exit; } if((err = snd_pcm_sw_params(This->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(This->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! */ This->bufsize_frames = MulDiv(duration, fmt->nSamplesPerSec, 10000000); if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE) This->bufsize_frames -= This->bufsize_frames % This->mmdev_period_frames; This->hidden_frames = This->alsa_period_frames + This->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 */ This->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(This->alsa_bufsize_frames < 1.2 * This->mmdev_period_frames) FIXME("ALSA buffer time is too small. Expect underruns. (%lu < %u * 1.2)\n", This->alsa_bufsize_frames, This->mmdev_period_frames); This->fmt = clone_format(fmt); if(!This->fmt){ hr = E_OUTOFMEMORY; goto exit; } This->local_buffer = HeapAlloc(GetProcessHeap(), 0, This->bufsize_frames * fmt->nBlockAlign); if(!This->local_buffer){ hr = E_OUTOFMEMORY; goto exit; } silence_buffer(This, This->local_buffer, This->bufsize_frames); This->silence_buf = HeapAlloc(GetProcessHeap(), 0, This->alsa_period_frames * This->fmt->nBlockAlign); if(!This->silence_buf){ hr = E_OUTOFMEMORY; goto exit; } silence_buffer(This, This->silence_buf, This->alsa_period_frames); This->vols = HeapAlloc(GetProcessHeap(), 0, fmt->nChannels * sizeof(float)); if(!This->vols){ hr = E_OUTOFMEMORY; goto exit; } for(i = 0; i < fmt->nChannels; ++i) This->vols[i] = 1.f; This->share = mode; This->flags = flags; EnterCriticalSection(&g_sessions_lock); hr = get_audio_session(sessionguid, This->parent, fmt->nChannels, &This->session); if(FAILED(hr)){ LeaveCriticalSection(&g_sessions_lock); goto exit; } list_add_tail(&This->session->clients, &This->entry); LeaveCriticalSection(&g_sessions_lock); This->initted = TRUE; TRACE("ALSA period: %lu frames\n", This->alsa_period_frames); TRACE("ALSA buffer: %lu frames\n", This->alsa_bufsize_frames); TRACE("MMDevice period: %u frames\n", This->mmdev_period_frames); TRACE("MMDevice buffer: %u frames\n", This->bufsize_frames); exit: HeapFree(GetProcessHeap(), 0, sw_params); if(FAILED(hr)){ HeapFree(GetProcessHeap(), 0, This->local_buffer); This->local_buffer = NULL; CoTaskMemFree(This->fmt); This->fmt = NULL; HeapFree(GetProcessHeap(), 0, This->vols); This->vols = NULL; } LeaveCriticalSection(&This->lock); return hr; } static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface, UINT32 *out) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)->(%p)\n", This, out); if(!out) return E_POINTER; EnterCriticalSection(&This->lock); if(!This->initted){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } *out = This->bufsize_frames; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface, REFERENCE_TIME *latency) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)->(%p)\n", This, latency); if(!latency) return E_POINTER; EnterCriticalSection(&This->lock); if(!This->initted){ 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(This->hidden_frames, 10000000, This->fmt->nSamplesPerSec); else *latency = MulDiv(This->alsa_period_frames, 10000000, This->fmt->nSamplesPerSec) + This->mmdev_period_rt; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface, UINT32 *out) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)->(%p)\n", This, out); if(!out) return E_POINTER; EnterCriticalSection(&This->lock); if(!This->initted){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } /* padding is solely updated at callback time in shared mode */ *out = This->held_frames; LeaveCriticalSection(&This->lock); TRACE("pad: %u\n", *out); return S_OK; } static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface, AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt, WAVEFORMATEX **out) { ACImpl *This = impl_from_IAudioClient(iface); snd_pcm_format_mask_t *formats = NULL; snd_pcm_format_t format; HRESULT hr = S_OK; WAVEFORMATEX *closest = NULL; unsigned int max = 0, min = 0; int err; int alsa_channels, alsa_channel_map[32]; TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out); if(!fmt || (mode == AUDCLNT_SHAREMODE_SHARED && !out)) return E_POINTER; if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE) return E_INVALIDARG; if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && fmt->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX)) return E_INVALIDARG; dump_fmt(fmt); if(out){ *out = NULL; if(mode != AUDCLNT_SHAREMODE_SHARED) out = NULL; } if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && (fmt->nAvgBytesPerSec == 0 || fmt->nBlockAlign == 0 || ((WAVEFORMATEXTENSIBLE*)fmt)->Samples.wValidBitsPerSample > fmt->wBitsPerSample)) return E_INVALIDARG; if(fmt->nChannels == 0) return AUDCLNT_E_UNSUPPORTED_FORMAT; EnterCriticalSection(&This->lock); if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){ hr = AUDCLNT_E_DEVICE_INVALIDATED; goto exit; } formats = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_format_mask_sizeof()); if(!formats){ hr = E_OUTOFMEMORY; goto exit; } snd_pcm_hw_params_get_format_mask(This->hw_params, formats); format = alsa_format(fmt); if (format == SND_PCM_FORMAT_UNKNOWN || !snd_pcm_format_mask_test(formats, format)){ hr = AUDCLNT_E_UNSUPPORTED_FORMAT; goto exit; } closest = clone_format(fmt); if(!closest){ hr = E_OUTOFMEMORY; goto exit; } if((err = snd_pcm_hw_params_get_rate_min(This->hw_params, &min, NULL)) < 0){ hr = AUDCLNT_E_DEVICE_INVALIDATED; WARN("Unable to get min rate: %d (%s)\n", err, snd_strerror(err)); goto exit; } if((err = snd_pcm_hw_params_get_rate_max(This->hw_params, &max, NULL)) < 0){ hr = AUDCLNT_E_DEVICE_INVALIDATED; WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err)); goto exit; } if(fmt->nSamplesPerSec < min || fmt->nSamplesPerSec > max){ hr = AUDCLNT_E_UNSUPPORTED_FORMAT; goto exit; } if((err = snd_pcm_hw_params_get_channels_min(This->hw_params, &min)) < 0){ hr = AUDCLNT_E_DEVICE_INVALIDATED; WARN("Unable to get min channels: %d (%s)\n", err, snd_strerror(err)); goto exit; } if((err = snd_pcm_hw_params_get_channels_max(This->hw_params, &max)) < 0){ hr = AUDCLNT_E_DEVICE_INVALIDATED; WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err)); goto exit; } if(fmt->nChannels > max){ hr = S_FALSE; closest->nChannels = max; }else if(fmt->nChannels < min){ hr = S_FALSE; closest->nChannels = min; } map_channels(This, fmt, &alsa_channels, alsa_channel_map); if(alsa_channels > max){ hr = S_FALSE; closest->nChannels = max; } if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE) ((WAVEFORMATEXTENSIBLE*)closest)->dwChannelMask = get_channel_mask(closest->nChannels); if(fmt->nBlockAlign != fmt->nChannels * fmt->wBitsPerSample / 8 || fmt->nAvgBytesPerSec != fmt->nBlockAlign * fmt->nSamplesPerSec || (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE && ((WAVEFORMATEXTENSIBLE*)fmt)->Samples.wValidBitsPerSample < fmt->wBitsPerSample)) hr = S_FALSE; if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE && fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){ if(((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask == 0 || ((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask & SPEAKER_RESERVED) hr = S_FALSE; } exit: LeaveCriticalSection(&This->lock); HeapFree(GetProcessHeap(), 0, formats); if(hr == S_FALSE && !out) hr = AUDCLNT_E_UNSUPPORTED_FORMAT; if(hr == S_FALSE && out) { closest->nBlockAlign = closest->nChannels * closest->wBitsPerSample / 8; closest->nAvgBytesPerSec = closest->nBlockAlign * closest->nSamplesPerSec; if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE) ((WAVEFORMATEXTENSIBLE*)closest)->Samples.wValidBitsPerSample = closest->wBitsPerSample; *out = closest; } else CoTaskMemFree(closest); TRACE("returning: %08x\n", hr); return hr; } static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface, WAVEFORMATEX **pwfx) { ACImpl *This = impl_from_IAudioClient(iface); WAVEFORMATEXTENSIBLE *fmt; snd_pcm_format_mask_t *formats; unsigned int max_rate, max_channels; int err; HRESULT hr = S_OK; TRACE("(%p)->(%p)\n", This, pwfx); if(!pwfx) return E_POINTER; *pwfx = NULL; fmt = CoTaskMemAlloc(sizeof(WAVEFORMATEXTENSIBLE)); if(!fmt) return E_OUTOFMEMORY; formats = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_format_mask_sizeof()); if(!formats){ CoTaskMemFree(fmt); return E_OUTOFMEMORY; } EnterCriticalSection(&This->lock); if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){ WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_DEVICE_INVALIDATED; goto exit; } snd_pcm_hw_params_get_format_mask(This->hw_params, formats); fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){ fmt->Format.wBitsPerSample = 32; fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){ fmt->Format.wBitsPerSample = 16; fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){ fmt->Format.wBitsPerSample = 8; fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){ fmt->Format.wBitsPerSample = 32; fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){ fmt->Format.wBitsPerSample = 24; fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; }else{ ERR("Didn't recognize any available ALSA formats\n"); hr = AUDCLNT_E_DEVICE_INVALIDATED; goto exit; } if((err = snd_pcm_hw_params_get_channels_max(This->hw_params, &max_channels)) < 0){ WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_DEVICE_INVALIDATED; goto exit; } if(max_channels > 6) fmt->Format.nChannels = 2; else fmt->Format.nChannels = max_channels; if(fmt->Format.nChannels > 1 && (fmt->Format.nChannels & 0x1)){ /* For most hardware on Windows, users must choose a configuration with an even * number of channels (stereo, quad, 5.1, 7.1). Users can then disable * channels, but those channels are still reported to applications from * GetMixFormat! Some applications behave badly if given an odd number of * channels (e.g. 2.1). */ if(fmt->Format.nChannels < max_channels) fmt->Format.nChannels += 1; else /* We could "fake" more channels and downmix the emulated channels, * but at that point you really ought to tweak your ALSA setup or * just use PulseAudio. */ WARN("Some Windows applications behave badly with an odd number of channels (%u)!\n", fmt->Format.nChannels); } fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels); if((err = snd_pcm_hw_params_get_rate_max(This->hw_params, &max_rate, NULL)) < 0){ WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err)); hr = AUDCLNT_E_DEVICE_INVALIDATED; goto exit; } if(max_rate >= 48000) fmt->Format.nSamplesPerSec = 48000; else if(max_rate >= 44100) fmt->Format.nSamplesPerSec = 44100; else if(max_rate >= 22050) fmt->Format.nSamplesPerSec = 22050; else if(max_rate >= 11025) fmt->Format.nSamplesPerSec = 11025; else if(max_rate >= 8000) fmt->Format.nSamplesPerSec = 8000; else{ ERR("Unknown max rate: %u\n", max_rate); hr = AUDCLNT_E_DEVICE_INVALIDATED; goto exit; } fmt->Format.nBlockAlign = (fmt->Format.wBitsPerSample * fmt->Format.nChannels) / 8; fmt->Format.nAvgBytesPerSec = fmt->Format.nSamplesPerSec * fmt->Format.nBlockAlign; fmt->Samples.wValidBitsPerSample = fmt->Format.wBitsPerSample; fmt->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX); dump_fmt((WAVEFORMATEX*)fmt); *pwfx = (WAVEFORMATEX*)fmt; exit: LeaveCriticalSection(&This->lock); if(FAILED(hr)) CoTaskMemFree(fmt); HeapFree(GetProcessHeap(), 0, formats); return hr; } static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface, REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod) { ACImpl *This = impl_from_IAudioClient(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(ACImpl *This, BYTE *buf, snd_pcm_uframes_t frames) { snd_pcm_uframes_t i; UINT c; UINT bytes_per_sample = This->fmt->wBitsPerSample / 8; if(!This->need_remapping) return buf; if(!This->remapping_buf){ This->remapping_buf = HeapAlloc(GetProcessHeap(), 0, bytes_per_sample * This->alsa_channels * frames); This->remapping_buf_frames = frames; }else if(This->remapping_buf_frames < frames){ This->remapping_buf = HeapReAlloc(GetProcessHeap(), 0, This->remapping_buf, bytes_per_sample * This->alsa_channels * frames); This->remapping_buf_frames = frames; } snd_pcm_format_set_silence(This->alsa_format, This->remapping_buf, frames * This->alsa_channels); switch(This->fmt->wBitsPerSample){ case 8: { UINT8 *tgt_buf, *src_buf; tgt_buf = This->remapping_buf; src_buf = buf; for(i = 0; i < frames; ++i){ for(c = 0; c < This->fmt->nChannels; ++c) tgt_buf[This->alsa_channel_map[c]] = src_buf[c]; tgt_buf += This->alsa_channels; src_buf += This->fmt->nChannels; } break; } case 16: { UINT16 *tgt_buf, *src_buf; tgt_buf = (UINT16*)This->remapping_buf; src_buf = (UINT16*)buf; for(i = 0; i < frames; ++i){ for(c = 0; c < This->fmt->nChannels; ++c) tgt_buf[This->alsa_channel_map[c]] = src_buf[c]; tgt_buf += This->alsa_channels; src_buf += This->fmt->nChannels; } } break; case 32: { UINT32 *tgt_buf, *src_buf; tgt_buf = (UINT32*)This->remapping_buf; src_buf = (UINT32*)buf; for(i = 0; i < frames; ++i){ for(c = 0; c < This->fmt->nChannels; ++c) tgt_buf[This->alsa_channel_map[c]] = src_buf[c]; tgt_buf += This->alsa_channels; src_buf += This->fmt->nChannels; } } break; default: { BYTE *tgt_buf, *src_buf; tgt_buf = This->remapping_buf; src_buf = buf; for(i = 0; i < frames; ++i){ for(c = 0; c < This->fmt->nChannels; ++c) memcpy(&tgt_buf[This->alsa_channel_map[c] * bytes_per_sample], &src_buf[c * bytes_per_sample], bytes_per_sample); tgt_buf += This->alsa_channels * bytes_per_sample; src_buf += This->fmt->nChannels * bytes_per_sample; } } break; } return This->remapping_buf; } static void adjust_buffer_volume(const ACImpl *This, BYTE *buf, snd_pcm_uframes_t frames, BOOL mute) { float vol[ARRAY_SIZE(This->alsa_channel_map)]; BOOL adjust = FALSE; UINT32 i, channels; BYTE *end; if (This->vol_adjusted_frames >= frames) return; channels = This->fmt->nChannels; if (mute) { int err = snd_pcm_format_set_silence(This->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 * This->fmt->nBlockAlign; buf += This->vol_adjusted_frames * This->fmt->nBlockAlign; switch (This->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 (This->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", This->alsa_format); break; } } static snd_pcm_sframes_t alsa_write_best_effort(ACImpl *This, BYTE *buf, snd_pcm_uframes_t frames, BOOL mute) { snd_pcm_sframes_t written; adjust_buffer_volume(This, buf, frames, mute); /* Mark the frames we've already adjusted */ if (This->vol_adjusted_frames < frames) This->vol_adjusted_frames = frames; buf = remap_channels(This, buf, frames); written = snd_pcm_writei(This->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(This->pcm_handle, written, 0); if(ret < 0){ WARN("Could not recover: %d (%s)\n", ret, snd_strerror(ret)); return ret; } written = snd_pcm_writei(This->pcm_handle, buf, frames); } if (written > 0) This->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) { 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 * This->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) { UINT32 diff; diff = buf_ptr_diff(This->lcl_offs_frames, This->wri_offs_frames, This->bufsize_frames); if(diff) return diff; return This->held_frames - This->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) { 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(This->pcm_handle); if(snd_pcm_state(This->pcm_handle) == SND_PCM_STATE_XRUN){ TRACE("XRun state, recovering\n"); avail = This->alsa_bufsize_frames; if((err = snd_pcm_recover(This->pcm_handle, -EPIPE, 1)) < 0) WARN("snd_pcm_recover failed: %d (%s)\n", err, snd_strerror(err)); if((err = snd_pcm_reset(This->pcm_handle)) < 0) WARN("snd_pcm_reset failed: %d (%s)\n", err, snd_strerror(err)); if((err = snd_pcm_prepare(This->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(This->data_in_alsa_frames == 0 && This->held_frames < This->alsa_period_frames) { alsa_write_best_effort(This, This->silence_buf, This->alsa_period_frames - This->held_frames, FALSE); This->vol_adjusted_frames = 0; } if(This->started) max_copy_frames = data_not_in_alsa(This); else max_copy_frames = 0; data_frames_played = min(This->data_in_alsa_frames, avail); This->data_in_alsa_frames -= data_frames_played; if(This->held_frames > data_frames_played){ if(This->started) This->held_frames -= data_frames_played; }else This->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, This->local_buffer, This->bufsize_frames, This->lcl_offs_frames, to_write); if(written <= 0) break; avail -= written; This->lcl_offs_frames += written; This->lcl_offs_frames %= This->bufsize_frames; This->data_in_alsa_frames += written; max_copy_frames -= written; } if(This->event) SetEvent(This->event); } static void alsa_read_data(ACImpl *This) { snd_pcm_sframes_t nread; UINT32 pos = This->wri_offs_frames, limit = This->held_frames; if(!This->started) goto exit; /* FIXME: Detect overrun and signal DATA_DISCONTINUITY * How to count overrun frames and report them as position increase? */ limit = This->bufsize_frames - max(limit, pos); nread = snd_pcm_readi(This->pcm_handle, This->local_buffer + pos * This->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(This->pcm_handle, nread, 0); if(ret < 0){ WARN("Recover failed: %d (%s)\n", ret, snd_strerror(ret)); return; } nread = snd_pcm_readi(This->pcm_handle, This->local_buffer + pos * This->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(This->alsa_format, This->local_buffer + pos * This->fmt->nBlockAlign, nread)) < 0) WARN("Setting buffer to silence failed: %d (%s)\n", err, snd_strerror(err)); } This->wri_offs_frames += nread; This->wri_offs_frames %= This->bufsize_frames; This->held_frames += nread; exit: if(This->event) SetEvent(This->event); } static void CALLBACK alsa_push_buffer_data(void *user, BOOLEAN timer) { ACImpl *This = user; EnterCriticalSection(&This->lock); QueryPerformanceCounter(&This->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(ACImpl *This) { LARGE_INTEGER time_freq, current_time, time_diff; QueryPerformanceFrequency(&time_freq); QueryPerformanceCounter(¤t_time); time_diff.QuadPart = current_time.QuadPart - This->last_period_time.QuadPart; return MulDiv(time_diff.QuadPart, This->fmt->nSamplesPerSec, time_freq.QuadPart); } static int alsa_rewind_best_effort(ACImpl *This) { 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(This) + This->safe_rewind_frames; if(This->held_frames < leave) This->held_frames = 0; else This->held_frames -= leave; if(This->data_in_alsa_frames < leave) len = 0; else len = This->data_in_alsa_frames - leave; TRACE("rewinding %lu frames, now held %u\n", len, This->held_frames); if(len) /* snd_pcm_rewind return value is often broken, assume it succeeded */ snd_pcm_rewind(This->pcm_handle, len); This->data_in_alsa_frames = 0; return len; } static HRESULT WINAPI AudioClient_Start(IAudioClient *iface) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)\n", This); EnterCriticalSection(&This->lock); if(!This->initted){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_EVENTHANDLE_NOT_SET; } if(This->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(This->pcm_handle, This->local_buffer, This->bufsize_frames); }else{ snd_pcm_sframes_t avail, written; snd_pcm_uframes_t offs; avail = snd_pcm_avail_update(This->pcm_handle); avail = min(avail, This->held_frames); if(This->wri_offs_frames < This->held_frames) offs = This->bufsize_frames - This->held_frames + This->wri_offs_frames; else offs = This->wri_offs_frames - This->held_frames; /* fill it with data */ written = alsa_write_buffer_wrap(This, This->local_buffer, This->bufsize_frames, offs, avail); if(written > 0){ This->lcl_offs_frames = (offs + written) % This->bufsize_frames; This->data_in_alsa_frames = written; }else{ This->lcl_offs_frames = offs; This->data_in_alsa_frames = 0; } } if(!This->timer){ if(!CreateTimerQueueTimer(&This->timer, g_timer_q, alsa_push_buffer_data, This, 0, This->mmdev_period_rt / 10000, WT_EXECUTEINTIMERTHREAD)){ LeaveCriticalSection(&This->lock); WARN("Unable to create timer: %u\n", GetLastError()); return E_OUTOFMEMORY; } } This->started = TRUE; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)\n", This); EnterCriticalSection(&This->lock); if(!This->initted){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if(!This->started){ LeaveCriticalSection(&This->lock); return S_FALSE; } if(This->dataflow == eRender) alsa_rewind_best_effort(This); This->started = FALSE; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)\n", This); EnterCriticalSection(&This->lock); if(!This->initted){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if(This->started){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_STOPPED; } if(This->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_BUFFER_OPERATION_PENDING; } if(snd_pcm_drop(This->pcm_handle) < 0) WARN("snd_pcm_drop failed\n"); if(snd_pcm_reset(This->pcm_handle) < 0) WARN("snd_pcm_reset failed\n"); if(snd_pcm_prepare(This->pcm_handle) < 0) WARN("snd_pcm_prepare failed\n"); if(This->dataflow == eRender){ This->written_frames = 0; This->last_pos_frames = 0; }else{ This->written_frames += This->held_frames; } This->held_frames = 0; This->lcl_offs_frames = 0; This->wri_offs_frames = 0; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface, HANDLE event) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)->(%p)\n", This, event); if(!event) return E_INVALIDARG; EnterCriticalSection(&This->lock); if(!This->initted){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_NOT_INITIALIZED; } if(!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK)){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED; } if (This->event){ LeaveCriticalSection(&This->lock); FIXME("called twice\n"); return HRESULT_FROM_WIN32(ERROR_INVALID_NAME); } This->event = event; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid, void **ppv) { ACImpl *This = impl_from_IAudioClient(iface); TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv); if(!ppv) return E_POINTER; *ppv = NULL; EnterCriticalSection(&This->lock); if(!This->initted){ 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 const IAudioClientVtbl AudioClient_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 }; 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->IAudioClient_iface); } static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface) { ACImpl *This = impl_from_IAudioRenderClient(iface); return AudioClient_Release(&This->IAudioClient_iface); } static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface, UINT32 frames, BYTE **data) { ACImpl *This = impl_from_IAudioRenderClient(iface); UINT32 write_pos; TRACE("(%p)->(%u, %p)\n", This, frames, data); if(!data) return E_POINTER; *data = NULL; EnterCriticalSection(&This->lock); if(This->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } if(!frames){ LeaveCriticalSection(&This->lock); return S_OK; } /* held_frames == GetCurrentPadding_nolock(); */ if(This->held_frames + frames > This->bufsize_frames){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_BUFFER_TOO_LARGE; } write_pos = This->wri_offs_frames; if(write_pos + frames > This->bufsize_frames){ if(This->tmp_buffer_frames < frames){ HeapFree(GetProcessHeap(), 0, This->tmp_buffer); This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, frames * This->fmt->nBlockAlign); if(!This->tmp_buffer){ LeaveCriticalSection(&This->lock); return E_OUTOFMEMORY; } This->tmp_buffer_frames = frames; } *data = This->tmp_buffer; This->getbuf_last = -frames; }else{ *data = This->local_buffer + write_pos * This->fmt->nBlockAlign; This->getbuf_last = frames; } silence_buffer(This, *data, frames); LeaveCriticalSection(&This->lock); return S_OK; } static void alsa_wrap_buffer(ACImpl *This, BYTE *buffer, UINT32 written_frames) { snd_pcm_uframes_t write_offs_frames = This->wri_offs_frames; UINT32 write_offs_bytes = write_offs_frames * This->fmt->nBlockAlign; snd_pcm_uframes_t chunk_frames = This->bufsize_frames - write_offs_frames; UINT32 chunk_bytes = chunk_frames * This->fmt->nBlockAlign; UINT32 written_bytes = written_frames * This->fmt->nBlockAlign; if(written_bytes <= chunk_bytes){ memcpy(This->local_buffer + write_offs_bytes, buffer, written_bytes); }else{ memcpy(This->local_buffer + write_offs_bytes, buffer, chunk_bytes); memcpy(This->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); BYTE *buffer; TRACE("(%p)->(%u, %x)\n", This, written_frames, flags); EnterCriticalSection(&This->lock); if(!written_frames){ This->getbuf_last = 0; LeaveCriticalSection(&This->lock); return S_OK; } if(!This->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } if(written_frames > (This->getbuf_last >= 0 ? This->getbuf_last : -This->getbuf_last)){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_INVALID_SIZE; } if(This->getbuf_last >= 0) buffer = This->local_buffer + This->wri_offs_frames * This->fmt->nBlockAlign; else buffer = This->tmp_buffer; if(flags & AUDCLNT_BUFFERFLAGS_SILENT) silence_buffer(This, buffer, written_frames); if(This->getbuf_last < 0) alsa_wrap_buffer(This, buffer, written_frames); This->wri_offs_frames += written_frames; This->wri_offs_frames %= This->bufsize_frames; This->held_frames += written_frames; This->written_frames += written_frames; This->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 IAudioClient_AddRef(&This->IAudioClient_iface); } static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface) { ACImpl *This = impl_from_IAudioCaptureClient(iface); return IAudioClient_Release(&This->IAudioClient_iface); } static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface, BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos, UINT64 *qpcpos) { ACImpl *This = impl_from_IAudioCaptureClient(iface); 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(This->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } /* hr = GetNextPacketSize(iface, frames); */ if(This->held_frames < This->mmdev_period_frames){ *frames = 0; LeaveCriticalSection(&This->lock); return AUDCLNT_S_BUFFER_EMPTY; } *frames = This->mmdev_period_frames; if(This->lcl_offs_frames + *frames > This->bufsize_frames){ UINT32 chunk_bytes, offs_bytes, frames_bytes; if(This->tmp_buffer_frames < *frames){ HeapFree(GetProcessHeap(), 0, This->tmp_buffer); This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, *frames * This->fmt->nBlockAlign); if(!This->tmp_buffer){ LeaveCriticalSection(&This->lock); return E_OUTOFMEMORY; } This->tmp_buffer_frames = *frames; } *data = This->tmp_buffer; chunk_bytes = (This->bufsize_frames - This->lcl_offs_frames) * This->fmt->nBlockAlign; offs_bytes = This->lcl_offs_frames * This->fmt->nBlockAlign; frames_bytes = *frames * This->fmt->nBlockAlign; memcpy(This->tmp_buffer, This->local_buffer + offs_bytes, chunk_bytes); memcpy(This->tmp_buffer + chunk_bytes, This->local_buffer, frames_bytes - chunk_bytes); }else *data = This->local_buffer + This->lcl_offs_frames * This->fmt->nBlockAlign; This->getbuf_last = *frames; *flags = 0; if(devpos) *devpos = This->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); TRACE("(%p)->(%u)\n", This, done); EnterCriticalSection(&This->lock); if(!done){ This->getbuf_last = 0; LeaveCriticalSection(&This->lock); return S_OK; } if(!This->getbuf_last){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_OUT_OF_ORDER; } if(This->getbuf_last != done){ LeaveCriticalSection(&This->lock); return AUDCLNT_E_INVALID_SIZE; } This->written_frames += done; This->held_frames -= done; This->lcl_offs_frames += done; This->lcl_offs_frames %= This->bufsize_frames; This->getbuf_last = 0; LeaveCriticalSection(&This->lock); return S_OK; } static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize( IAudioCaptureClient *iface, UINT32 *frames) { ACImpl *This = impl_from_IAudioCaptureClient(iface); TRACE("(%p)->(%p)\n", This, frames); if(!frames) return E_POINTER; EnterCriticalSection(&This->lock); *frames = This->held_frames < This->mmdev_period_frames ? 0 : This->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 IAudioClient_AddRef(&This->IAudioClient_iface); } static ULONG WINAPI AudioClock_Release(IAudioClock *iface) { ACImpl *This = impl_from_IAudioClock(iface); return IAudioClient_Release(&This->IAudioClient_iface); } static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq) { ACImpl *This = impl_from_IAudioClock(iface); TRACE("(%p)->(%p)\n", This, freq); if(This->share == AUDCLNT_SHAREMODE_SHARED) *freq = (UINT64)This->fmt->nSamplesPerSec * This->fmt->nBlockAlign; else *freq = This->fmt->nSamplesPerSec; return S_OK; } static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos, UINT64 *qpctime) { ACImpl *This = impl_from_IAudioClock(iface); 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(This->pcm_handle); alsa_state = snd_pcm_state(This->pcm_handle); if(This->dataflow == eRender){ position = This->written_frames - This->held_frames; if(This->started && alsa_state == SND_PCM_STATE_RUNNING && This->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(This); position = min(position, This->written_frames - This->held_frames + This->mmdev_period_frames); position = min(position, This->written_frames); }else position = This->written_frames + This->held_frames; /* ensure monotic growth */ if(position < This->last_pos_frames) position = This->last_pos_frames; else This->last_pos_frames = position; TRACE("frames written: %u, held: %u, state: 0x%x, position: %u\n", (UINT32)(This->written_frames%1000000000), This->held_frames, alsa_state, (UINT32)(position%1000000000)); LeaveCriticalSection(&This->lock); if(This->share == AUDCLNT_SHAREMODE_SHARED) *pos = position * This->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 IAudioClient_AddRef(&This->IAudioClient_iface); } static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface) { ACImpl *This = impl_from_IAudioClock2(iface); return IAudioClient_Release(&This->IAudioClient_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->IAudioClient_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->IAudioClient_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->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(&session->lock); session->master_vol = level; LeaveCriticalSection(&session->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 IAudioClient_AddRef(&This->IAudioClient_iface); } static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface) { ACImpl *This = impl_from_IAudioStreamVolume(iface); return IAudioClient_Release(&This->IAudioClient_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->fmt->nChannels; 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->fmt->nChannels) 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->fmt->nChannels) 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->fmt->nChannels) 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->fmt->nChannels) 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(&session->lock); session->channel_vols[index] = level; LeaveCriticalSection(&session->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(&session->lock); for(i = 0; i < count; ++i) session->channel_vols[i] = levels[i]; LeaveCriticalSection(&session->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->u.pwszVal = CoTaskMemAlloc(128 * sizeof(WCHAR)); if(!out->u.pwszVal) return E_OUTOFMEMORY; if(connection == AudioDeviceConnectionType_USB) sprintfW( out->u.pwszVal, usbformatW, vendor_id, product_id, device, serial_number); else if(connection == AudioDeviceConnectionType_PCI) sprintfW( out->u.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->u.ulVal = KSAUDIO_SPEAKER_STEREO; else if (num_speakers == 6) out->u.ulVal = KSAUDIO_SPEAKER_5POINT1; else if (num_speakers >= 4) out->u.ulVal = KSAUDIO_SPEAKER_QUAD; else if (num_speakers >= 2) out->u.ulVal = KSAUDIO_SPEAKER_STEREO; else if (num_speakers == 1) out->u.ulVal = KSAUDIO_SPEAKER_MONO; return S_OK; } TRACE("Unimplemented property %s,%u\n", wine_dbgstr_guid(&prop->fmtid), prop->pid); return E_NOTIMPL; }