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/*
* 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 "ole2.h"
#include "mmdeviceapi.h"
#include "devpkey.h"
#include "dshow.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;
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;
snd_pcm_hw_params_t *hw_params; /* does not hold state between calls */
snd_pcm_format_t alsa_format;
IMMDevice *parent;
EDataFlow dataflow;
WAVEFORMATEX *fmt;
DWORD flags;
AUDCLNT_SHAREMODE share;
HANDLE event;
float *vols;
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;
UINT32 lcl_offs_frames; /* offs into local_buffer where valid data starts */
HANDLE timer;
BYTE *local_buffer, *tmp_buffer;
int buf_state;
CRITICAL_SECTION lock;
AudioSession *session;
AudioSessionWrapper *session_wrapper;
struct list entry;
};
enum BufferStates {
NOT_LOCKED = 0,
LOCKED_NORMAL, /* public buffer piece is from local_buffer */
LOCKED_WRAPPED /* public buffer piece is wrapped around, in tmp_buffer */
};
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 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:
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 BOOL alsa_try_open(const char *devnode, snd_pcm_stream_t stream)
{
snd_pcm_t *handle;
int err;
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 HRESULT alsa_get_card_devices(snd_pcm_stream_t stream, WCHAR **ids, char **keys,
UINT *num, snd_ctl_t *ctl, int card, const WCHAR *cardnameW)
{
static const WCHAR dashW[] = {' ','-',' ',0};
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(ids && keys){
DWORD len, cardlen;
devname = snd_pcm_info_get_name(info);
if(!devname){
WARN("Unable to get device name for card %d, device %d\n", card,
device);
continue;
}
cardlen = lstrlenW(cardnameW);
len = MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, NULL, 0);
len += lstrlenW(dashW);
len += cardlen;
ids[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if(!ids[*num]){
HeapFree(GetProcessHeap(), 0, info);
return E_OUTOFMEMORY;
}
memcpy(ids[*num], cardnameW, cardlen * sizeof(WCHAR));
memcpy(ids[*num] + cardlen, dashW, lstrlenW(dashW) * sizeof(WCHAR));
cardlen += lstrlenW(dashW);
MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, ids[*num] + cardlen,
len - cardlen);
keys[*num] = HeapAlloc(GetProcessHeap(), 0, 32);
if(!keys[*num]){
HeapFree(GetProcessHeap(), 0, info);
HeapFree(GetProcessHeap(), 0, ids[*num]);
return E_OUTOFMEMORY;
}
memcpy(keys[*num], devnode, sizeof(devnode));
}
++(*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 HRESULT alsa_enum_devices(EDataFlow flow, WCHAR **ids, char **keys,
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)){
if(ids && keys){
*ids = HeapAlloc(GetProcessHeap(), 0, sizeof(defaultW));
memcpy(*ids, defaultW, sizeof(defaultW));
*keys = HeapAlloc(GetProcessHeap(), 0, sizeof(defname));
memcpy(*keys, defname, sizeof(defname));
}
++*num;
}
for(err = snd_card_next(&card); card != -1 && err >= 0;
err = snd_card_next(&card)){
char cardpath[64];
const 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((err = snd_card_get_name(card, (char **)&cardname)) < 0){
WARN("Unable to get card name for ALSA device %s: %d (%s)\n",
cardpath, err, snd_strerror(err));
/* FIXME: Should be localized */
cardname = "Unknown soundcard";
}
len = MultiByteToWideChar(CP_UNIXCP, 0, cardname, -1, NULL, 0);
cardnameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if(!cardnameW){
snd_ctl_close(ctl);
return E_OUTOFMEMORY;
}
MultiByteToWideChar(CP_UNIXCP, 0, cardname, -1, cardnameW, len);
alsa_get_card_devices(stream, ids, keys, num, ctl, card, cardnameW);
HeapFree(GetProcessHeap(), 0, cardnameW);
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, char ***keys,
UINT *num, UINT *def_index)
{
HRESULT hr;
TRACE("%d %p %p %p %p\n", flow, ids, keys, num, def_index);
hr = alsa_enum_devices(flow, NULL, NULL, num);
if(FAILED(hr))
return hr;
if(*num == 0)
{
*ids = NULL;
*keys = NULL;
return S_OK;
}
*ids = HeapAlloc(GetProcessHeap(), 0, *num * sizeof(WCHAR *));
*keys = HeapAlloc(GetProcessHeap(), 0, *num * sizeof(char *));
if(!*ids || !*keys){
HeapFree(GetProcessHeap(), 0, *ids);
HeapFree(GetProcessHeap(), 0, *keys);
return E_OUTOFMEMORY;
}
*def_index = 0;
hr = alsa_enum_devices(flow, *ids, *keys, num);
if(FAILED(hr)){
int i;
for(i = 0; i < *num; ++i){
HeapFree(GetProcessHeap(), 0, (*ids)[i]);
HeapFree(GetProcessHeap(), 0, (*keys)[i]);
}
HeapFree(GetProcessHeap(), 0, *ids);
HeapFree(GetProcessHeap(), 0, *keys);
return E_OUTOFMEMORY;
}
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[64];
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;
}
HRESULT WINAPI AUDDRV_GetAudioEndpoint(const char *key, IMMDevice *dev,
EDataFlow dataflow, IAudioClient **out)
{
ACImpl *This;
int err;
snd_pcm_stream_t stream;
snd_config_t *lconf;
static int handle_underrun = 1;
TRACE("\"%s\" %p %d %p\n", key, dev, dataflow, out);
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;
}
This->dataflow = dataflow;
if(handle_underrun && ((lconf = make_handle_underrun_config(key)))){
err = snd_pcm_open_lconf(&This->pcm_handle, key, stream, SND_PCM_NONBLOCK, lconf);
TRACE("Opening PCM device \"%s\" with handle_underrun: %d\n", key, 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", key, err);
handle_underrun = 0;
}
}else
err = -EINVAL;
if(err == -EINVAL){
err = snd_pcm_open(&This->pcm_handle, key, stream, SND_PCM_NONBLOCK);
}
if(err < 0){
HeapFree(GetProcessHeap(), 0, This);
WARN("Unable to open PCM \"%s\": %d (%s)\n", key, err, snd_strerror(err));
return E_FAIL;
}
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)
{
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;
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){
IAudioClient_Stop(iface);
IMMDevice_Release(This->parent);
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->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 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 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;
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
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 AUDCLNT_E_NOT_INITIALIZED;
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(!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);
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 = E_FAIL;
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 = E_FAIL;
goto exit;
}
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);
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}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);
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else{
WARN("Unknown wave format: %04x\n", fmt->wFormatTag);
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 = E_FAIL;
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 = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params_set_channels(This->pcm_handle, This->hw_params,
fmt->nChannels)) < 0){
WARN("Unable to set channels to %u: %d (%s)\n", fmt->nChannels, err,
snd_strerror(err));
hr = E_FAIL;
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);
This->bufsize_frames = MulDiv(duration, fmt->nSamplesPerSec, 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 = E_FAIL;
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 = E_FAIL;
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 = E_FAIL;
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 = E_FAIL;
goto exit;
}
if((err = snd_pcm_sw_params_set_start_threshold(This->pcm_handle,
sw_params, 1)) < 0){
WARN("Unable set start threshold to 0: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
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 = E_FAIL;
goto exit;
}
if((err = snd_pcm_sw_params(This->pcm_handle, sw_params)) < 0){
WARN("Unable set sw params: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_prepare(This->pcm_handle)) < 0){
WARN("Unable to prepare device: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
/* 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->local_buffer = HeapAlloc(GetProcessHeap(), 0,
This->bufsize_frames * fmt->nBlockAlign);
if(!This->local_buffer){
hr = E_OUTOFMEMORY;
goto exit;
}
if (fmt->wBitsPerSample == 8)
memset(This->local_buffer, 128, This->bufsize_frames * fmt->nBlockAlign);
else
memset(This->local_buffer, 0, This->bufsize_frames * fmt->nBlockAlign);
This->fmt = clone_format(fmt);
if(!This->fmt){
hr = E_OUTOFMEMORY;
goto exit;
}
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;
}
LeaveCriticalSection(&This->lock);
*latency = 500000;
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;
}
*out = This->held_frames;
/* call required to get accurate snd_pcm_state() */
snd_pcm_avail_update(This->pcm_handle);
TRACE("pad: %u, state: %u\n", *out, snd_pcm_state(This->pcm_handle));
LeaveCriticalSection(&This->lock);
return S_OK;
}
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; /* not 7POINT1_SURROUND */
}
FIXME("Unknown speaker configuration: %u\n", channels);
return 0;
}
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;
HRESULT hr = S_OK;
WAVEFORMATEX *closest = NULL;
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
unsigned int max = 0, min = 0;
int err;
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;
}
EnterCriticalSection(&This->lock);
if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
hr = E_FAIL;
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);
if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
switch(fmt->wBitsPerSample){
case 8:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 16:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 24:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 32:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
default:
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
switch(fmt->wBitsPerSample){
case 32:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 64:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT64_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
default:
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else{
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 = E_FAIL;
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 = E_FAIL;
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 = E_FAIL;
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 = E_FAIL;
WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
goto exit;
}
if(max > 8)
max = 2;
if(fmt->nChannels > max){
hr = S_FALSE;
closest->nChannels = max;
}else if(fmt->nChannels < min){
hr = S_FALSE;
closest->nChannels = min;
}
if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
DWORD mask = get_channel_mask(closest->nChannels);
((WAVEFORMATEXTENSIBLE*)closest)->dwChannelMask = mask;
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
fmtex->dwChannelMask != 0 &&
fmtex->dwChannelMask != mask)
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;
*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 = E_FAIL;
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 = E_FAIL;
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 = E_FAIL;
goto exit;
}
if(max_channels > 2){
FIXME("Don't know what to do with %u channels, pretending there's "
"only 2 channels\n", max_channels);
fmt->Format.nChannels = 2;
}else
fmt->Format.nChannels = max_channels;
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 = E_FAIL;
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 = E_FAIL;
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 = MinimumPeriod;
return S_OK;
}
static snd_pcm_sframes_t alsa_write_best_effort(snd_pcm_t *handle, BYTE *buf,
snd_pcm_uframes_t frames, ACImpl *This)
{
snd_pcm_sframes_t written;
if(This->session->mute){
int err;
if((err = snd_pcm_format_set_silence(This->alsa_format, buf,
frames * This->fmt->nChannels)) < 0)
WARN("Setting buffer to silence failed: %d (%s)\n", err,
snd_strerror(err));
}
written = snd_pcm_writei(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(handle, written, 0);
if(ret < 0){
WARN("Could not recover: %d (%s)\n", ret, snd_strerror(ret));
return ret;
}
written = snd_pcm_writei(handle, buf, frames);
}
return written;
}
static void alsa_write_data(ACImpl *This)
{
snd_pcm_sframes_t written;
snd_pcm_uframes_t to_write, avail, write_limit, max_period, in_alsa;
int err;
BYTE *buf =
This->local_buffer + (This->lcl_offs_frames * This->fmt->nBlockAlign);
/* 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 ||
avail > This->alsa_bufsize_frames){
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));
}
if(This->held_frames == 0)
return;
if(This->lcl_offs_frames + This->held_frames > This->bufsize_frames)
to_write = This->bufsize_frames - This->lcl_offs_frames;
else
to_write = This->held_frames;
max_period = max(This->mmdev_period_frames, This->alsa_period_frames);
/* try to keep 3 ALSA periods or 3 MMDevAPI periods in the ALSA buffer and
* no more */
write_limit = 0;
in_alsa = This->alsa_bufsize_frames - avail;
while(in_alsa + write_limit < max_period * 3)
write_limit += max_period;
if(write_limit == 0)
return;
to_write = min(to_write, write_limit);
written = alsa_write_best_effort(This->pcm_handle, buf, to_write, This);
if(written < 0){
WARN("Couldn't write: %ld (%s)\n", written, snd_strerror(written));
return;
}
This->lcl_offs_frames += written;
This->lcl_offs_frames %= This->bufsize_frames;
This->held_frames -= written;
if(written < to_write){
/* ALSA buffer probably full */
return;
}
if(This->held_frames && (written < write_limit)){
/* wrapped and have some data back at the start to write */
written = alsa_write_best_effort(This->pcm_handle, This->local_buffer,
min(This->held_frames, write_limit - written), This);
if(written < 0){
WARN("Couldn't write: %ld (%s)\n", written, snd_strerror(written));
return;
}
This->lcl_offs_frames += written;
This->lcl_offs_frames %= This->bufsize_frames;
This->held_frames -= written;
}
}
static void alsa_read_data(ACImpl *This)
{
snd_pcm_sframes_t pos, readable, nread;
pos = (This->held_frames + This->lcl_offs_frames) % This->bufsize_frames;
readable = This->bufsize_frames - pos;
nread = snd_pcm_readi(This->pcm_handle,
This->local_buffer + pos * This->fmt->nBlockAlign, readable);
if(nread < 0){
int ret;
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, readable);
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->held_frames += nread;
if(This->held_frames > This->bufsize_frames){
WARN("Overflow of unread data\n");
This->lcl_offs_frames += This->held_frames;
This->lcl_offs_frames %= This->bufsize_frames;
This->held_frames = This->bufsize_frames;
}
}
static void CALLBACK alsa_push_buffer_data(void *user, BOOLEAN timer)
{
ACImpl *This = user;
EnterCriticalSection(&This->lock);
if(This->started){
if(This->dataflow == eRender)
alsa_write_data(This);
else if(This->dataflow == eCapture)
alsa_read_data(This);
if(This->event)
SetEvent(This->event);
}
LeaveCriticalSection(&This->lock);
}
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);
}
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_FAIL;
}
This->started = TRUE;
LeaveCriticalSection(&This->lock);
return S_OK;
}
static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
{
ACImpl *This = impl_from_IAudioClient(iface);
HANDLE event;
BOOL wait;
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(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");
event = CreateEventW(NULL, TRUE, FALSE, NULL);
wait = !DeleteTimerQueueTimer(g_timer_q, This->timer, event);
if(wait)
WARN("DeleteTimerQueueTimer error %u\n", GetLastError());
wait = wait && GetLastError() == ERROR_IO_PENDING;
This->started = FALSE;
LeaveCriticalSection(&This->lock);
if(event && wait)
WaitForSingleObject(event, INFINITE);
CloseHandle(event);
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->buf_state != NOT_LOCKED){
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");
This->last_pos_frames = 0;
This->held_frames = 0;
This->written_frames = 0;
This->lcl_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;
}
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)
{
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;
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;
UINT32 pad;
HRESULT hr;
TRACE("(%p)->(%u, %p)\n", This, frames, data);
if(!data)
return E_POINTER;
EnterCriticalSection(&This->lock);
if(This->buf_state != NOT_LOCKED){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_OUT_OF_ORDER;
}
if(!frames){
This->buf_state = LOCKED_NORMAL;
LeaveCriticalSection(&This->lock);
return S_OK;
}
hr = IAudioClient_GetCurrentPadding(&This->IAudioClient_iface, &pad);
if(FAILED(hr)){
LeaveCriticalSection(&This->lock);
return hr;
}
if(pad + frames > This->bufsize_frames){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_BUFFER_TOO_LARGE;
}
write_pos =
(This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
if(write_pos + frames > This->bufsize_frames){
if(This->tmp_buffer_frames < frames){
if(This->tmp_buffer)
This->tmp_buffer = HeapReAlloc(GetProcessHeap(), 0,
This->tmp_buffer, frames * This->fmt->nBlockAlign);
else
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->buf_state = LOCKED_WRAPPED;
}else{
*data = This->local_buffer + write_pos * This->fmt->nBlockAlign;
This->buf_state = LOCKED_NORMAL;
}
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->lcl_offs_frames + This->held_frames) % This->bufsize_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(This->buf_state == NOT_LOCKED || !written_frames){
This->buf_state = NOT_LOCKED;
LeaveCriticalSection(&This->lock);
return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
}
if(This->buf_state == LOCKED_NORMAL)
buffer = This->local_buffer + This->fmt->nBlockAlign *
((This->lcl_offs_frames + This->held_frames) % This->bufsize_frames);
else
buffer = This->tmp_buffer;
if(flags & AUDCLNT_BUFFERFLAGS_SILENT){
if(This->fmt->wBitsPerSample == 8)
memset(buffer, 128, written_frames * This->fmt->nBlockAlign);
else
memset(buffer, 0, written_frames * This->fmt->nBlockAlign);
}
if(This->buf_state == LOCKED_WRAPPED)
alsa_wrap_buffer(This, buffer, written_frames);
This->held_frames += written_frames;
This->written_frames += written_frames;
This->buf_state = NOT_LOCKED;
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)
{
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;
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);
HRESULT hr;
TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
devpos, qpcpos);
if(!data || !frames || !flags)
return E_POINTER;
EnterCriticalSection(&This->lock);
if(This->buf_state != NOT_LOCKED){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_OUT_OF_ORDER;
}
hr = IAudioCaptureClient_GetNextPacketSize(iface, frames);
if(FAILED(hr)){
LeaveCriticalSection(&This->lock);
return hr;
}
*flags = 0;
if(This->lcl_offs_frames + *frames > This->bufsize_frames){
UINT32 chunk_bytes, offs_bytes, frames_bytes;
if(This->tmp_buffer_frames < *frames){
if(This->tmp_buffer)
This->tmp_buffer = HeapReAlloc(GetProcessHeap(), 0,
This->tmp_buffer, *frames * This->fmt->nBlockAlign);
else
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->buf_state = LOCKED_NORMAL;
if(devpos || qpcpos)
IAudioClock_GetPosition(&This->IAudioClock_iface, devpos, qpcpos);
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(This->buf_state == NOT_LOCKED){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_OUT_OF_ORDER;
}
This->held_frames -= done;
This->lcl_offs_frames += done;
This->lcl_offs_frames %= This->bufsize_frames;
This->buf_state = NOT_LOCKED;
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);
return AudioClient_GetCurrentPadding(&This->IAudioClient_iface, frames);
}
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);
*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 written_frames, position;
UINT32 held_frames;
int err;
snd_pcm_state_t alsa_state;
snd_pcm_uframes_t avail_frames;
snd_pcm_sframes_t delay_frames;
TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
if(!pos)
return E_POINTER;
EnterCriticalSection(&This->lock);
/* call required to get accurate snd_pcm_state() */
avail_frames = snd_pcm_avail_update(This->pcm_handle);
alsa_state = snd_pcm_state(This->pcm_handle);
written_frames = This->written_frames;
held_frames = This->held_frames;
err = snd_pcm_delay(This->pcm_handle, &delay_frames);
if(err < 0){
/* old Pulse, shortly after start */
WARN("snd_pcm_delay failed in state %u: %d (%s)\n", alsa_state, err, snd_strerror(err));
}
if(This->dataflow == eRender){
position = written_frames - held_frames; /* maximum */
if(!This->started || alsa_state > SND_PCM_STATE_RUNNING)
; /* mmdevapi stopped or ALSA underrun: pretend everything was played */
else if(err<0 || delay_frames > position - This->last_pos_frames)
/* Pulse bug: past underrun, despite recovery, avail_frames & delay
* may be larger than alsa_bufsize_frames, as if cumulating frames. */
/* Pulse bug: EIO(-5) shortly after starting: nothing played */
position = This->last_pos_frames;
else if(delay_frames > 0)
position -= delay_frames;
}else
position = written_frames + held_frames;
/* ensure monotic growth */
This->last_pos_frames = position;
LeaveCriticalSection(&This->lock);
TRACE("frames written: %u, held: %u, avail: %ld, delay: %ld state %d, pos: %u\n",
(UINT32)(written_frames%1000000000), held_frames,
avail_frames, delay_frames, alsa_state, (UINT32)(position%1000000000));
*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, %p)\n", session, mute, 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);
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);
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;
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;
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;
}
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