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wine/dlls/wineoss.drv/oss.c
Fabian Maurer e75d1b38b5 wineoss: Remove superflous check.
2024-02-15 20:36:28 +01:00

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/*
* OSS driver (unixlib)
*
* Copyright 2011 Andrew Eikum for CodeWeavers
* 2022 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <sys/soundcard.h>
#include <pthread.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "winternl.h"
#include "initguid.h"
#include "audioclient.h"
#include "mmddk.h"
#include "wine/debug.h"
#include "wine/unixlib.h"
#include "unixlib.h"
struct oss_stream
{
WAVEFORMATEX *fmt;
EDataFlow flow;
UINT flags;
AUDCLNT_SHAREMODE share;
HANDLE event;
int fd;
BOOL playing, mute, please_quit;
UINT64 written_frames, last_pos_frames;
UINT32 period_frames, bufsize_frames, held_frames, tmp_buffer_frames, in_oss_frames;
UINT32 oss_bufsize_bytes, lcl_offs_frames; /* offs into local_buffer where valid data starts */
REFERENCE_TIME period;
BYTE *local_buffer, *tmp_buffer;
INT32 getbuf_last; /* <0 when using tmp_buffer */
pthread_mutex_t lock;
};
WINE_DEFAULT_DEBUG_CHANNEL(oss);
static const REFERENCE_TIME def_period = 100000;
static const REFERENCE_TIME min_period = 50000;
static ULONG_PTR zero_bits = 0;
static NTSTATUS oss_not_implemented(void *args)
{
return STATUS_SUCCESS;
}
/* copied from kernelbase */
static int muldiv( int a, int b, int c )
{
LONGLONG ret;
if (!c) return -1;
/* We want to deal with a positive divisor to simplify the logic. */
if (c < 0)
{
a = -a;
c = -c;
}
/* If the result is positive, we "add" to round. else, we subtract to round. */
if ((a < 0 && b < 0) || (a >= 0 && b >= 0))
ret = (((LONGLONG)a * b) + (c / 2)) / c;
else
ret = (((LONGLONG)a * b) - (c / 2)) / c;
if (ret > 2147483647 || ret < -2147483647) return -1;
return ret;
}
static void oss_lock(struct oss_stream *stream)
{
pthread_mutex_lock(&stream->lock);
}
static void oss_unlock(struct oss_stream *stream)
{
pthread_mutex_unlock(&stream->lock);
}
static NTSTATUS oss_unlock_result(struct oss_stream *stream,
HRESULT *result, HRESULT value)
{
*result = value;
oss_unlock(stream);
return STATUS_SUCCESS;
}
static struct oss_stream *handle_get_stream(stream_handle h)
{
return (struct oss_stream *)(UINT_PTR)h;
}
static NTSTATUS oss_test_connect(void *args)
{
struct test_connect_params *params = args;
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");
params->priority = Priority_Unavailable;
return STATUS_SUCCESS;
}
sysinfo.version[0] = 0xFF;
sysinfo.versionnum = ~0;
if(ioctl(mixer_fd, SNDCTL_SYSINFO, &sysinfo) < 0){
TRACE("Priority_Unavailable: ioctl failed\n");
close(mixer_fd);
params->priority = Priority_Unavailable;
return STATUS_SUCCESS;
}
close(mixer_fd);
if(sysinfo.version[0] < '4' || sysinfo.version[0] > '9'){
TRACE("Priority_Low: sysinfo.version[0]: %x\n", sysinfo.version[0]);
params->priority = Priority_Low;
return STATUS_SUCCESS;
}
if(sysinfo.versionnum & 0x80000000){
TRACE("Priority_Low: sysinfo.versionnum: %x\n", sysinfo.versionnum);
params->priority = Priority_Low;
return STATUS_SUCCESS;
}
TRACE("Priority_Preferred: Seems like valid OSS!\n");
params->priority = Priority_Preferred;
return STATUS_SUCCESS;
}
/* dst must be large enough to hold devnode */
static void oss_clean_devnode(char *dest, const char *devnode)
{
const char *dot, *slash;
size_t len;
strcpy(dest, devnode);
dot = strrchr(dest, '.');
if(!dot)
return;
slash = strrchr(dest, '/');
if(slash && dot < slash)
return;
len = dot - dest;
dest[len] = '\0';
}
static int open_device(const char *device, EDataFlow flow)
{
int flags = ((flow == eRender) ? O_WRONLY : O_RDONLY) | O_NONBLOCK;
return open(device, flags, 0);
}
static void get_default_device(EDataFlow flow, char device[OSS_DEVNODE_SIZE])
{
int fd, err;
oss_audioinfo ai;
device[0] = '\0';
fd = open_device("/dev/dsp", flow);
if(fd < 0){
WARN("Couldn't open default device!\n");
return;
}
ai.dev = -1;
if((err = ioctl(fd, SNDCTL_ENGINEINFO, &ai)) < 0){
WARN("SNDCTL_ENGINEINFO failed: %d (%s)\n", err, strerror(errno));
close(fd);
return;
}
close(fd);
TRACE("Default devnode: %s\n", ai.devnode);
oss_clean_devnode(device, ai.devnode);
return;
}
static NTSTATUS oss_process_attach(void *args)
{
#ifdef _WIN64
if (NtCurrentTeb()->WowTebOffset)
{
SYSTEM_BASIC_INFORMATION info;
NtQuerySystemInformation(SystemEmulationBasicInformation, &info, sizeof(info), NULL);
zero_bits = (ULONG_PTR)info.HighestUserAddress | 0x7fffffff;
}
#endif
return STATUS_SUCCESS;
}
static NTSTATUS oss_main_loop(void *args)
{
struct main_loop_params *params = args;
NtSetEvent(params->event, NULL);
return STATUS_SUCCESS;
}
static NTSTATUS oss_get_endpoint_ids(void *args)
{
struct get_endpoint_ids_params *params = args;
oss_sysinfo sysinfo;
oss_audioinfo ai;
static int print_once = 0;
static const WCHAR outW[] = {'O','u','t',':',' ',0};
static const WCHAR inW[] = {'I','n',':',' ',0};
struct endpoint_info
{
WCHAR name[ARRAY_SIZE(ai.name) + ARRAY_SIZE(outW)];
char device[OSS_DEVNODE_SIZE];
} *info;
unsigned int i, j, num, needed, name_len, device_len, offset, default_idx = 0;
char default_device[OSS_DEVNODE_SIZE];
struct endpoint *endpoint;
int mixer_fd;
mixer_fd = open("/dev/mixer", O_RDONLY, 0);
if(mixer_fd < 0){
ERR("OSS /dev/mixer doesn't seem to exist\n");
params->result = AUDCLNT_E_SERVICE_NOT_RUNNING;
return STATUS_SUCCESS;
}
if(ioctl(mixer_fd, SNDCTL_SYSINFO, &sysinfo) < 0){
close(mixer_fd);
if(errno == EINVAL){
ERR("OSS version too old, need at least OSSv4\n");
params->result = AUDCLNT_E_SERVICE_NOT_RUNNING;
return STATUS_SUCCESS;
}
ERR("Error getting SNDCTL_SYSINFO: %d (%s)\n", errno, strerror(errno));
params->result = E_FAIL;
return STATUS_SUCCESS;
}
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);
params->result = AUDCLNT_E_SERVICE_NOT_RUNNING;
return STATUS_SUCCESS;
}
info = malloc(sysinfo.numaudios * sizeof(*info));
if(!info){
close(mixer_fd);
params->result = E_OUTOFMEMORY;
return STATUS_SUCCESS;
}
get_default_device(params->flow, default_device);
num = 0;
for(i = 0; i < sysinfo.numaudios; ++i){
char devnode[OSS_DEVNODE_SIZE];
int fd, prefix_len;
const WCHAR *prefix;
memset(&ai, 0, sizeof(ai));
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;
}
oss_clean_devnode(devnode, ai.devnode);
/* check for duplicates */
for(j = 0; j < num; j++)
if(!strcmp(devnode, info[j].device))
break;
if(j < num)
continue;
fd = open_device(devnode, params->flow);
if(fd < 0){
WARN("Opening device \"%s\" failed, pretending it doesn't exist: %d (%s)\n",
devnode, errno, strerror(errno));
continue;
}
close(fd);
if((params->flow == eCapture && !(ai.caps & PCM_CAP_INPUT)) ||
(params->flow == eRender && !(ai.caps & PCM_CAP_OUTPUT)))
continue;
strcpy(info[num].device, devnode);
if(params->flow == eRender){
prefix = outW;
prefix_len = ARRAY_SIZE(outW) - 1;
}else{
prefix = inW;
prefix_len = ARRAY_SIZE(inW) - 1;
}
memcpy(info[num].name, prefix, prefix_len * sizeof(WCHAR));
ntdll_umbstowcs(ai.name, strlen(ai.name) + 1, info[num].name + prefix_len,
ARRAY_SIZE(info[num].name) - prefix_len);
if(!strcmp(default_device, info[num].device))
default_idx = num;
num++;
}
close(mixer_fd);
offset = needed = num * sizeof(*params->endpoints);
endpoint = params->endpoints;
for(i = 0; i < num; i++){
name_len = wcslen(info[i].name) + 1;
device_len = strlen(info[i].device) + 1;
needed += name_len * sizeof(WCHAR) + ((device_len + 1) & ~1);
if(needed <= params->size){
endpoint->name = offset;
memcpy((char *)params->endpoints + offset, info[i].name, name_len * sizeof(WCHAR));
offset += name_len * sizeof(WCHAR);
endpoint->device = offset;
memcpy((char *)params->endpoints + offset, info[i].device, device_len);
offset += (device_len + 1) & ~1;
endpoint++;
}
}
free(info);
params->num = num;
params->default_idx = default_idx;
if(needed > params->size){
params->size = needed;
params->result = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
} else
params->result = S_OK;
return STATUS_SUCCESS;
}
static UINT get_channel_mask(unsigned int channels)
{
switch(channels){
case 0:
return 0;
case 1:
return KSAUDIO_SPEAKER_MONO;
case 2:
return KSAUDIO_SPEAKER_STEREO;
case 3:
return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
case 4:
return KSAUDIO_SPEAKER_QUAD; /* not _SURROUND */
case 5:
return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
case 6:
return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
case 7:
return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
case 8:
return KSAUDIO_SPEAKER_7POINT1_SURROUND; /* Vista deprecates 7POINT1 */
}
FIXME("Unknown speaker configuration: %u\n", channels);
return 0;
}
static 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:
return AFMT_S24_LE;
case 32:
return AFMT_S32_LE;
}
return -1;
}
#ifdef AFMT_FLOAT
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;
}
#endif
return -1;
}
static WAVEFORMATEXTENSIBLE *clone_format(const WAVEFORMATEX *fmt)
{
WAVEFORMATEXTENSIBLE *ret;
size_t size;
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
size = sizeof(WAVEFORMATEXTENSIBLE);
else
size = sizeof(WAVEFORMATEX);
ret = malloc(size);
if(!ret)
return NULL;
memcpy(ret, fmt, size);
ret->Format.cbSize = size - sizeof(WAVEFORMATEX);
return ret;
}
static HRESULT setup_oss_device(AUDCLNT_SHAREMODE share, int fd,
const WAVEFORMATEX *fmt, WAVEFORMATEXTENSIBLE *out)
{
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
int tmp, oss_format;
double tenth;
HRESULT ret = S_OK;
WAVEFORMATEXTENSIBLE *closest;
tmp = oss_format = get_oss_format(fmt);
if(oss_format < 0)
return AUDCLNT_E_UNSUPPORTED_FORMAT;
if(ioctl(fd, SNDCTL_DSP_SETFMT, &tmp) < 0){
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;
}
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
(fmtex->Format.nAvgBytesPerSec == 0 ||
fmtex->Format.nBlockAlign == 0 ||
fmtex->Samples.wValidBitsPerSample > fmtex->Format.wBitsPerSample))
return E_INVALIDARG;
if(fmt->nChannels == 0)
return AUDCLNT_E_UNSUPPORTED_FORMAT;
closest = clone_format(fmt);
if(!closest)
return E_OUTOFMEMORY;
tmp = fmt->nSamplesPerSec;
if(ioctl(fd, SNDCTL_DSP_SPEED, &tmp) < 0){
WARN("SPEED failed: %d (%s)\n", errno, strerror(errno));
free(closest);
return E_FAIL;
}
tenth = fmt->nSamplesPerSec * 0.1;
if(tmp > fmt->nSamplesPerSec + tenth || tmp < fmt->nSamplesPerSec - tenth){
ret = S_FALSE;
closest->Format.nSamplesPerSec = tmp;
}
tmp = fmt->nChannels;
if(ioctl(fd, SNDCTL_DSP_CHANNELS, &tmp) < 0){
WARN("CHANNELS failed: %d (%s)\n", errno, strerror(errno));
free(closest);
return E_FAIL;
}
if(tmp != fmt->nChannels){
ret = S_FALSE;
closest->Format.nChannels = tmp;
}
if(closest->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE)
closest->dwChannelMask = get_channel_mask(closest->Format.nChannels);
if(fmt->nBlockAlign != fmt->nChannels * fmt->wBitsPerSample / 8 ||
fmt->nAvgBytesPerSec != fmt->nBlockAlign * fmt->nSamplesPerSec ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
fmtex->Samples.wValidBitsPerSample < fmtex->Format.wBitsPerSample))
ret = S_FALSE;
if(share == AUDCLNT_SHAREMODE_EXCLUSIVE &&
fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
if(fmtex->dwChannelMask == 0 || fmtex->dwChannelMask & SPEAKER_RESERVED)
ret = S_FALSE;
}
if(ret == S_FALSE && !out)
ret = AUDCLNT_E_UNSUPPORTED_FORMAT;
if(ret == S_FALSE){
closest->Format.nBlockAlign =
closest->Format.nChannels * closest->Format.wBitsPerSample / 8;
closest->Format.nAvgBytesPerSec =
closest->Format.nBlockAlign * closest->Format.nSamplesPerSec;
if(closest->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE)
closest->Samples.wValidBitsPerSample = closest->Format.wBitsPerSample;
memcpy(out, closest, closest->Format.cbSize + sizeof(WAVEFORMATEX));
}
free(closest);
TRACE("returning: %08x\n", (unsigned)ret);
return ret;
}
static NTSTATUS oss_create_stream(void *args)
{
struct create_stream_params *params = args;
WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE *)params->fmt;
struct oss_stream *stream;
oss_audioinfo ai;
SIZE_T size;
params->result = S_OK;
if (params->share == AUDCLNT_SHAREMODE_SHARED) {
params->period = def_period;
if (params->duration < 3 * params->period)
params->duration = 3 * params->period;
} else {
if (fmtex->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
(fmtex->dwChannelMask == 0 || fmtex->dwChannelMask & SPEAKER_RESERVED))
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
else {
if (!params->period)
params->period = def_period;
if (params->period < min_period || params->period > 5000000)
params->result = AUDCLNT_E_INVALID_DEVICE_PERIOD;
else if (params->duration > 20000000) /* The smaller the period, the lower this limit. */
params->result = AUDCLNT_E_BUFFER_SIZE_ERROR;
else if (params->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) {
if (params->duration != params->period)
params->result = AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL;
FIXME("EXCLUSIVE mode with EVENTCALLBACK\n");
params->result = AUDCLNT_E_DEVICE_IN_USE;
} else if (params->duration < 8 * params->period)
params->duration = 8 * params->period; /* May grow above 2s. */
}
}
if (FAILED(params->result))
return STATUS_SUCCESS;
stream = calloc(1, sizeof(*stream));
if(!stream){
params->result = E_OUTOFMEMORY;
return STATUS_SUCCESS;
}
stream->flow = params->flow;
pthread_mutex_init(&stream->lock, NULL);
stream->fd = open_device(params->device, params->flow);
if(stream->fd < 0){
WARN("Unable to open device %s: %d (%s)\n", params->device, errno, strerror(errno));
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
goto exit;
}
ai.dev = -1;
if(ioctl(stream->fd, SNDCTL_ENGINEINFO, &ai) < 0){
WARN("Unable to get audio info for device %s: %d (%s)\n", params->device, errno, strerror(errno));
params->result = E_FAIL;
goto exit;
}
TRACE("OSS audioinfo:\n");
TRACE("devnode: %s\n", ai.devnode);
TRACE("name: %s\n", ai.name);
TRACE("busy: %x\n", ai.busy);
TRACE("caps: %x\n", ai.caps);
TRACE("iformats: %x\n", ai.iformats);
TRACE("oformats: %x\n", ai.oformats);
TRACE("enabled: %d\n", ai.enabled);
TRACE("min_rate: %d\n", ai.min_rate);
TRACE("max_rate: %d\n", ai.max_rate);
TRACE("min_channels: %d\n", ai.min_channels);
TRACE("max_channels: %d\n", ai.max_channels);
params->result = setup_oss_device(params->share, stream->fd, params->fmt, NULL);
if(FAILED(params->result))
goto exit;
fmtex = clone_format(params->fmt);
if(!fmtex){
params->result = E_OUTOFMEMORY;
goto exit;
}
stream->fmt = &fmtex->Format;
stream->period = params->period;
stream->period_frames = muldiv(params->fmt->nSamplesPerSec, params->period, 10000000);
stream->bufsize_frames = muldiv(params->duration, params->fmt->nSamplesPerSec, 10000000);
if(params->share == AUDCLNT_SHAREMODE_EXCLUSIVE)
stream->bufsize_frames -= stream->bufsize_frames % stream->period_frames;
size = stream->bufsize_frames * params->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, zero_bits,
&size, MEM_COMMIT, PAGE_READWRITE)){
params->result = E_OUTOFMEMORY;
goto exit;
}
stream->share = params->share;
stream->flags = params->flags;
stream->oss_bufsize_bytes = 0;
exit:
if(FAILED(params->result)){
if(stream->fd >= 0) close(stream->fd);
if(stream->local_buffer){
size = 0;
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, &size, MEM_RELEASE);
}
pthread_mutex_destroy(&stream->lock);
free(stream->fmt);
free(stream);
}else{
*params->channel_count = params->fmt->nChannels;
*params->stream = (stream_handle)(UINT_PTR)stream;
}
return STATUS_SUCCESS;
}
static NTSTATUS oss_release_stream(void *args)
{
struct release_stream_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
SIZE_T size;
if(params->timer_thread){
stream->please_quit = TRUE;
NtWaitForSingleObject(params->timer_thread, FALSE, NULL);
NtClose(params->timer_thread);
}
close(stream->fd);
if(stream->local_buffer){
size = 0;
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, &size, MEM_RELEASE);
}
if(stream->tmp_buffer){
size = 0;
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
}
free(stream->fmt);
pthread_mutex_destroy(&stream->lock);
free(stream);
params->result = S_OK;
return STATUS_SUCCESS;
}
static NTSTATUS oss_start(void *args)
{
struct start_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
if((stream->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !stream->event)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_EVENTHANDLE_NOT_SET);
if(stream->playing)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_NOT_STOPPED);
stream->playing = TRUE;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_stop(void *args)
{
struct stop_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
if(!stream->playing)
return oss_unlock_result(stream, &params->result, S_FALSE);
stream->playing = FALSE;
stream->in_oss_frames = 0;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_reset(void *args)
{
struct reset_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
if(stream->playing)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_NOT_STOPPED);
if(stream->getbuf_last)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_BUFFER_OPERATION_PENDING);
if(stream->flow == eRender){
stream->written_frames = 0;
stream->last_pos_frames = 0;
}else{
stream->written_frames += stream->held_frames;
}
stream->held_frames = 0;
stream->lcl_offs_frames = 0;
stream->in_oss_frames = 0;
return oss_unlock_result(stream, &params->result, S_OK);
}
static void silence_buffer(struct oss_stream *stream, BYTE *buffer, UINT32 frames)
{
WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)stream->fmt;
if((stream->fmt->wFormatTag == WAVE_FORMAT_PCM ||
(stream->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) &&
stream->fmt->wBitsPerSample == 8)
memset(buffer, 128, frames * stream->fmt->nBlockAlign);
else
memset(buffer, 0, frames * stream->fmt->nBlockAlign);
}
static void oss_write_data(struct oss_stream *stream)
{
ssize_t written_bytes;
UINT32 written_frames, in_oss_frames, write_limit, max_period, write_offs_frames, new_frames;
SIZE_T to_write_frames, to_write_bytes, advanced;
audio_buf_info bi;
BYTE *buf;
if(ioctl(stream->fd, SNDCTL_DSP_GETOSPACE, &bi) < 0){
WARN("GETOSPACE failed: %d (%s)\n", errno, strerror(errno));
return;
}
max_period = max(bi.fragsize / stream->fmt->nBlockAlign, stream->period_frames);
if(bi.bytes > stream->oss_bufsize_bytes){
TRACE("New buffer size (%u) is larger than old buffer size (%u)\n",
bi.bytes, stream->oss_bufsize_bytes);
stream->oss_bufsize_bytes = bi.bytes;
in_oss_frames = 0;
}else
in_oss_frames = (stream->oss_bufsize_bytes - bi.bytes) / stream->fmt->nBlockAlign;
if(in_oss_frames > stream->in_oss_frames){
TRACE("Capping reported frames from %u to %u\n",
in_oss_frames, stream->in_oss_frames);
in_oss_frames = stream->in_oss_frames;
}
write_limit = 0;
while(write_limit + in_oss_frames < max_period * 3)
write_limit += max_period;
if(write_limit == 0)
return;
/* vvvvvv - in_oss_frames
* [--xxxxxxxxxx]
* [xxxxxxxxxx--]
* ^^^^^^^^^^ - held_frames
* ^ - lcl_offs_frames
*/
advanced = stream->in_oss_frames - in_oss_frames;
if(advanced > stream->held_frames)
advanced = stream->held_frames;
stream->lcl_offs_frames += advanced;
stream->lcl_offs_frames %= stream->bufsize_frames;
stream->held_frames -= advanced;
stream->in_oss_frames = in_oss_frames;
TRACE("advanced by %lu, lcl_offs: %u, held: %u, in_oss: %u\n",
advanced, stream->lcl_offs_frames, stream->held_frames, stream->in_oss_frames);
if(stream->held_frames == stream->in_oss_frames)
return;
write_offs_frames = (stream->lcl_offs_frames + stream->in_oss_frames) % stream->bufsize_frames;
new_frames = stream->held_frames - stream->in_oss_frames;
if(write_offs_frames + new_frames > stream->bufsize_frames)
to_write_frames = stream->bufsize_frames - write_offs_frames;
else
to_write_frames = new_frames;
to_write_frames = min(to_write_frames, write_limit);
to_write_bytes = to_write_frames * stream->fmt->nBlockAlign;
TRACE("going to write %lu frames from %u (%lu of %u)\n", to_write_frames,
write_offs_frames, to_write_frames + write_offs_frames,
stream->bufsize_frames);
buf = stream->local_buffer + write_offs_frames * stream->fmt->nBlockAlign;
if(stream->mute)
silence_buffer(stream, buf, to_write_frames);
written_bytes = write(stream->fd, buf, to_write_bytes);
if(written_bytes < 0){
/* EAGAIN is OSS buffer full, log that too */
WARN("write failed: %d (%s)\n", errno, strerror(errno));
return;
}
written_frames = written_bytes / stream->fmt->nBlockAlign;
stream->in_oss_frames += written_frames;
if(written_frames < to_write_frames){
/* OSS buffer probably full */
return;
}
if(new_frames > written_frames && written_frames < write_limit){
/* wrapped and have some data back at the start to write */
to_write_frames = min(write_limit - written_frames, new_frames - written_frames);
to_write_bytes = to_write_frames * stream->fmt->nBlockAlign;
if(stream->mute)
silence_buffer(stream, stream->local_buffer, to_write_frames);
TRACE("wrapping to write %lu frames from beginning\n", to_write_frames);
written_bytes = write(stream->fd, stream->local_buffer, to_write_bytes);
if(written_bytes < 0){
WARN("write failed: %d (%s)\n", errno, strerror(errno));
return;
}
written_frames = written_bytes / stream->fmt->nBlockAlign;
stream->in_oss_frames += written_frames;
}
}
static void oss_read_data(struct oss_stream *stream)
{
UINT64 pos, readable;
ssize_t nread;
pos = (stream->held_frames + stream->lcl_offs_frames) % stream->bufsize_frames;
readable = (stream->bufsize_frames - pos) * stream->fmt->nBlockAlign;
nread = read(stream->fd, stream->local_buffer + pos * stream->fmt->nBlockAlign,
readable);
if(nread < 0){
WARN("read failed: %d (%s)\n", errno, strerror(errno));
return;
}
stream->held_frames += nread / stream->fmt->nBlockAlign;
if(stream->held_frames > stream->bufsize_frames){
WARN("Overflow of unread data\n");
stream->lcl_offs_frames += stream->held_frames;
stream->lcl_offs_frames %= stream->bufsize_frames;
stream->held_frames = stream->bufsize_frames;
}
}
static NTSTATUS oss_timer_loop(void *args)
{
struct timer_loop_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
LARGE_INTEGER delay, now, next;
int adjust;
oss_lock(stream);
delay.QuadPart = -stream->period;
NtQueryPerformanceCounter(&now, NULL);
next.QuadPart = now.QuadPart + stream->period;
while(!stream->please_quit){
if(stream->playing){
if(stream->flow == eRender && stream->held_frames)
oss_write_data(stream);
else if(stream->flow == eCapture)
oss_read_data(stream);
}
if(stream->event)
NtSetEvent(stream->event, NULL);
oss_unlock(stream);
NtDelayExecution(FALSE, &delay);
oss_lock(stream);
NtQueryPerformanceCounter(&now, NULL);
adjust = next.QuadPart - now.QuadPart;
if(adjust > stream->period / 2)
adjust = stream->period / 2;
else if(adjust < -stream->period / 2)
adjust = -stream->period / 2;
delay.QuadPart = -(stream->period + adjust);
next.QuadPart += stream->period;
}
oss_unlock(stream);
return STATUS_SUCCESS;
}
static NTSTATUS oss_get_render_buffer(void *args)
{
struct get_render_buffer_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT32 write_pos, frames = params->frames;
BYTE **data = params->data;
SIZE_T size;
oss_lock(stream);
if(stream->getbuf_last)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_OUT_OF_ORDER);
if(!frames)
return oss_unlock_result(stream, &params->result, S_OK);
if(stream->held_frames + frames > stream->bufsize_frames)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_BUFFER_TOO_LARGE);
write_pos =
(stream->lcl_offs_frames + stream->held_frames) % stream->bufsize_frames;
if(write_pos + frames > stream->bufsize_frames){
if(stream->tmp_buffer_frames < frames){
if(stream->tmp_buffer){
size = 0;
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
stream->tmp_buffer = NULL;
}
size = frames * stream->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits,
&size, MEM_COMMIT, PAGE_READWRITE)){
stream->tmp_buffer_frames = 0;
return oss_unlock_result(stream, &params->result, E_OUTOFMEMORY);
}
stream->tmp_buffer_frames = frames;
}
*data = stream->tmp_buffer;
stream->getbuf_last = -frames;
}else{
*data = stream->local_buffer + write_pos * stream->fmt->nBlockAlign;
stream->getbuf_last = frames;
}
silence_buffer(stream, *data, frames);
return oss_unlock_result(stream, &params->result, S_OK);
}
static void oss_wrap_buffer(struct oss_stream *stream, BYTE *buffer, UINT32 written_frames)
{
UINT32 write_offs_frames =
(stream->lcl_offs_frames + stream->held_frames) % stream->bufsize_frames;
UINT32 write_offs_bytes = write_offs_frames * stream->fmt->nBlockAlign;
UINT32 chunk_frames = stream->bufsize_frames - write_offs_frames;
UINT32 chunk_bytes = chunk_frames * stream->fmt->nBlockAlign;
UINT32 written_bytes = written_frames * stream->fmt->nBlockAlign;
if(written_bytes <= chunk_bytes){
memcpy(stream->local_buffer + write_offs_bytes, buffer, written_bytes);
}else{
memcpy(stream->local_buffer + write_offs_bytes, buffer, chunk_bytes);
memcpy(stream->local_buffer, buffer + chunk_bytes,
written_bytes - chunk_bytes);
}
}
static NTSTATUS oss_release_render_buffer(void *args)
{
struct release_render_buffer_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT32 written_frames = params->written_frames;
UINT flags = params->flags;
BYTE *buffer;
oss_lock(stream);
if(!written_frames){
stream->getbuf_last = 0;
return oss_unlock_result(stream, &params->result, S_OK);
}
if(!stream->getbuf_last)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_OUT_OF_ORDER);
if(written_frames > (stream->getbuf_last >= 0 ? stream->getbuf_last : -stream->getbuf_last))
return oss_unlock_result(stream, &params->result, AUDCLNT_E_INVALID_SIZE);
if(stream->getbuf_last >= 0)
buffer = stream->local_buffer + stream->fmt->nBlockAlign *
((stream->lcl_offs_frames + stream->held_frames) % stream->bufsize_frames);
else
buffer = stream->tmp_buffer;
if(flags & AUDCLNT_BUFFERFLAGS_SILENT)
silence_buffer(stream, buffer, written_frames);
if(stream->getbuf_last < 0)
oss_wrap_buffer(stream, buffer, written_frames);
stream->held_frames += written_frames;
stream->written_frames += written_frames;
stream->getbuf_last = 0;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_get_capture_buffer(void *args)
{
struct get_capture_buffer_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT64 *devpos = params->devpos, *qpcpos = params->qpcpos;
UINT32 *frames = params->frames;
UINT *flags = params->flags;
BYTE **data = params->data;
SIZE_T size;
oss_lock(stream);
if(stream->getbuf_last)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_OUT_OF_ORDER);
if(stream->held_frames < stream->period_frames){
*frames = 0;
return oss_unlock_result(stream, &params->result, AUDCLNT_S_BUFFER_EMPTY);
}
*flags = 0;
*frames = stream->period_frames;
if(stream->lcl_offs_frames + *frames > stream->bufsize_frames){
UINT32 chunk_bytes, offs_bytes, frames_bytes;
if(stream->tmp_buffer_frames < *frames){
if(stream->tmp_buffer){
size = 0;
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
stream->tmp_buffer = NULL;
}
size = *frames * stream->fmt->nBlockAlign;
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits,
&size, MEM_COMMIT, PAGE_READWRITE)){
stream->tmp_buffer_frames = 0;
return oss_unlock_result(stream, &params->result, E_OUTOFMEMORY);
}
stream->tmp_buffer_frames = *frames;
}
*data = stream->tmp_buffer;
chunk_bytes = (stream->bufsize_frames - stream->lcl_offs_frames) *
stream->fmt->nBlockAlign;
offs_bytes = stream->lcl_offs_frames * stream->fmt->nBlockAlign;
frames_bytes = *frames * stream->fmt->nBlockAlign;
memcpy(stream->tmp_buffer, stream->local_buffer + offs_bytes, chunk_bytes);
memcpy(stream->tmp_buffer + chunk_bytes, stream->local_buffer,
frames_bytes - chunk_bytes);
}else
*data = stream->local_buffer +
stream->lcl_offs_frames * stream->fmt->nBlockAlign;
stream->getbuf_last = *frames;
if(devpos)
*devpos = stream->written_frames;
if(qpcpos){
LARGE_INTEGER stamp, freq;
NtQueryPerformanceCounter(&stamp, &freq);
*qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
}
return oss_unlock_result(stream, &params->result, *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY);
}
static NTSTATUS oss_release_capture_buffer(void *args)
{
struct release_capture_buffer_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT32 done = params->done;
oss_lock(stream);
if(!done){
stream->getbuf_last = 0;
return oss_unlock_result(stream, &params->result, S_OK);
}
if(!stream->getbuf_last)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_OUT_OF_ORDER);
if(stream->getbuf_last != done)
return oss_unlock_result(stream, &params->result, AUDCLNT_E_INVALID_SIZE);
stream->written_frames += done;
stream->held_frames -= done;
stream->lcl_offs_frames += done;
stream->lcl_offs_frames %= stream->bufsize_frames;
stream->getbuf_last = 0;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_is_format_supported(void *args)
{
struct is_format_supported_params *params = args;
int fd;
params->result = S_OK;
if(!params->fmt_in || (params->share == AUDCLNT_SHAREMODE_SHARED && !params->fmt_out))
params->result = E_POINTER;
else if(params->share != AUDCLNT_SHAREMODE_SHARED && params->share != AUDCLNT_SHAREMODE_EXCLUSIVE)
params->result = E_INVALIDARG;
else if(params->fmt_in->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
params->fmt_in->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
params->result = E_INVALIDARG;
if(FAILED(params->result))
return STATUS_SUCCESS;
fd = open_device(params->device, params->flow);
if(fd < 0){
WARN("Unable to open device %s: %d (%s)\n", params->device, errno, strerror(errno));
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
return STATUS_SUCCESS;
}
params->result = setup_oss_device(params->share, fd, params->fmt_in, params->fmt_out);
close(fd);
return STATUS_SUCCESS;
}
static NTSTATUS oss_get_mix_format(void *args)
{
struct get_mix_format_params *params = args;
WAVEFORMATEXTENSIBLE *fmt = params->fmt;
oss_audioinfo ai;
int formats, fd;
if(params->flow != eRender && params->flow != eCapture){
params->result = E_UNEXPECTED;
return STATUS_SUCCESS;
}
fd = open_device(params->device, params->flow);
if(fd < 0){
WARN("Unable to open device %s: %d (%s)\n", params->device, errno, strerror(errno));
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
return STATUS_SUCCESS;
}
ai.dev = -1;
if(ioctl(fd, SNDCTL_ENGINEINFO, &ai) < 0){
WARN("Unable to get audio info for device %s: %d (%s)\n", params->device, errno, strerror(errno));
close(fd);
params->result = E_FAIL;
return STATUS_SUCCESS;
}
close(fd);
if(params->flow == eRender)
formats = ai.oformats;
else
formats = ai.iformats;
fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
if(formats & AFMT_S16_LE){
fmt->Format.wBitsPerSample = 16;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
#ifdef AFMT_FLOAT
}else if(formats & AFMT_FLOAT){
fmt->Format.wBitsPerSample = 32;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
#endif
}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;
}else if(formats & AFMT_S24_LE){
fmt->Format.wBitsPerSample = 24;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}else{
WARN("Didn't recognize any available OSS formats: %x\n", formats);
params->result = E_FAIL;
return STATUS_SUCCESS;
}
/* some OSS drivers are buggy, so set reasonable defaults if
* the reported values seem wacky */
fmt->Format.nChannels = max(ai.max_channels, ai.min_channels);
if(fmt->Format.nChannels == 0 || fmt->Format.nChannels > 8)
fmt->Format.nChannels = 2;
/* For most hardware on Windows, users must choose a configuration with an even
* number of channels (stereo, quad, 5.1, 7.1). Users can then disable
* channels, but those channels are still reported to applications from
* GetMixFormat! Some applications behave badly if given an odd number of
* channels (e.g. 2.1). */
if(fmt->Format.nChannels > 1 && (fmt->Format.nChannels & 0x1))
{
if(fmt->Format.nChannels < ai.max_channels)
fmt->Format.nChannels += 1;
else
/* We could "fake" more channels and downmix the emulated channels,
* but at that point you really ought to tweak your OSS setup or
* just use PulseAudio. */
WARN("Some Windows applications behave badly with an odd number of channels (%u)!\n", fmt->Format.nChannels);
}
if(ai.max_rate == 0)
fmt->Format.nSamplesPerSec = 44100;
else
fmt->Format.nSamplesPerSec = min(ai.max_rate, 44100);
if(fmt->Format.nSamplesPerSec < ai.min_rate)
fmt->Format.nSamplesPerSec = ai.min_rate;
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);
params->result = S_OK;
return STATUS_SUCCESS;
}
static NTSTATUS oss_get_device_period(void *args)
{
struct get_device_period_params *params = args;
if (params->def_period)
*params->def_period = def_period;
if (params->min_period)
*params->min_period = min_period;
params->result = S_OK;
return STATUS_SUCCESS;
}
static NTSTATUS oss_get_buffer_size(void *args)
{
struct get_buffer_size_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
*params->frames = stream->bufsize_frames;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_get_latency(void *args)
{
struct get_latency_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
/* pretend we process audio in Period chunks, so max latency includes
* the period time. Some native machines add .6666ms in shared mode. */
*params->latency = stream->period + 6666;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_get_current_padding(void *args)
{
struct get_current_padding_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
*params->padding = stream->held_frames;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_get_next_packet_size(void *args)
{
struct get_next_packet_size_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT32 *frames = params->frames;
oss_lock(stream);
*frames = stream->held_frames < stream->period_frames ? 0 : stream->period_frames;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_get_frequency(void *args)
{
struct get_frequency_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT64 *freq = params->freq;
oss_lock(stream);
if(stream->share == AUDCLNT_SHAREMODE_SHARED)
*freq = (UINT64)stream->fmt->nSamplesPerSec * stream->fmt->nBlockAlign;
else
*freq = stream->fmt->nSamplesPerSec;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_get_position(void *args)
{
struct get_position_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT64 *pos = params->pos, *qpctime = params->qpctime;
if (params->device) {
FIXME("Device position reporting not implemented\n");
params->result = E_NOTIMPL;
return STATUS_SUCCESS;
}
oss_lock(stream);
if(stream->flow == eRender){
*pos = stream->written_frames - stream->held_frames;
if(*pos < stream->last_pos_frames)
*pos = stream->last_pos_frames;
}else if(stream->flow == eCapture){
audio_buf_info bi;
UINT32 held;
if(ioctl(stream->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 / stream->fmt->nBlockAlign;
}
*pos = stream->written_frames + held;
}
stream->last_pos_frames = *pos;
TRACE("returning: %s\n", wine_dbgstr_longlong(*pos));
if(stream->share == AUDCLNT_SHAREMODE_SHARED)
*pos *= stream->fmt->nBlockAlign;
if(qpctime){
LARGE_INTEGER stamp, freq;
NtQueryPerformanceCounter(&stamp, &freq);
*qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
}
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_set_volumes(void *args)
{
struct set_volumes_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
UINT16 i;
if (params->master_volume) {
for (i = 0; i < stream->fmt->nChannels; ++i) {
if (params->master_volume * params->volumes[i] * params->session_volumes[i] != 1.0f) {
FIXME("Volume control is not implemented\n");
break;
}
}
}
oss_lock(stream);
stream->mute = !params->master_volume;
oss_unlock(stream);
return STATUS_SUCCESS;
}
static NTSTATUS oss_set_event_handle(void *args)
{
struct set_event_handle_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
if(!(stream->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK))
return oss_unlock_result(stream, &params->result, AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED);
if (stream->event){
FIXME("called twice\n");
return oss_unlock_result(stream, &params->result, HRESULT_FROM_WIN32(ERROR_INVALID_NAME));
}
stream->event = params->event;
return oss_unlock_result(stream, &params->result, S_OK);
}
static NTSTATUS oss_is_started(void *args)
{
struct is_started_params *params = args;
struct oss_stream *stream = handle_get_stream(params->stream);
oss_lock(stream);
return oss_unlock_result(stream, &params->result, stream->playing ? S_OK : S_FALSE);
}
static NTSTATUS oss_get_prop_value(void *args)
{
struct get_prop_value_params *params = args;
params->result = E_NOTIMPL;
return STATUS_SUCCESS;
}
/* Aux driver */
static unsigned int num_aux;
#define MIXER_DEV "/dev/mixer"
static UINT aux_init(void)
{
int mixer;
TRACE("()\n");
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0)
{
WARN("mixer device not available !\n");
num_aux = 0;
}
else
{
close(mixer);
num_aux = 6;
}
return 0;
}
static UINT aux_exit(void)
{
TRACE("()\n");
return 0;
}
static UINT aux_get_devcaps(WORD dev_id, AUXCAPSW *caps, UINT size)
{
int mixer, volume;
static const WCHAR ini[] = {'O','S','S',' ','A','u','x',' ','#','0',0};
TRACE("(%04X, %p, %u);\n", dev_id, caps, size);
if (caps == NULL) return MMSYSERR_NOTENABLED;
if (dev_id >= num_aux) return MMSYSERR_BADDEVICEID;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0)
{
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_LINE, &volume) == -1)
{
close(mixer);
WARN("unable to read mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
caps->wMid = 0xAA;
caps->wPid = 0x55 + dev_id;
caps->vDriverVersion = 0x0100;
memcpy(caps->szPname, ini, sizeof(ini));
caps->szPname[9] = '0' + dev_id; /* 6 at max */
caps->wTechnology = (dev_id == 2) ? AUXCAPS_CDAUDIO : AUXCAPS_AUXIN;
caps->wReserved1 = 0;
caps->dwSupport = AUXCAPS_VOLUME | AUXCAPS_LRVOLUME;
return MMSYSERR_NOERROR;
}
static UINT aux_get_volume(WORD dev_id, UINT *vol)
{
int mixer, volume, left, right, cmd;
TRACE("(%04X, %p);\n", dev_id, vol);
if (vol == NULL) return MMSYSERR_NOTENABLED;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0)
{
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
switch(dev_id)
{
case 0:
TRACE("SOUND_MIXER_READ_PCM !\n");
cmd = SOUND_MIXER_READ_PCM;
break;
case 1:
TRACE("SOUND_MIXER_READ_SYNTH !\n");
cmd = SOUND_MIXER_READ_SYNTH;
break;
case 2:
TRACE("SOUND_MIXER_READ_CD !\n");
cmd = SOUND_MIXER_READ_CD;
break;
case 3:
TRACE("SOUND_MIXER_READ_LINE !\n");
cmd = SOUND_MIXER_READ_LINE;
break;
case 4:
TRACE("SOUND_MIXER_READ_MIC !\n");
cmd = SOUND_MIXER_READ_MIC;
break;
case 5:
TRACE("SOUND_MIXER_READ_VOLUME !\n");
cmd = SOUND_MIXER_READ_VOLUME;
break;
default:
WARN("invalid device id=%04X !\n", dev_id);
close(mixer);
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, cmd, &volume) == -1)
{
WARN("unable to read mixer !\n");
close(mixer);
return MMSYSERR_NOTENABLED;
}
close(mixer);
left = LOBYTE(LOWORD(volume));
right = HIBYTE(LOWORD(volume));
TRACE("left=%d right=%d !\n", left, right);
*vol = MAKELONG((left * 0xFFFFL) / 100, (right * 0xFFFFL) / 100);
return MMSYSERR_NOERROR;
}
static UINT aux_set_volume(WORD dev_id, UINT vol)
{
int mixer;
int volume, left, right;
int cmd;
TRACE("(%04X, %08X);\n", dev_id, vol);
left = (LOWORD(vol) * 100) >> 16;
right = (HIWORD(vol) * 100) >> 16;
volume = (right << 8) | left;
if ((mixer = open(MIXER_DEV, O_RDWR)) < 0)
{
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
switch(dev_id)
{
case 0:
TRACE("SOUND_MIXER_WRITE_PCM !\n");
cmd = SOUND_MIXER_WRITE_PCM;
break;
case 1:
TRACE("SOUND_MIXER_WRITE_SYNTH !\n");
cmd = SOUND_MIXER_WRITE_SYNTH;
break;
case 2:
TRACE("SOUND_MIXER_WRITE_CD !\n");
cmd = SOUND_MIXER_WRITE_CD;
break;
case 3:
TRACE("SOUND_MIXER_WRITE_LINE !\n");
cmd = SOUND_MIXER_WRITE_LINE;
break;
case 4:
TRACE("SOUND_MIXER_WRITE_MIC !\n");
cmd = SOUND_MIXER_WRITE_MIC;
break;
case 5:
TRACE("SOUND_MIXER_WRITE_VOLUME !\n");
cmd = SOUND_MIXER_WRITE_VOLUME;
break;
default:
WARN("invalid device id=%04X !\n", dev_id);
close(mixer);
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, cmd, &volume) == -1)
{
WARN("unable to set mixer !\n");
close(mixer);
return MMSYSERR_NOTENABLED;
}
close(mixer);
return MMSYSERR_NOERROR;
}
static NTSTATUS oss_aux_message(void *args)
{
struct aux_message_params *params = args;
switch (params->msg)
{
case DRVM_INIT:
*params->err = aux_init();
break;
case DRVM_EXIT:
*params->err = aux_exit();
break;
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
*params->err = 0;
break;
case AUXDM_GETDEVCAPS:
*params->err = aux_get_devcaps(params->dev_id, (AUXCAPSW *)params->param_1, params->param_2);
break;
case AUXDM_GETNUMDEVS:
TRACE("return %d;\n", num_aux);
*params->err = num_aux;
break;
case AUXDM_GETVOLUME:
*params->err = aux_get_volume(params->dev_id, (UINT *)params->param_1);
break;
case AUXDM_SETVOLUME:
*params->err = aux_set_volume(params->dev_id, params->param_1);
break;
default:
WARN("unknown message !\n");
*params->err = MMSYSERR_NOTSUPPORTED;
break;
}
return STATUS_SUCCESS;
}
const unixlib_entry_t __wine_unix_call_funcs[] =
{
oss_process_attach,
oss_not_implemented,
oss_main_loop,
oss_get_endpoint_ids,
oss_create_stream,
oss_release_stream,
oss_start,
oss_stop,
oss_reset,
oss_timer_loop,
oss_get_render_buffer,
oss_release_render_buffer,
oss_get_capture_buffer,
oss_release_capture_buffer,
oss_is_format_supported,
oss_get_mix_format,
oss_get_device_period,
oss_get_buffer_size,
oss_get_latency,
oss_get_current_padding,
oss_get_next_packet_size,
oss_get_frequency,
oss_get_position,
oss_set_volumes,
oss_set_event_handle,
oss_test_connect,
oss_is_started,
oss_get_prop_value,
oss_not_implemented,
oss_midi_release,
oss_midi_out_message,
oss_midi_in_message,
oss_midi_notify_wait,
oss_aux_message,
};
C_ASSERT(ARRAYSIZE(__wine_unix_call_funcs) == funcs_count);
#ifdef _WIN64
typedef UINT PTR32;
static NTSTATUS oss_wow64_test_connect(void *args)
{
struct
{
PTR32 name;
enum driver_priority priority;
} *params32 = args;
struct test_connect_params params =
{
.name = ULongToPtr(params32->name),
};
oss_test_connect(&params);
params32->priority = params.priority;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_main_loop(void *args)
{
struct
{
PTR32 event;
} *params32 = args;
struct main_loop_params params =
{
.event = ULongToHandle(params32->event)
};
return oss_main_loop(&params);
}
static NTSTATUS oss_wow64_get_endpoint_ids(void *args)
{
struct
{
EDataFlow flow;
PTR32 endpoints;
unsigned int size;
HRESULT result;
unsigned int num;
unsigned int default_idx;
} *params32 = args;
struct get_endpoint_ids_params params =
{
.flow = params32->flow,
.endpoints = ULongToPtr(params32->endpoints),
.size = params32->size
};
oss_get_endpoint_ids(&params);
params32->size = params.size;
params32->result = params.result;
params32->num = params.num;
params32->default_idx = params.default_idx;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_create_stream(void *args)
{
struct
{
PTR32 name;
PTR32 device;
EDataFlow flow;
AUDCLNT_SHAREMODE share;
UINT flags;
REFERENCE_TIME duration;
REFERENCE_TIME period;
PTR32 fmt;
HRESULT result;
PTR32 channel_count;
PTR32 stream;
} *params32 = args;
struct create_stream_params params =
{
.name = ULongToPtr(params32->name),
.device = ULongToPtr(params32->device),
.flow = params32->flow,
.share = params32->share,
.flags = params32->flags,
.duration = params32->duration,
.period = params32->period,
.fmt = ULongToPtr(params32->fmt),
.channel_count = ULongToPtr(params32->channel_count),
.stream = ULongToPtr(params32->stream)
};
oss_create_stream(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_release_stream(void *args)
{
struct
{
stream_handle stream;
PTR32 timer_thread;
HRESULT result;
} *params32 = args;
struct release_stream_params params =
{
.stream = params32->stream,
.timer_thread = ULongToHandle(params32->timer_thread)
};
oss_release_stream(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_render_buffer(void *args)
{
struct
{
stream_handle stream;
UINT32 frames;
HRESULT result;
PTR32 data;
} *params32 = args;
BYTE *data = NULL;
struct get_render_buffer_params params =
{
.stream = params32->stream,
.frames = params32->frames,
.data = &data
};
oss_get_render_buffer(&params);
params32->result = params.result;
*(unsigned int *)ULongToPtr(params32->data) = PtrToUlong(data);
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_capture_buffer(void *args)
{
struct
{
stream_handle stream;
HRESULT result;
PTR32 data;
PTR32 frames;
PTR32 flags;
PTR32 devpos;
PTR32 qpcpos;
} *params32 = args;
BYTE *data = NULL;
struct get_capture_buffer_params params =
{
.stream = params32->stream,
.data = &data,
.frames = ULongToPtr(params32->frames),
.flags = ULongToPtr(params32->flags),
.devpos = ULongToPtr(params32->devpos),
.qpcpos = ULongToPtr(params32->qpcpos)
};
oss_get_capture_buffer(&params);
params32->result = params.result;
*(unsigned int *)ULongToPtr(params32->data) = PtrToUlong(data);
return STATUS_SUCCESS;
};
static NTSTATUS oss_wow64_is_format_supported(void *args)
{
struct
{
PTR32 device;
EDataFlow flow;
AUDCLNT_SHAREMODE share;
PTR32 fmt_in;
PTR32 fmt_out;
HRESULT result;
} *params32 = args;
struct is_format_supported_params params =
{
.device = ULongToPtr(params32->device),
.flow = params32->flow,
.share = params32->share,
.fmt_in = ULongToPtr(params32->fmt_in),
.fmt_out = ULongToPtr(params32->fmt_out)
};
oss_is_format_supported(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_mix_format(void *args)
{
struct
{
PTR32 device;
EDataFlow flow;
PTR32 fmt;
HRESULT result;
} *params32 = args;
struct get_mix_format_params params =
{
.device = ULongToPtr(params32->device),
.flow = params32->flow,
.fmt = ULongToPtr(params32->fmt)
};
oss_get_mix_format(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_device_period(void *args)
{
struct
{
PTR32 device;
EDataFlow flow;
HRESULT result;
PTR32 def_period;
PTR32 min_period;
} *params32 = args;
struct get_device_period_params params =
{
.device = ULongToPtr(params32->device),
.flow = params32->flow,
.def_period = ULongToPtr(params32->def_period),
.min_period = ULongToPtr(params32->min_period),
};
oss_get_device_period(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_buffer_size(void *args)
{
struct
{
stream_handle stream;
HRESULT result;
PTR32 frames;
} *params32 = args;
struct get_buffer_size_params params =
{
.stream = params32->stream,
.frames = ULongToPtr(params32->frames)
};
oss_get_buffer_size(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_latency(void *args)
{
struct
{
stream_handle stream;
HRESULT result;
PTR32 latency;
} *params32 = args;
struct get_latency_params params =
{
.stream = params32->stream,
.latency = ULongToPtr(params32->latency)
};
oss_get_latency(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_current_padding(void *args)
{
struct
{
stream_handle stream;
HRESULT result;
PTR32 padding;
} *params32 = args;
struct get_current_padding_params params =
{
.stream = params32->stream,
.padding = ULongToPtr(params32->padding)
};
oss_get_current_padding(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_next_packet_size(void *args)
{
struct
{
stream_handle stream;
HRESULT result;
PTR32 frames;
} *params32 = args;
struct get_next_packet_size_params params =
{
.stream = params32->stream,
.frames = ULongToPtr(params32->frames)
};
oss_get_next_packet_size(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_frequency(void *args)
{
struct
{
stream_handle stream;
HRESULT result;
PTR32 freq;
} *params32 = args;
struct get_frequency_params params =
{
.stream = params32->stream,
.freq = ULongToPtr(params32->freq)
};
oss_get_frequency(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_position(void *args)
{
struct
{
stream_handle stream;
BOOL device;
HRESULT result;
PTR32 pos;
PTR32 qpctime;
} *params32 = args;
struct get_position_params params =
{
.stream = params32->stream,
.device = params32->device,
.pos = ULongToPtr(params32->pos),
.qpctime = ULongToPtr(params32->qpctime)
};
oss_get_position(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_set_volumes(void *args)
{
struct
{
stream_handle stream;
float master_volume;
PTR32 volumes;
PTR32 session_volumes;
} *params32 = args;
struct set_volumes_params params =
{
.stream = params32->stream,
.master_volume = params32->master_volume,
.volumes = ULongToPtr(params32->volumes),
.session_volumes = ULongToPtr(params32->session_volumes),
};
return oss_set_volumes(&params);
}
static NTSTATUS oss_wow64_set_event_handle(void *args)
{
struct
{
stream_handle stream;
PTR32 event;
HRESULT result;
} *params32 = args;
struct set_event_handle_params params =
{
.stream = params32->stream,
.event = ULongToHandle(params32->event)
};
oss_set_event_handle(&params);
params32->result = params.result;
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_get_prop_value(void *args)
{
struct propvariant32
{
WORD vt;
WORD pad1, pad2, pad3;
union
{
ULONG ulVal;
PTR32 ptr;
ULARGE_INTEGER uhVal;
};
} *value32;
struct
{
PTR32 device;
EDataFlow flow;
PTR32 guid;
PTR32 prop;
HRESULT result;
PTR32 value;
PTR32 buffer; /* caller allocated buffer to hold value's strings */
PTR32 buffer_size;
} *params32 = args;
PROPVARIANT value;
struct get_prop_value_params params =
{
.device = ULongToPtr(params32->device),
.flow = params32->flow,
.guid = ULongToPtr(params32->guid),
.prop = ULongToPtr(params32->prop),
.value = &value,
.buffer = ULongToPtr(params32->buffer),
.buffer_size = ULongToPtr(params32->buffer_size)
};
oss_get_prop_value(&params);
params32->result = params.result;
if (SUCCEEDED(params.result))
{
value32 = UlongToPtr(params32->value);
value32->vt = value.vt;
switch (value.vt)
{
case VT_UI4:
value32->ulVal = value.ulVal;
break;
case VT_LPWSTR:
value32->ptr = params32->buffer;
break;
default:
FIXME("Unhandled vt %04x\n", value.vt);
}
}
return STATUS_SUCCESS;
}
static NTSTATUS oss_wow64_aux_message(void *args)
{
struct
{
UINT dev_id;
UINT msg;
UINT user;
UINT param_1;
UINT param_2;
PTR32 err;
} *params32 = args;
struct aux_message_params params =
{
.dev_id = params32->dev_id,
.msg = params32->msg,
.user = params32->user,
.param_1 = params32->param_1,
.param_2 = params32->param_2,
.err = ULongToPtr(params32->err),
};
return oss_aux_message(&params);
}
const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
{
oss_process_attach,
oss_not_implemented,
oss_wow64_main_loop,
oss_wow64_get_endpoint_ids,
oss_wow64_create_stream,
oss_wow64_release_stream,
oss_start,
oss_stop,
oss_reset,
oss_timer_loop,
oss_wow64_get_render_buffer,
oss_release_render_buffer,
oss_wow64_get_capture_buffer,
oss_release_capture_buffer,
oss_wow64_is_format_supported,
oss_wow64_get_mix_format,
oss_wow64_get_device_period,
oss_wow64_get_buffer_size,
oss_wow64_get_latency,
oss_wow64_get_current_padding,
oss_wow64_get_next_packet_size,
oss_wow64_get_frequency,
oss_wow64_get_position,
oss_wow64_set_volumes,
oss_wow64_set_event_handle,
oss_wow64_test_connect,
oss_is_started,
oss_wow64_get_prop_value,
oss_not_implemented,
oss_midi_release,
oss_wow64_midi_out_message,
oss_wow64_midi_in_message,
oss_wow64_midi_notify_wait,
oss_wow64_aux_message,
};
C_ASSERT(ARRAYSIZE(__wine_unix_call_wow64_funcs) == funcs_count);
#endif /* _WIN64 */
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