mmdevdrv.c 88.1 KB
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/*
 * 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 COBJMACROS
#include "config.h"

#include <stdarg.h>
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#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <math.h>
#include <sys/soundcard.h>
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#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"
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#include "initguid.h"
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#include "endpointvolume.h"
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#include "audiopolicy.h"
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#include "audioclient.h"
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WINE_DEFAULT_DEBUG_CHANNEL(oss);

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#define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)

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static const REFERENCE_TIME DefaultPeriod = 100000;
static const REFERENCE_TIME MinimumPeriod = 50000;
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struct ACImpl;
typedef struct ACImpl ACImpl;

typedef struct _AudioSession {
    GUID guid;
    struct list clients;

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    IMMDevice *device;
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    float master_vol;
    UINT32 channel_count;
    float *channel_vols;
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    BOOL mute;
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    CRITICAL_SECTION lock;

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    struct list entry;
} AudioSession;

typedef struct _AudioSessionWrapper {
    IAudioSessionControl2 IAudioSessionControl2_iface;
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    IChannelAudioVolume IChannelAudioVolume_iface;
    ISimpleAudioVolume ISimpleAudioVolume_iface;
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    LONG ref;

    ACImpl *client;
    AudioSession *session;
} AudioSessionWrapper;

struct ACImpl {
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    IAudioClient IAudioClient_iface;
    IAudioRenderClient IAudioRenderClient_iface;
    IAudioCaptureClient IAudioCaptureClient_iface;
    IAudioClock IAudioClock_iface;
    IAudioClock2 IAudioClock2_iface;
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    IAudioStreamVolume IAudioStreamVolume_iface;
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    LONG ref;

    IMMDevice *parent;
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    IUnknown *pUnkFTMarshal;
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    WAVEFORMATEX *fmt;

    EDataFlow dataflow;
    DWORD flags;
    AUDCLNT_SHAREMODE share;
    HANDLE event;
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    float *vols;
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    int fd;
    oss_audioinfo ai;
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    char devnode[OSS_DEVNODE_SIZE];
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    BOOL initted, playing;
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    UINT64 written_frames, last_pos_frames;
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    UINT32 period_us, period_frames, bufsize_frames, held_frames, tmp_buffer_frames, in_oss_frames;
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    UINT32 oss_bufsize_bytes, lcl_offs_frames; /* offs into local_buffer where valid data starts */
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    BYTE *local_buffer, *tmp_buffer;
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    LONG32 getbuf_last; /* <0 when using tmp_buffer */
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    HANDLE timer;

    CRITICAL_SECTION lock;
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    AudioSession *session;
    AudioSessionWrapper *session_wrapper;

    struct list entry;
};
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typedef struct _SessionMgr {
    IAudioSessionManager2 IAudioSessionManager2_iface;

    LONG ref;

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    IMMDevice *device;
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} SessionMgr;

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typedef struct _OSSDevice {
    EDataFlow flow;
    char devnode[OSS_DEVNODE_SIZE];
    GUID guid;

    struct list entry;
} OSSDevice;

static struct list g_devices = LIST_INIT(g_devices);

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','o','s','s','.','d','r','v','\\','d','e','v','i','c','e','s',0};
static const WCHAR guidW[] = {'g','u','i','d',0};

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static HANDLE g_timer_q;

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static CRITICAL_SECTION g_sessions_lock;
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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 };
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static struct list g_sessions = LIST_INIT(g_sessions);

static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);

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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;
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static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
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static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl;
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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);
}

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static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
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{
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    return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
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}

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static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
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{
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    return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
}

static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
{
    return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
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}

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);
}

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static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
{
    return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
}

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static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
{
    return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
}

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BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
{
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    switch (reason)
    {
    case DLL_PROCESS_ATTACH:
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        g_timer_q = CreateTimerQueue();
        if(!g_timer_q)
            return FALSE;
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        break;
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    case DLL_PROCESS_DETACH:
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        if (!reserved)
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        {
            OSSDevice *iter, *iter2;

            DeleteCriticalSection(&g_sessions_lock);

            LIST_FOR_EACH_ENTRY_SAFE(iter, iter2, &g_devices, OSSDevice, entry){
                HeapFree(GetProcessHeap(), 0, iter);
            }
        }
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        break;
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    }
    return TRUE;
}

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/* From <dlls/mmdevapi/mmdevapi.h> */
enum DriverPriority {
    Priority_Unavailable = 0,
    Priority_Low,
    Priority_Neutral,
    Priority_Preferred
};

int WINAPI AUDDRV_GetPriority(void)
{
    int mixer_fd;
    oss_sysinfo sysinfo;

    /* Attempt to determine if we are running on OSS or ALSA's OSS
     * compatibility layer. There is no official way to do that, so just check
     * for validity as best as possible, without rejecting valid OSS
     * implementations. */

    mixer_fd = open("/dev/mixer", O_RDONLY, 0);
    if(mixer_fd < 0){
        TRACE("Priority_Unavailable: open failed\n");
        return Priority_Unavailable;
    }

    sysinfo.version[0] = 0xFF;
    sysinfo.versionnum = ~0;
    if(ioctl(mixer_fd, SNDCTL_SYSINFO, &sysinfo) < 0){
        TRACE("Priority_Unavailable: ioctl failed\n");
        close(mixer_fd);
        return Priority_Unavailable;
    }

    close(mixer_fd);

    if(sysinfo.version[0] < '4' || sysinfo.version[0] > '9'){
        TRACE("Priority_Low: sysinfo.version[0]: %x\n", sysinfo.version[0]);
        return Priority_Low;
    }
    if(sysinfo.versionnum & 0x80000000){
        TRACE("Priority_Low: sysinfo.versionnum: %x\n", sysinfo.versionnum);
        return Priority_Low;
    }

    TRACE("Priority_Preferred: Seems like valid OSS!\n");

    return Priority_Preferred;
}

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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] = ',';
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    MultiByteToWideChar(CP_UNIXCP, 0, device, -1, key_name + 2, ARRAY_SIZE(key_name) - 2);
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    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);
}

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static const char *oss_clean_devnode(const char *devnode)
{
    static char ret[OSS_DEVNODE_SIZE];

    const char *dot, *slash;
    size_t len;

    dot = strrchr(devnode, '.');
    if(!dot)
        return devnode;

    slash = strrchr(devnode, '/');
    if(slash && dot < slash)
        return devnode;

    len = dot - devnode;

    memcpy(ret, devnode, len);
    ret[len] = '\0';

    return ret;
}

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static UINT get_default_index(EDataFlow flow)
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{
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    int fd = -1, err;
    UINT i;
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    oss_audioinfo ai;
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    const char *devnode;
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    OSSDevice *dev_item;
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    if(flow == eRender)
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        fd = open("/dev/dsp", O_WRONLY | O_NONBLOCK);
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    else
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        fd = open("/dev/dsp", O_RDONLY | O_NONBLOCK);
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    if(fd < 0){
        WARN("Couldn't open default device!\n");
        return 0;
    }

    ai.dev = -1;
    if((err = ioctl(fd, SNDCTL_ENGINEINFO, &ai)) < 0){
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        WARN("SNDCTL_ENGINEINFO failed: %d (%s)\n", err, strerror(errno));
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        close(fd);
        return 0;
    }

    close(fd);

    TRACE("Default devnode: %s\n", ai.devnode);
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    devnode = oss_clean_devnode(ai.devnode);
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    i = 0;
    LIST_FOR_EACH_ENTRY(dev_item, &g_devices, OSSDevice, entry){
        if(dev_item->flow == flow){
            if(!strcmp(devnode, dev_item->devnode))
                return i;
            ++i;
        }
    }
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    WARN("Couldn't find default device! Choosing first.\n");
    return 0;
}

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HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, GUID **guids,
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        UINT *num, UINT *def_index)
{
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    int i, mixer_fd;
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    oss_sysinfo sysinfo;
    static int print_once = 0;

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    static const WCHAR outW[] = {'O','u','t',':',' ',0};
    static const WCHAR inW[] = {'I','n',':',' ',0};

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    TRACE("%d %p %p %p %p\n", flow, ids, guids, num, def_index);
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    mixer_fd = open("/dev/mixer", O_RDONLY, 0);
    if(mixer_fd < 0){
        ERR("OSS /dev/mixer doesn't seem to exist\n");
        return AUDCLNT_E_SERVICE_NOT_RUNNING;
    }

    if(ioctl(mixer_fd, SNDCTL_SYSINFO, &sysinfo) < 0){
        close(mixer_fd);

        if(errno == EINVAL){
            ERR("OSS version too old, need at least OSSv4\n");
            return AUDCLNT_E_SERVICE_NOT_RUNNING;
        }

        ERR("Error getting SNDCTL_SYSINFO: %d (%s)\n", errno, strerror(errno));
        return E_FAIL;
    }

    if(!print_once){
        TRACE("OSS sysinfo:\n");
        TRACE("product: %s\n", sysinfo.product);
        TRACE("version: %s\n", sysinfo.version);
        TRACE("versionnum: %x\n", sysinfo.versionnum);
        TRACE("numaudios: %d\n", sysinfo.numaudios);
        TRACE("nummixers: %d\n", sysinfo.nummixers);
        TRACE("numcards: %d\n", sysinfo.numcards);
        TRACE("numaudioengines: %d\n", sysinfo.numaudioengines);
        print_once = 1;
    }

    if(sysinfo.numaudios <= 0){
        WARN("No audio devices!\n");
        close(mixer_fd);
        return AUDCLNT_E_SERVICE_NOT_RUNNING;
    }

    *ids = HeapAlloc(GetProcessHeap(), 0, sysinfo.numaudios * sizeof(WCHAR *));
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    *guids = HeapAlloc(GetProcessHeap(), 0, sysinfo.numaudios * sizeof(GUID));
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    *num = 0;
    for(i = 0; i < sysinfo.numaudios; ++i){
        oss_audioinfo ai = {0};
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        const char *devnode;
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        OSSDevice *dev_item;
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        int fd;
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        ai.dev = i;
        if(ioctl(mixer_fd, SNDCTL_AUDIOINFO, &ai) < 0){
            WARN("Error getting AUDIOINFO for dev %d: %d (%s)\n", i, errno,
                    strerror(errno));
            continue;
        }

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        devnode = oss_clean_devnode(ai.devnode);

        /* check for duplicates */
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        LIST_FOR_EACH_ENTRY(dev_item, &g_devices, OSSDevice, entry){
            if(dev_item->flow == flow && !strcmp(devnode, dev_item->devnode))
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                break;
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        }
        if(&dev_item->entry != &g_devices)
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            continue;

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        if(flow == eRender)
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            fd = open(devnode, O_WRONLY | O_NONBLOCK, 0);
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        else
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            fd = open(devnode, O_RDONLY | O_NONBLOCK, 0);
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        if(fd < 0){
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            WARN("Opening device \"%s\" failed, pretending it doesn't exist: %d (%s)\n",
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                    devnode, errno, strerror(errno));
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            continue;
        }
        close(fd);

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        if((flow == eCapture && (ai.caps & PCM_CAP_INPUT)) ||
                (flow == eRender && (ai.caps & PCM_CAP_OUTPUT))){
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            size_t len, prefix_len;
            const WCHAR *prefix;
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            dev_item = HeapAlloc(GetProcessHeap(), 0, sizeof(*dev_item));

            dev_item->flow = flow;
            get_device_guid(flow, devnode, &dev_item->guid);
            strcpy(dev_item->devnode, devnode);

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            (*guids)[*num] = dev_item->guid;
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            len = MultiByteToWideChar(CP_UNIXCP, 0, ai.name, -1, NULL, 0);
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            if(flow == eRender){
                prefix = outW;
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                prefix_len = ARRAY_SIZE(outW) - 1;
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                len += prefix_len;
            }else{
                prefix = inW;
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                prefix_len = ARRAY_SIZE(inW) - 1;
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                len += prefix_len;
            }
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            (*ids)[*num] = HeapAlloc(GetProcessHeap(), 0,
                    len * sizeof(WCHAR));
            if(!(*ids)[*num]){
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                for(i = 0; i < *num; ++i)
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                    HeapFree(GetProcessHeap(), 0, (*ids)[i]);
                HeapFree(GetProcessHeap(), 0, *ids);
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                HeapFree(GetProcessHeap(), 0, *guids);
                HeapFree(GetProcessHeap(), 0, dev_item);
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                close(mixer_fd);
                return E_OUTOFMEMORY;
            }
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            memcpy((*ids)[*num], prefix, prefix_len * sizeof(WCHAR));
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            MultiByteToWideChar(CP_UNIXCP, 0, ai.name, -1,
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                    (*ids)[*num] + prefix_len, len - prefix_len);
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            list_add_tail(&g_devices, &dev_item->entry);

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            (*num)++;
        }
    }

    close(mixer_fd);

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    *def_index = get_default_index(flow);
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    return S_OK;
}

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static const OSSDevice *get_ossdevice_from_guid(const GUID *guid)
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{
    OSSDevice *dev_item;
    LIST_FOR_EACH_ENTRY(dev_item, &g_devices, OSSDevice, entry)
        if(IsEqualGUID(guid, &dev_item->guid))
            return dev_item;
    return NULL;
}

HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev,
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        IAudioClient **out)
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{
    ACImpl *This;
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    const OSSDevice *oss_dev;
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    HRESULT hr;
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    TRACE("%s %p %p\n", debugstr_guid(guid), dev, out);
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    oss_dev = get_ossdevice_from_guid(guid);
    if(!oss_dev){
        WARN("Unknown GUID: %s\n", debugstr_guid(guid));
        return AUDCLNT_E_DEVICE_INVALIDATED;
    }
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    This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ACImpl));
    if(!This)
        return E_OUTOFMEMORY;

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    hr = CoCreateFreeThreadedMarshaler((IUnknown *)&This->IAudioClient_iface, &This->pUnkFTMarshal);
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    if (FAILED(hr)) {
         HeapFree(GetProcessHeap(), 0, This);
         return hr;
    }

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    if(oss_dev->flow == eRender)
        This->fd = open(oss_dev->devnode, O_WRONLY | O_NONBLOCK, 0);
    else if(oss_dev->flow == eCapture)
        This->fd = open(oss_dev->devnode, O_RDONLY | O_NONBLOCK, 0);
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    else{
        HeapFree(GetProcessHeap(), 0, This);
        return E_INVALIDARG;
    }
    if(This->fd < 0){
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        WARN("Unable to open device %s: %d (%s)\n", oss_dev->devnode, errno,
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                strerror(errno));
        HeapFree(GetProcessHeap(), 0, This);
        return AUDCLNT_E_DEVICE_INVALIDATED;
    }

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    This->dataflow = oss_dev->flow;
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    This->ai.dev = -1;
    if(ioctl(This->fd, SNDCTL_ENGINEINFO, &This->ai) < 0){
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        WARN("Unable to get audio info for device %s: %d (%s)\n", oss_dev->devnode,
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                errno, strerror(errno));
        close(This->fd);
        HeapFree(GetProcessHeap(), 0, This);
        return E_FAIL;
    }

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    strcpy(This->devnode, oss_dev->devnode);
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    TRACE("OSS audioinfo:\n");
    TRACE("devnode: %s\n", This->ai.devnode);
    TRACE("name: %s\n", This->ai.name);
    TRACE("busy: %x\n", This->ai.busy);
    TRACE("caps: %x\n", This->ai.caps);
    TRACE("iformats: %x\n", This->ai.iformats);
    TRACE("oformats: %x\n", This->ai.oformats);
    TRACE("enabled: %d\n", This->ai.enabled);
    TRACE("min_rate: %d\n", This->ai.min_rate);
    TRACE("max_rate: %d\n", This->ai.max_rate);
    TRACE("min_channels: %d\n", This->ai.min_channels);
    TRACE("max_channels: %d\n", This->ai.max_channels);

    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;
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    This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
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    InitializeCriticalSection(&This->lock);
663
    This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ACImpl.lock");
664 665 666 667 668 669 670 671 672 673 674 675 676 677

    This->parent = dev;
    IMMDevice_AddRef(This->parent);

    IAudioClient_AddRef(&This->IAudioClient_iface);

    *out = &This->IAudioClient_iface;

    return S_OK;
}

static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
        REFIID riid, void **ppv)
{
678
    ACImpl *This = impl_from_IAudioClient(iface);
679 680 681 682 683 684 685
    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;
686 687
    else if(IsEqualIID(riid, &IID_IMarshal))
        return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708
    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;
709

710 711 712
    ref = InterlockedDecrement(&This->ref);
    TRACE("(%p) Refcount now %u\n", This, ref);
    if(!ref){
713 714 715 716 717 718 719 720 721 722 723
        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);
        }

724 725
        IAudioClient_Stop(iface);
        IMMDevice_Release(This->parent);
726
        IUnknown_Release(This->pUnkFTMarshal);
727
        This->lock.DebugInfo->Spare[0] = 0;
728 729
        DeleteCriticalSection(&This->lock);
        close(This->fd);
730 731 732 733 734
        if(This->initted){
            EnterCriticalSection(&g_sessions_lock);
            list_remove(&This->entry);
            LeaveCriticalSection(&g_sessions_lock);
        }
735
        HeapFree(GetProcessHeap(), 0, This->vols);
736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783
        HeapFree(GetProcessHeap(), 0, This->local_buffer);
        HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
        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 DWORD get_channel_mask(unsigned int channels)
{
    switch(channels){
    case 0:
        return 0;
    case 1:
784
        return KSAUDIO_SPEAKER_MONO;
785
    case 2:
786
        return KSAUDIO_SPEAKER_STEREO;
787
    case 3:
788
        return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
789
    case 4:
790
        return KSAUDIO_SPEAKER_QUAD;    /* not _SURROUND */
791
    case 5:
792
        return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
793
    case 6:
794
        return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
795
    case 7:
796 797
        return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
    case 8:
798
        return KSAUDIO_SPEAKER_7POINT1_SURROUND; /* Vista deprecates 7POINT1 */
799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816
    }
    FIXME("Unknown speaker configuration: %u\n", channels);
    return 0;
}

static int get_oss_format(const WAVEFORMATEX *fmt)
{
    WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)fmt;

    if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
            (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
             IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
        switch(fmt->wBitsPerSample){
        case 8:
            return AFMT_U8;
        case 16:
            return AFMT_S16_LE;
        case 24:
817
            return AFMT_S24_LE;
818 819 820 821 822 823
        case 32:
            return AFMT_S32_LE;
        }
        return -1;
    }

824
#ifdef AFMT_FLOAT
825 826 827 828 829 830 831 832
    if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
            (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
             IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
        if(fmt->wBitsPerSample != 32)
            return -1;

        return AFMT_FLOAT;
    }
833
#endif
834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858

    return -1;
}

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;
}

859 860
static HRESULT setup_oss_device(AUDCLNT_SHAREMODE mode, int fd,
        const WAVEFORMATEX *fmt, WAVEFORMATEX **out)
861 862 863 864 865 866 867 868 869
{
    int tmp, oss_format;
    double tenth;
    HRESULT ret = S_OK;
    WAVEFORMATEX *closest = NULL;

    tmp = oss_format = get_oss_format(fmt);
    if(oss_format < 0)
        return AUDCLNT_E_UNSUPPORTED_FORMAT;
870
    if(ioctl(fd, SNDCTL_DSP_SETFMT, &tmp) < 0){
871 872 873 874 875 876 877 878
        WARN("SETFMT failed: %d (%s)\n", errno, strerror(errno));
        return E_FAIL;
    }
    if(tmp != oss_format){
        TRACE("Format unsupported by this OSS version: %x\n", oss_format);
        return AUDCLNT_E_UNSUPPORTED_FORMAT;
    }

879 880 881 882 883 884 885 886 887
    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;

888
    closest = clone_format(fmt);
889 890
    if(!closest)
        return E_OUTOFMEMORY;
891 892

    tmp = fmt->nSamplesPerSec;
893
    if(ioctl(fd, SNDCTL_DSP_SPEED, &tmp) < 0){
894 895 896 897 898 899 900 901 902 903 904
        WARN("SPEED failed: %d (%s)\n", errno, strerror(errno));
        CoTaskMemFree(closest);
        return E_FAIL;
    }
    tenth = fmt->nSamplesPerSec * 0.1;
    if(tmp > fmt->nSamplesPerSec + tenth || tmp < fmt->nSamplesPerSec - tenth){
        ret = S_FALSE;
        closest->nSamplesPerSec = tmp;
    }

    tmp = fmt->nChannels;
905
    if(ioctl(fd, SNDCTL_DSP_CHANNELS, &tmp) < 0){
906 907 908 909 910 911 912 913 914
        WARN("CHANNELS failed: %d (%s)\n", errno, strerror(errno));
        CoTaskMemFree(closest);
        return E_FAIL;
    }
    if(tmp != fmt->nChannels){
        ret = S_FALSE;
        closest->nChannels = tmp;
    }

915 916
    if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
        ((WAVEFORMATEXTENSIBLE*)closest)->dwChannelMask = get_channel_mask(closest->nChannels);
917

918 919 920 921 922
    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))
        ret = S_FALSE;
923

924 925 926 927
    if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE &&
            fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
        if(((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask == 0 ||
                ((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask & SPEAKER_RESERVED)
928 929 930
            ret = S_FALSE;
    }

931 932 933
    if(ret == S_FALSE && !out)
        ret = AUDCLNT_E_UNSUPPORTED_FORMAT;

934
    if(ret == S_FALSE && out){
935 936 937 938
        closest->nBlockAlign =
            closest->nChannels * closest->wBitsPerSample / 8;
        closest->nAvgBytesPerSec =
            closest->nBlockAlign * closest->nSamplesPerSec;
939 940
        if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
            ((WAVEFORMATEXTENSIBLE*)closest)->Samples.wValidBitsPerSample = closest->wBitsPerSample;
941
        *out = closest;
942 943
    } else
        CoTaskMemFree(closest);
944 945 946 947 948

    TRACE("returning: %08x\n", ret);
    return ret;
}

949 950
static void session_init_vols(AudioSession *session, UINT channels)
{
951 952
    if(session->channel_count < channels){
        UINT i;
953

954 955 956 957 958 959 960 961
        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;
962

963 964 965 966 967
        for(i = session->channel_count; i < channels; ++i)
            session->channel_vols[i] = 1.f;

        session->channel_count = channels;
    }
968 969
}

970
static AudioSession *create_session(const GUID *guid, IMMDevice *device,
971
        UINT num_channels)
972 973 974 975 976 977 978 979 980
{
    AudioSession *ret;

    ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
    if(!ret)
        return NULL;

    memcpy(&ret->guid, guid, sizeof(GUID));

981
    ret->device = device;
982 983 984 985 986

    list_init(&ret->clients);

    list_add_head(&g_sessions, &ret->entry);

987
    InitializeCriticalSection(&ret->lock);
988
    ret->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": AudioSession.lock");
989

990
    session_init_vols(ret, num_channels);
991 992 993

    ret->master_vol = 1.f;

994 995 996
    return ret;
}

997 998 999
/* 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,
1000
        IMMDevice *device, UINT channels, AudioSession **out)
1001 1002 1003 1004
{
    AudioSession *session;

    if(!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)){
1005
        *out = create_session(&GUID_NULL, device, channels);
1006 1007 1008 1009 1010 1011 1012 1013
        if(!*out)
            return E_OUTOFMEMORY;

        return S_OK;
    }

    *out = NULL;
    LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry){
1014 1015 1016
        if(session->device == device &&
                IsEqualGUID(sessionguid, &session->guid)){
            session_init_vols(session, channels);
1017 1018 1019 1020 1021 1022
            *out = session;
            break;
        }
    }

    if(!*out){
1023
        *out = create_session(sessionguid, device, channels);
1024 1025 1026 1027 1028 1029 1030
        if(!*out)
            return E_OUTOFMEMORY;
    }

    return S_OK;
}

1031 1032 1033 1034 1035 1036
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);
1037
    int i;
1038 1039
    HRESULT hr;

1040 1041
    TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
          wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062

    if(!fmt)
        return E_POINTER;

    dump_fmt(fmt);

    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;
    }

1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082
    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 */
        }
1083 1084
    }

1085 1086 1087 1088 1089 1090 1091
    EnterCriticalSection(&This->lock);

    if(This->initted){
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_ALREADY_INITIALIZED;
    }

1092
    hr = setup_oss_device(mode, This->fd, fmt, NULL);
1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103
    if(FAILED(hr)){
        LeaveCriticalSection(&This->lock);
        return hr;
    }

    This->fmt = clone_format(fmt);
    if(!This->fmt){
        LeaveCriticalSection(&This->lock);
        return E_OUTOFMEMORY;
    }

1104
    This->period_us = period / 10;
1105
    This->period_frames = MulDiv(fmt->nSamplesPerSec, period, 10000000);
1106

1107
    This->bufsize_frames = MulDiv(duration, fmt->nSamplesPerSec, 10000000);
1108 1109
    if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
        This->bufsize_frames -= This->bufsize_frames % This->period_frames;
1110 1111 1112 1113 1114 1115 1116 1117 1118
    This->local_buffer = HeapAlloc(GetProcessHeap(), 0,
            This->bufsize_frames * fmt->nBlockAlign);
    if(!This->local_buffer){
        CoTaskMemFree(This->fmt);
        This->fmt = NULL;
        LeaveCriticalSection(&This->lock);
        return E_OUTOFMEMORY;
    }

1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129
    This->vols = HeapAlloc(GetProcessHeap(), 0, fmt->nChannels * sizeof(float));
    if(!This->vols){
        CoTaskMemFree(This->fmt);
        This->fmt = NULL;
        LeaveCriticalSection(&This->lock);
        return E_OUTOFMEMORY;
    }

    for(i = 0; i < fmt->nChannels; ++i)
        This->vols[i] = 1.f;

1130 1131
    This->share = mode;
    This->flags = flags;
1132
    This->oss_bufsize_bytes = 0;
1133

1134 1135
    EnterCriticalSection(&g_sessions_lock);

1136
    hr = get_audio_session(sessionguid, This->parent, fmt->nChannels,
1137 1138 1139 1140 1141 1142 1143 1144 1145
            &This->session);
    if(FAILED(hr)){
        LeaveCriticalSection(&g_sessions_lock);
        HeapFree(GetProcessHeap(), 0, This->vols);
        This->vols = NULL;
        CoTaskMemFree(This->fmt);
        This->fmt = NULL;
        LeaveCriticalSection(&This->lock);
        return hr;
1146 1147 1148 1149 1150 1151 1152 1153
    }

    list_add_tail(&This->session->clients, &This->entry);

    LeaveCriticalSection(&g_sessions_lock);

    This->initted = TRUE;

1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177
    LeaveCriticalSection(&This->lock);

    return S_OK;
}

static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
        UINT32 *frames)
{
    ACImpl *This = impl_from_IAudioClient(iface);

    TRACE("(%p)->(%p)\n", This, frames);

    if(!frames)
        return E_POINTER;

    EnterCriticalSection(&This->lock);

    if(!This->initted){
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_NOT_INITIALIZED;
    }

    *frames = This->bufsize_frames;

1178 1179
    TRACE("buffer size: %u\n", *frames);

1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201
    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;
    }

1202
    /* pretend we process audio in Period chunks, so max latency includes
1203
     * the period time.  Some native machines add .6666ms in shared mode. */
1204
    *latency = (REFERENCE_TIME)This->period_us * 10 + 6666;
1205

1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227
    LeaveCriticalSection(&This->lock);

    return S_OK;
}

static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
        UINT32 *numpad)
{
    ACImpl *This = impl_from_IAudioClient(iface);

    TRACE("(%p)->(%p)\n", This, numpad);

    if(!numpad)
        return E_POINTER;

    EnterCriticalSection(&This->lock);

    if(!This->initted){
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_NOT_INITIALIZED;
    }

1228
    *numpad = This->held_frames;
1229

1230
    TRACE("padding: %u\n", *numpad);
1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241

    LeaveCriticalSection(&This->lock);

    return S_OK;
}

static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
        AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *pwfx,
        WAVEFORMATEX **outpwfx)
{
    ACImpl *This = impl_from_IAudioClient(iface);
1242
    int fd = -1;
1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258
    HRESULT ret;

    TRACE("(%p)->(%x, %p, %p)\n", This, mode, pwfx, outpwfx);

    if(!pwfx || (mode == AUDCLNT_SHAREMODE_SHARED && !outpwfx))
        return E_POINTER;

    if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
        return E_INVALIDARG;

    if(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
            pwfx->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
        return E_INVALIDARG;

    dump_fmt(pwfx);

1259 1260 1261 1262 1263 1264
    if(outpwfx){
        *outpwfx = NULL;
        if(mode != AUDCLNT_SHAREMODE_SHARED)
            outpwfx = NULL;
    }

1265
    if(This->dataflow == eRender)
1266
        fd = open(This->devnode, O_WRONLY | O_NONBLOCK, 0);
1267
    else if(This->dataflow == eCapture)
1268
        fd = open(This->devnode, O_RDONLY | O_NONBLOCK, 0);
1269 1270

    if(fd < 0){
1271
        WARN("Unable to open device %s: %d (%s)\n", This->devnode, errno,
1272 1273 1274
                strerror(errno));
        return AUDCLNT_E_DEVICE_INVALIDATED;
    }
1275

1276
    ret = setup_oss_device(mode, fd, pwfx, outpwfx);
1277

1278
    close(fd);
1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293

    return ret;
}

static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
        WAVEFORMATEX **pwfx)
{
    ACImpl *This = impl_from_IAudioClient(iface);
    WAVEFORMATEXTENSIBLE *fmt;
    int formats;

    TRACE("(%p)->(%p)\n", This, pwfx);

    if(!pwfx)
        return E_POINTER;
1294
    *pwfx = NULL;
1295 1296 1297 1298 1299 1300 1301 1302

    if(This->dataflow == eRender)
        formats = This->ai.oformats;
    else if(This->dataflow == eCapture)
        formats = This->ai.iformats;
    else
        return E_UNEXPECTED;

1303 1304 1305 1306
    fmt = CoTaskMemAlloc(sizeof(WAVEFORMATEXTENSIBLE));
    if(!fmt)
        return E_OUTOFMEMORY;

1307 1308 1309 1310
    fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
    if(formats & AFMT_S16_LE){
        fmt->Format.wBitsPerSample = 16;
        fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1311
#ifdef AFMT_FLOAT
1312 1313 1314
    }else if(formats & AFMT_FLOAT){
        fmt->Format.wBitsPerSample = 32;
        fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
1315
#endif
1316 1317 1318 1319 1320 1321
    }else if(formats & AFMT_U8){
        fmt->Format.wBitsPerSample = 8;
        fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
    }else if(formats & AFMT_S32_LE){
        fmt->Format.wBitsPerSample = 32;
        fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1322
    }else if(formats & AFMT_S24_LE){
1323 1324 1325
        fmt->Format.wBitsPerSample = 24;
        fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
    }else{
1326
        WARN("Didn't recognize any available OSS formats: %x\n", formats);
1327
        CoTaskMemFree(fmt);
1328 1329 1330
        return E_FAIL;
    }

1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343
    /* some OSS drivers are buggy, so set reasonable defaults if
     * the reported values seem wacky */
    fmt->Format.nChannels = max(This->ai.max_channels, This->ai.min_channels);
    if(fmt->Format.nChannels == 0 || fmt->Format.nChannels > 8)
        fmt->Format.nChannels = 2;

    if(This->ai.max_rate == 0)
        fmt->Format.nSamplesPerSec = 44100;
    else
        fmt->Format.nSamplesPerSec = min(This->ai.max_rate, 44100);
    if(fmt->Format.nSamplesPerSec < This->ai.min_rate)
        fmt->Format.nSamplesPerSec = This->ai.min_rate;

1344 1345 1346 1347 1348 1349 1350 1351 1352 1353
    fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);

    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);

1354
    *pwfx = (WAVEFORMATEX*)fmt;
1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377
    dump_fmt(*pwfx);

    return S_OK;
}

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;
}

1378
static void silence_buffer(ACImpl *This, BYTE *buffer, UINT32 frames)
1379
{
1380 1381 1382 1383 1384 1385
    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);
1386
    else
1387
        memset(buffer, 0, frames * This->fmt->nBlockAlign);
1388 1389
}

1390 1391
static void oss_write_data(ACImpl *This)
{
1392
    ssize_t written_bytes;
1393
    UINT32 written_frames, in_oss_frames, write_limit, max_period, write_offs_frames, new_frames;
1394
    SIZE_T to_write_frames, to_write_bytes, advanced;
1395
    audio_buf_info bi;
1396
    BYTE *buf;
1397 1398 1399 1400 1401 1402

    if(ioctl(This->fd, SNDCTL_DSP_GETOSPACE, &bi) < 0){
        WARN("GETOSPACE failed: %d (%s)\n", errno, strerror(errno));
        return;
    }

1403 1404 1405 1406 1407 1408 1409
    max_period = max(bi.fragsize / This->fmt->nBlockAlign, This->period_frames);

    if(bi.bytes > This->oss_bufsize_bytes){
        TRACE("New buffer size (%u) is larger than old buffer size (%u)\n",
                bi.bytes, This->oss_bufsize_bytes);
        This->oss_bufsize_bytes = bi.bytes;
        in_oss_frames = 0;
1410
    }else
1411 1412
        in_oss_frames = (This->oss_bufsize_bytes - bi.bytes) / This->fmt->nBlockAlign;

1413 1414 1415 1416 1417 1418
    if(in_oss_frames > This->in_oss_frames){
        TRACE("Capping reported frames from %u to %u\n",
                in_oss_frames, This->in_oss_frames);
        in_oss_frames = This->in_oss_frames;
    }

1419 1420 1421 1422 1423 1424
    write_limit = 0;
    while(write_limit + in_oss_frames < max_period * 3)
        write_limit += max_period;
    if(write_limit == 0)
        return;

1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437
    /*        vvvvvv - in_oss_frames
     * [--xxxxxxxxxx]
     *       [xxxxxxxxxx--]
     *        ^^^^^^^^^^ - held_frames
     *        ^ - lcl_offs_frames
     */
    advanced = This->in_oss_frames - in_oss_frames;
    if(advanced > This->held_frames)
        advanced = This->held_frames;
    This->lcl_offs_frames += advanced;
    This->lcl_offs_frames %= This->bufsize_frames;
    This->held_frames -= advanced;
    This->in_oss_frames = in_oss_frames;
1438 1439
    TRACE("advanced by %lu, lcl_offs: %u, held: %u, in_oss: %u\n",
            advanced, This->lcl_offs_frames, This->held_frames, This->in_oss_frames);
1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452


    if(This->held_frames == This->in_oss_frames)
        return;

    write_offs_frames = (This->lcl_offs_frames + This->in_oss_frames) % This->bufsize_frames;
    new_frames = This->held_frames - This->in_oss_frames;

    if(write_offs_frames + new_frames > This->bufsize_frames)
        to_write_frames = This->bufsize_frames - write_offs_frames;
    else
        to_write_frames = new_frames;

1453 1454
    to_write_frames = min(to_write_frames, write_limit);
    to_write_bytes = to_write_frames * This->fmt->nBlockAlign;
1455 1456 1457
    TRACE("going to write %lu frames from %u (%lu of %u)\n", to_write_frames,
            write_offs_frames, to_write_frames + write_offs_frames,
            This->bufsize_frames);
1458 1459 1460

    buf = This->local_buffer + write_offs_frames * This->fmt->nBlockAlign;

1461
    if(This->session->mute)
1462
        silence_buffer(This, buf, to_write_frames);
1463

1464 1465
    written_bytes = write(This->fd, buf, to_write_bytes);
    if(written_bytes < 0){
1466
        /* EAGAIN is OSS buffer full, log that too */
1467 1468 1469
        WARN("write failed: %d (%s)\n", errno, strerror(errno));
        return;
    }
1470
    written_frames = written_bytes / This->fmt->nBlockAlign;
1471

1472
    This->in_oss_frames += written_frames;
1473

1474
    if(written_frames < to_write_frames){
1475 1476 1477 1478
        /* OSS buffer probably full */
        return;
    }

1479
    if(new_frames > written_frames && written_frames < write_limit){
1480
        /* wrapped and have some data back at the start to write */
1481

1482
        to_write_frames = min(write_limit - written_frames, new_frames - written_frames);
1483 1484
        to_write_bytes = to_write_frames * This->fmt->nBlockAlign;

1485
        if(This->session->mute)
1486
            silence_buffer(This, This->local_buffer, to_write_frames);
1487

1488 1489
        TRACE("wrapping to write %lu frames from beginning\n", to_write_frames);

1490 1491
        written_bytes = write(This->fd, This->local_buffer, to_write_bytes);
        if(written_bytes < 0){
1492 1493 1494
            WARN("write failed: %d (%s)\n", errno, strerror(errno));
            return;
        }
1495
        written_frames = written_bytes / This->fmt->nBlockAlign;
1496
        This->in_oss_frames += written_frames;
1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
    }
}

static void oss_read_data(ACImpl *This)
{
    UINT64 pos, readable;
    ssize_t nread;

    pos = (This->held_frames + This->lcl_offs_frames) % This->bufsize_frames;
    readable = (This->bufsize_frames - pos) * This->fmt->nBlockAlign;

    nread = read(This->fd, This->local_buffer + pos * This->fmt->nBlockAlign,
            readable);
    if(nread < 0){
        WARN("read failed: %d (%s)\n", errno, strerror(errno));
        return;
    }

    This->held_frames += nread / This->fmt->nBlockAlign;

    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 oss_period_callback(void *user, BOOLEAN timer)
{
    ACImpl *This = user;

    EnterCriticalSection(&This->lock);

1531 1532 1533 1534 1535 1536
    if(This->playing){
        if(This->dataflow == eRender && This->held_frames)
            oss_write_data(This);
        else if(This->dataflow == eCapture)
            oss_read_data(This);
    }
1537 1538

    LeaveCriticalSection(&This->lock);
1539 1540 1541

    if(This->event)
        SetEvent(This->event);
1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566
}

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->playing){
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_NOT_STOPPED;
    }

1567 1568 1569 1570 1571 1572
    if(!This->timer){
        if(!CreateTimerQueueTimer(&This->timer, g_timer_q,
                    oss_period_callback, This, 0, This->period_us / 1000,
                    WT_EXECUTEINTIMERTHREAD))
            ERR("Unable to create period timer: %u\n", GetLastError());
    }
1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599

    This->playing = 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->playing){
        LeaveCriticalSection(&This->lock);
        return S_FALSE;
    }

    This->playing = FALSE;
1600
    This->in_oss_frames = 0;
1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624

    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->playing){
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_NOT_STOPPED;
    }

1625
    if(This->getbuf_last){
1626 1627 1628 1629
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_BUFFER_OPERATION_PENDING;
    }

1630 1631
    if(This->dataflow == eRender){
        This->written_frames = 0;
1632
        This->last_pos_frames = 0;
1633 1634 1635
    }else{
        This->written_frames += This->held_frames;
    }
1636
    This->held_frames = 0;
1637
    This->lcl_offs_frames = 0;
1638
    This->in_oss_frames = 0;
1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666

    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;
    }

1667 1668 1669 1670 1671 1672
    if (This->event){
        LeaveCriticalSection(&This->lock);
        FIXME("called twice\n");
        return HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
    }

1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698
    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)){
1699 1700
        if(This->dataflow != eRender){
            LeaveCriticalSection(&This->lock);
1701
            return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1702
        }
1703
        IAudioRenderClient_AddRef(&This->IAudioRenderClient_iface);
1704 1705
        *ppv = &This->IAudioRenderClient_iface;
    }else if(IsEqualIID(riid, &IID_IAudioCaptureClient)){
1706 1707
        if(This->dataflow != eCapture){
            LeaveCriticalSection(&This->lock);
1708
            return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1709
        }
1710
        IAudioCaptureClient_AddRef(&This->IAudioCaptureClient_iface);
1711
        *ppv = &This->IAudioCaptureClient_iface;
1712
    }else if(IsEqualIID(riid, &IID_IAudioClock)){
1713
        IAudioClock_AddRef(&This->IAudioClock_iface);
1714 1715
        *ppv = &This->IAudioClock_iface;
    }else if(IsEqualIID(riid, &IID_IAudioStreamVolume)){
1716
        IAudioStreamVolume_AddRef(&This->IAudioStreamVolume_iface);
1717
        *ppv = &This->IAudioStreamVolume_iface;
1718
    }else if(IsEqualIID(riid, &IID_IAudioSessionControl)){
1719 1720 1721 1722 1723 1724
        if(!This->session_wrapper){
            This->session_wrapper = AudioSessionWrapper_Create(This);
            if(!This->session_wrapper){
                LeaveCriticalSection(&This->lock);
                return E_OUTOFMEMORY;
            }
1725 1726
        }else
            IAudioSessionControl2_AddRef(&This->session_wrapper->IAudioSessionControl2_iface);
1727 1728

        *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1729 1730 1731 1732 1733 1734 1735
    }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;
            }
1736 1737
        }else
            IChannelAudioVolume_AddRef(&This->session_wrapper->IChannelAudioVolume_iface);
1738 1739

        *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1740
    }else if(IsEqualIID(riid, &IID_ISimpleAudioVolume)){
1741 1742 1743 1744 1745 1746
        if(!This->session_wrapper){
            This->session_wrapper = AudioSessionWrapper_Create(This);
            if(!This->session_wrapper){
                LeaveCriticalSection(&This->lock);
                return E_OUTOFMEMORY;
            }
1747 1748
        }else
            ISimpleAudioVolume_AddRef(&This->session_wrapper->ISimpleAudioVolume_iface);
1749 1750

        *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1751 1752 1753
    }

    if(*ppv){
1754
        LeaveCriticalSection(&This->lock);
1755 1756 1757
        return S_OK;
    }

1758 1759
    LeaveCriticalSection(&This->lock);

1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785
    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)
{
1786
    ACImpl *This = impl_from_IAudioRenderClient(iface);
1787 1788 1789 1790 1791 1792 1793 1794 1795
    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;
1796 1797
    else if(IsEqualIID(riid, &IID_IMarshal))
        return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822
    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);
1823
    UINT32 write_pos;
1824 1825 1826 1827 1828 1829

    TRACE("(%p)->(%u, %p)\n", This, frames, data);

    if(!data)
        return E_POINTER;

1830 1831
    *data = NULL;

1832 1833
    EnterCriticalSection(&This->lock);

1834
    if(This->getbuf_last){
1835 1836 1837 1838 1839 1840 1841 1842 1843
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_OUT_OF_ORDER;
    }

    if(!frames){
        LeaveCriticalSection(&This->lock);
        return S_OK;
    }

1844
    if(This->held_frames + frames > This->bufsize_frames){
1845 1846 1847 1848 1849 1850 1851 1852
        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){
1853 1854 1855
            HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
            This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
                    frames * This->fmt->nBlockAlign);
1856 1857 1858 1859 1860 1861 1862
            if(!This->tmp_buffer){
                LeaveCriticalSection(&This->lock);
                return E_OUTOFMEMORY;
            }
            This->tmp_buffer_frames = frames;
        }
        *data = This->tmp_buffer;
1863
        This->getbuf_last = -frames;
1864
    }else{
1865
        *data = This->local_buffer + write_pos * This->fmt->nBlockAlign;
1866
        This->getbuf_last = frames;
1867 1868
    }

1869 1870
    silence_buffer(This, *data, frames);

1871 1872 1873 1874 1875
    LeaveCriticalSection(&This->lock);

    return S_OK;
}

1876
static void oss_wrap_buffer(ACImpl *This, BYTE *buffer, UINT32 written_frames)
1877 1878 1879 1880 1881 1882
{
    UINT32 write_offs_frames =
        (This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
    UINT32 write_offs_bytes = write_offs_frames * This->fmt->nBlockAlign;
    UINT32 chunk_frames = This->bufsize_frames - write_offs_frames;
    UINT32 chunk_bytes = chunk_frames * This->fmt->nBlockAlign;
1883
    UINT32 written_bytes = written_frames * This->fmt->nBlockAlign;
1884

1885
    if(written_bytes <= chunk_bytes){
1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903
        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);

1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915
    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)){
1916
        LeaveCriticalSection(&This->lock);
1917
        return AUDCLNT_E_INVALID_SIZE;
1918 1919
    }

1920
    if(This->getbuf_last >= 0)
1921 1922
        buffer = This->local_buffer + This->fmt->nBlockAlign *
          ((This->lcl_offs_frames + This->held_frames) % This->bufsize_frames);
1923 1924 1925
    else
        buffer = This->tmp_buffer;

1926
    if(flags & AUDCLNT_BUFFERFLAGS_SILENT)
1927
        silence_buffer(This, buffer, written_frames);
1928

1929 1930
    if(This->getbuf_last < 0)
        oss_wrap_buffer(This, buffer, written_frames);
1931

1932
    This->held_frames += written_frames;
1933
    This->written_frames += written_frames;
1934
    This->getbuf_last = 0;
1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951

    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)
{
1952
    ACImpl *This = impl_from_IAudioCaptureClient(iface);
1953 1954 1955 1956 1957 1958 1959 1960 1961
    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;
1962 1963
    else if(IsEqualIID(riid, &IID_IMarshal))
        return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
    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 || !frames || !flags)
        return E_POINTER;

    EnterCriticalSection(&This->lock);

1999
    if(This->getbuf_last){
2000 2001 2002 2003
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_OUT_OF_ORDER;
    }

2004 2005
    if(This->held_frames < This->period_frames){
        *frames = 0;
2006
        LeaveCriticalSection(&This->lock);
2007
        return AUDCLNT_S_BUFFER_EMPTY;
2008 2009 2010 2011
    }

    *flags = 0;

2012 2013
    *frames = This->period_frames;

2014 2015 2016
    if(This->lcl_offs_frames + *frames > This->bufsize_frames){
        UINT32 chunk_bytes, offs_bytes, frames_bytes;
        if(This->tmp_buffer_frames < *frames){
2017 2018 2019
            HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
            This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
                    *frames * This->fmt->nBlockAlign);
2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032
            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);
2033
        memcpy(This->tmp_buffer + chunk_bytes, This->local_buffer,
2034 2035 2036 2037 2038
                frames_bytes - chunk_bytes);
    }else
        *data = This->local_buffer +
            This->lcl_offs_frames * This->fmt->nBlockAlign;

2039
    This->getbuf_last = *frames;
2040

2041 2042 2043 2044 2045 2046 2047 2048
    if(devpos)
       *devpos = This->written_frames;
    if(qpcpos){
        LARGE_INTEGER stamp, freq;
        QueryPerformanceCounter(&stamp);
        QueryPerformanceFrequency(&freq);
        *qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
    }
2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063

    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);

2064 2065 2066 2067 2068 2069 2070
    if(!done){
        This->getbuf_last = 0;
        LeaveCriticalSection(&This->lock);
        return S_OK;
    }

    if(!This->getbuf_last){
2071 2072 2073 2074
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_OUT_OF_ORDER;
    }

2075 2076 2077 2078 2079 2080
    if(This->getbuf_last != done){
        LeaveCriticalSection(&This->lock);
        return AUDCLNT_E_INVALID_SIZE;
    }

    This->written_frames += done;
2081 2082 2083
    This->held_frames -= done;
    This->lcl_offs_frames += done;
    This->lcl_offs_frames %= This->bufsize_frames;
2084
    This->getbuf_last = 0;
2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097

    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);

2098 2099 2100 2101 2102 2103 2104 2105 2106 2107
    if(!frames)
        return E_POINTER;

    EnterCriticalSection(&This->lock);

    *frames = This->held_frames < This->period_frames ? 0 : This->period_frames;

    LeaveCriticalSection(&This->lock);

    return S_OK;
2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119
}

static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
{
    AudioCaptureClient_QueryInterface,
    AudioCaptureClient_AddRef,
    AudioCaptureClient_Release,
    AudioCaptureClient_GetBuffer,
    AudioCaptureClient_ReleaseBuffer,
    AudioCaptureClient_GetNextPacketSize
};

2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161
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);

2162
    if(This->share == AUDCLNT_SHAREMODE_SHARED)
2163
        *freq = (UINT64)This->fmt->nSamplesPerSec * This->fmt->nBlockAlign;
2164 2165
    else
        *freq = This->fmt->nSamplesPerSec;
2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181

    return S_OK;
}

static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
        UINT64 *qpctime)
{
    ACImpl *This = impl_from_IAudioClock(iface);

    TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);

    if(!pos)
        return E_POINTER;

    EnterCriticalSection(&This->lock);

2182
    if(This->dataflow == eRender){
2183 2184
        *pos = This->written_frames - This->held_frames;
        if(*pos < This->last_pos_frames)
2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200
            *pos = This->last_pos_frames;
    }else if(This->dataflow == eCapture){
        audio_buf_info bi;
        UINT32 held;

        if(ioctl(This->fd, SNDCTL_DSP_GETISPACE, &bi) < 0){
            TRACE("GETISPACE failed: %d (%s)\n", errno, strerror(errno));
            held = 0;
        }else{
            if(bi.bytes <= bi.fragsize)
                held = 0;
            else
                held = bi.bytes / This->fmt->nBlockAlign;
        }

        *pos = This->written_frames + held;
2201 2202
    }

2203
    This->last_pos_frames = *pos;
2204

2205
    TRACE("returning: %s\n", wine_dbgstr_longlong(*pos));
2206 2207 2208
    if(This->share == AUDCLNT_SHAREMODE_SHARED)
        *pos *= This->fmt->nBlockAlign;

2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282
    LeaveCriticalSection(&This->lock);

    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
};

2283 2284 2285 2286 2287 2288 2289 2290 2291 2292
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;
2293 2294
    ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
    ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2295

2296 2297
    ret->ref = 1;

2298
    ret->client = client;
2299 2300 2301 2302
    if(client){
        ret->session = client->session;
        AudioClient_AddRef(&client->IAudioClient_iface);
    }
2303 2304 2305 2306

    return ret;
}

2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330
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)
{
2331 2332 2333 2334 2335
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
    ULONG ref;
    ref = InterlockedIncrement(&This->ref);
    TRACE("(%p) Refcount now %u\n", This, ref);
    return ref;
2336 2337 2338 2339
}

static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
{
2340 2341 2342 2343 2344
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
    ULONG ref;
    ref = InterlockedDecrement(&This->ref);
    TRACE("(%p) Refcount now %u\n", This, ref);
    if(!ref){
2345 2346 2347 2348 2349 2350
        if(This->client){
            EnterCriticalSection(&This->client->lock);
            This->client->session_wrapper = NULL;
            LeaveCriticalSection(&This->client->lock);
            AudioClient_Release(&This->client->IAudioClient_iface);
        }
2351 2352 2353
        HeapFree(GetProcessHeap(), 0, This);
    }
    return ref;
2354 2355 2356 2357 2358
}

static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
        AudioSessionState *state)
{
2359 2360
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
    ACImpl *client;
2361

2362
    TRACE("(%p)->(%p)\n", This, state);
2363 2364

    if(!state)
2365
        return NULL_PTR_ERR;
2366

2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390
    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->playing){
            *state = AudioSessionStateActive;
            LeaveCriticalSection(&client->lock);
            LeaveCriticalSection(&g_sessions_lock);
            return S_OK;
        }
        LeaveCriticalSection(&client->lock);
    }

    LeaveCriticalSection(&g_sessions_lock);

    *state = AudioSessionStateInactive;

    return S_OK;
2391 2392 2393 2394 2395
}

static HRESULT WINAPI AudioSessionControl_GetDisplayName(
        IAudioSessionControl2 *iface, WCHAR **name)
{
2396
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2397 2398 2399 2400 2401 2402 2403 2404 2405

    FIXME("(%p)->(%p) - stub\n", This, name);

    return E_NOTIMPL;
}

static HRESULT WINAPI AudioSessionControl_SetDisplayName(
        IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
{
2406
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2407 2408 2409 2410 2411 2412 2413 2414 2415

    FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));

    return E_NOTIMPL;
}

static HRESULT WINAPI AudioSessionControl_GetIconPath(
        IAudioSessionControl2 *iface, WCHAR **path)
{
2416
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2417 2418 2419 2420 2421 2422 2423 2424 2425

    FIXME("(%p)->(%p) - stub\n", This, path);

    return E_NOTIMPL;
}

static HRESULT WINAPI AudioSessionControl_SetIconPath(
        IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
{
2426
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2427 2428 2429 2430 2431 2432 2433 2434 2435

    FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));

    return E_NOTIMPL;
}

static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
        IAudioSessionControl2 *iface, GUID *group)
{
2436
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2437 2438 2439 2440 2441 2442 2443

    FIXME("(%p)->(%p) - stub\n", This, group);

    return E_NOTIMPL;
}

static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2444
        IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2445
{
2446
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2447 2448 2449 2450 2451 2452 2453 2454 2455 2456

    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)
{
2457
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2458 2459 2460 2461 2462 2463 2464 2465 2466

    FIXME("(%p)->(%p) - stub\n", This, events);

    return S_OK;
}

static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
        IAudioSessionControl2 *iface, IAudioSessionEvents *events)
{
2467
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2468 2469 2470 2471 2472 2473 2474 2475 2476

    FIXME("(%p)->(%p) - stub\n", This, events);

    return S_OK;
}

static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
        IAudioSessionControl2 *iface, WCHAR **id)
{
2477
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2478 2479 2480 2481 2482 2483 2484 2485 2486

    FIXME("(%p)->(%p) - stub\n", This, id);

    return E_NOTIMPL;
}

static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
        IAudioSessionControl2 *iface, WCHAR **id)
{
2487
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2488 2489 2490 2491 2492 2493 2494 2495 2496

    FIXME("(%p)->(%p) - stub\n", This, id);

    return E_NOTIMPL;
}

static HRESULT WINAPI AudioSessionControl_GetProcessId(
        IAudioSessionControl2 *iface, DWORD *pid)
{
2497
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511

    TRACE("(%p)->(%p)\n", This, pid);

    if(!pid)
        return E_POINTER;

    *pid = GetCurrentProcessId();

    return S_OK;
}

static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
        IAudioSessionControl2 *iface)
{
2512
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2513 2514 2515 2516 2517 2518 2519 2520 2521

    TRACE("(%p)\n", This);

    return S_FALSE;
}

static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
        IAudioSessionControl2 *iface, BOOL optout)
{
2522
    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572

    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)
{
2573 2574
    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
    return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2575 2576 2577 2578
}

static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
{
2579 2580
    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
    return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2581 2582 2583 2584 2585
}

static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
        ISimpleAudioVolume *iface, float level, const GUID *context)
{
2586 2587
    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
    AudioSession *session = This->session;
2588

2589
    TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2590

2591 2592 2593 2594 2595 2596 2597 2598 2599 2600
    if(level < 0.f || level > 1.f)
        return E_INVALIDARG;

    if(context)
        FIXME("Notifications not supported yet\n");

    EnterCriticalSection(&session->lock);

    session->master_vol = level;

2601
    TRACE("OSS doesn't support setting volume\n");
2602 2603 2604

    LeaveCriticalSection(&session->lock);

2605
    return S_OK;
2606 2607 2608 2609 2610
}

static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
        ISimpleAudioVolume *iface, float *level)
{
2611 2612
    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
    AudioSession *session = This->session;
2613

2614
    TRACE("(%p)->(%p)\n", session, level);
2615

2616 2617 2618 2619 2620 2621
    if(!level)
        return NULL_PTR_ERR;

    *level = session->master_vol;

    return S_OK;
2622 2623 2624 2625 2626
}

static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
        BOOL mute, const GUID *context)
{
2627 2628
    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
    AudioSession *session = This->session;
2629

2630
    TRACE("(%p)->(%u, %s)\n", session, mute, debugstr_guid(context));
2631

2632 2633
    EnterCriticalSection(&session->lock);

2634
    session->mute = mute;
2635 2636 2637 2638

    LeaveCriticalSection(&session->lock);

    return S_OK;
2639 2640 2641 2642 2643
}

static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
        BOOL *mute)
{
2644 2645
    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
    AudioSession *session = This->session;
2646

2647
    TRACE("(%p)->(%p)\n", session, mute);
2648 2649 2650

    if(!mute)
        return NULL_PTR_ERR;
2651

2652 2653 2654
    *mute = This->session->mute;

    return S_OK;
2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666
}

static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
{
    SimpleAudioVolume_QueryInterface,
    SimpleAudioVolume_AddRef,
    SimpleAudioVolume_Release,
    SimpleAudioVolume_SetMasterVolume,
    SimpleAudioVolume_GetMasterVolume,
    SimpleAudioVolume_SetMute,
    SimpleAudioVolume_GetMute
};
2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732

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;

    EnterCriticalSection(&This->lock);

    This->vols[index] = level;

2733
    TRACE("OSS doesn't support setting volume\n");
2734 2735 2736

    LeaveCriticalSection(&This->lock);

2737
    return S_OK;
2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776
}

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;

    EnterCriticalSection(&This->lock);

    for(i = 0; i < count; ++i)
        This->vols[i] = levels[i];

2777
    TRACE("OSS doesn't support setting volume\n");
2778 2779 2780

    LeaveCriticalSection(&This->lock);

2781
    return S_OK;
2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891
}

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");

    EnterCriticalSection(&session->lock);

    session->channel_vols[index] = level;

2892
    TRACE("OSS doesn't support setting volume\n");
2893 2894 2895

    LeaveCriticalSection(&session->lock);

2896
    return S_OK;
2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942
}

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");

    EnterCriticalSection(&session->lock);

    for(i = 0; i < count; ++i)
        session->channel_vols[i] = levels[i];

2943
    TRACE("OSS doesn't support setting volume\n");
2944 2945 2946

    LeaveCriticalSection(&session->lock);

2947
    return S_OK;
2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981
}

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
};
2982

2983
static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004
        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;
}

3005
static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
3006 3007 3008 3009 3010 3011 3012 3013
{
    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
    ULONG ref;
    ref = InterlockedIncrement(&This->ref);
    TRACE("(%p) Refcount now %u\n", This, ref);
    return ref;
}

3014
static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
3015 3016 3017 3018 3019 3020 3021 3022 3023 3024
{
    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;
}

3025
static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036
        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);

3037
    hr = get_audio_session(session_guid, This->device, 0, &session);
3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051
    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;
}

3052
static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063
        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);

3064
    hr = get_audio_session(session_guid, This->device, 0, &session);
3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078
    if(FAILED(hr))
        return hr;

    wrapper = AudioSessionWrapper_Create(NULL);
    if(!wrapper)
        return E_OUTOFMEMORY;

    wrapper->session = session;

    *out = &wrapper->ISimpleAudioVolume_iface;

    return S_OK;
}

3079
static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
3080 3081 3082 3083 3084 3085 3086
        IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
{
    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
    FIXME("(%p)->(%p) - stub\n", This, out);
    return E_NOTIMPL;
}

3087
static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
3088 3089 3090 3091 3092 3093 3094
        IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
{
    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
    FIXME("(%p)->(%p) - stub\n", This, notification);
    return E_NOTIMPL;
}

3095
static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
3096 3097 3098 3099 3100 3101 3102
        IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
{
    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
    FIXME("(%p)->(%p) - stub\n", This, notification);
    return E_NOTIMPL;
}

3103
static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
3104 3105 3106 3107 3108 3109 3110 3111
        IAudioSessionManager2 *iface, const WCHAR *session_id,
        IAudioVolumeDuckNotification *notification)
{
    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
    FIXME("(%p)->(%p) - stub\n", This, notification);
    return E_NOTIMPL;
}

3112
static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134
        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
};

3135
HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3136 3137 3138 3139 3140
        IAudioSessionManager2 **out)
{
    SessionMgr *This;

    This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3141
    if(!This)
3142 3143 3144
        return E_OUTOFMEMORY;

    This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3145
    This->device = device;
3146 3147 3148 3149 3150 3151
    This->ref = 1;

    *out = &This->IAudioSessionManager2_iface;

    return S_OK;
}