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wineoss: Move timer_loop to the unixlib. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2022-04-13 07:38:48 +01:00 committed by Alexandre Julliard
parent ebfd2e8495
commit 93cc994be8
3 changed files with 223 additions and 181 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

199
dlls/wineoss.drv/mmdevdrv.c
View File

@ -114,7 +114,7 @@ struct ACImpl {
UINT32 channel_count;
struct oss_stream *stream;
HANDLE timer;
HANDLE timer_thread;
AudioSession *session;
AudioSessionWrapper *session_wrapper;
@ -147,8 +147,6 @@ static const WCHAR drv_key_devicesW[] = {'S','o','f','t','w','a','r','e','\\',
'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};
static HANDLE g_timer_q;
static CRITICAL_SECTION g_sessions_lock;
static CRITICAL_SECTION_DEBUG g_sessions_lock_debug =
{
@ -230,9 +228,6 @@ BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
if(NtQueryVirtualMemory(GetCurrentProcess(), dll, MemoryWineUnixFuncs,
&oss_handle, sizeof(oss_handle), NULL))
return FALSE;
g_timer_q = CreateTimerQueue();
if(!g_timer_q)
return FALSE;
break;
case DLL_PROCESS_DETACH:
@ -260,16 +255,28 @@ int WINAPI AUDDRV_GetPriority(void)
return params.priority;
}
static HRESULT stream_release(struct oss_stream *stream)
static HRESULT stream_release(struct oss_stream *stream, HANDLE timer_thread)
{
struct release_stream_params params;
params.stream = stream;
params.timer_thread = timer_thread;
OSS_CALL(release_stream, &params);
return params.result;
}
static DWORD WINAPI timer_thread(void *user)
{
struct oss_stream *stream = user;
struct timer_loop_params params;
params.stream = stream;
OSS_CALL(timer_loop, &params);
return 0;
}
static void oss_lock(struct oss_stream *stream)
{
pthread_mutex_lock(&stream->lock);
@ -532,17 +539,6 @@ static ULONG WINAPI AudioClient_Release(IAudioClient3 *iface)
ref = InterlockedDecrement(&This->ref);
TRACE("(%p) Refcount now %u\n", This, ref);
if(!ref){
if(This->timer){
HANDLE event;
DWORD wait;
event = CreateEventW(NULL, TRUE, FALSE, NULL);
wait = !DeleteTimerQueueTimer(g_timer_q, This->timer, event);
wait = wait && GetLastError() == ERROR_IO_PENDING;
if(event && wait)
WaitForSingleObject(event, INFINITE);
CloseHandle(event);
}
IAudioClient3_Stop(iface);
IMMDevice_Release(This->parent);
IUnknown_Release(This->pUnkFTMarshal);
@ -553,7 +549,7 @@ static ULONG WINAPI AudioClient_Release(IAudioClient3 *iface)
}
HeapFree(GetProcessHeap(), 0, This->vols);
if(This->stream)
stream_release(This->stream);
stream_release(This->stream, This->timer_thread);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
@ -765,7 +761,7 @@ static HRESULT WINAPI AudioClient_Initialize(IAudioClient3 *iface,
exit:
if(FAILED(params.result)){
stream_release(stream);
stream_release(stream, NULL);
HeapFree(GetProcessHeap(), 0, This->vols);
This->vols = NULL;
} else {
@ -935,161 +931,6 @@ static void silence_buffer(struct oss_stream *stream, BYTE *buffer, UINT32 frame
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 void CALLBACK oss_period_callback(void *user, BOOLEAN timer)
{
ACImpl *This = user;
struct oss_stream *stream = This->stream;
oss_lock(stream);
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)
SetEvent(stream->event);
oss_unlock(stream);
}
static HRESULT WINAPI AudioClient_Start(IAudioClient3 *iface)
{
ACImpl *This = impl_from_IAudioClient3(iface);
@ -1118,11 +959,9 @@ static HRESULT WINAPI AudioClient_Start(IAudioClient3 *iface)
return AUDCLNT_E_NOT_STOPPED;
}
if(!This->timer){
if(!CreateTimerQueueTimer(&This->timer, g_timer_q,
oss_period_callback, This, 0, stream->period / 10000,
WT_EXECUTEINTIMERTHREAD))
ERR("Unable to create period timer: %u\n", GetLastError());
if(!This->timer_thread){
This->timer_thread = CreateThread(NULL, 0, timer_thread, This->stream, 0, NULL);
SetThreadPriority(This->timer_thread, THREAD_PRIORITY_TIME_CRITICAL);
}
stream->playing = TRUE;

196
dlls/wineoss.drv/oss.c
View File

@ -604,6 +604,12 @@ static NTSTATUS release_stream(void *args)
struct oss_stream *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;
@ -621,6 +627,195 @@ static NTSTATUS release_stream(void *args)
return STATUS_SUCCESS;
}
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 timer_loop(void *args)
{
struct timer_loop_params *params = args;
struct oss_stream *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 is_format_supported(void *args)
{
struct is_format_supported_params *params = args;
@ -794,6 +989,7 @@ unixlib_entry_t __wine_unix_call_funcs[] =
get_endpoint_ids,
create_stream,
release_stream,
timer_loop,
is_format_supported,
get_mix_format,
get_buffer_size,

9
dlls/wineoss.drv/unixlib.h
View File

@ -28,7 +28,7 @@ struct oss_stream
int fd;
BOOL playing, mute;
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 */
@ -86,9 +86,15 @@ struct create_stream_params
struct release_stream_params
{
struct oss_stream *stream;
HANDLE timer_thread;
HRESULT result;
};
struct timer_loop_params
{
struct oss_stream *stream;
};
struct is_format_supported_params
{
const char *device;
@ -134,6 +140,7 @@ enum oss_funcs
oss_get_endpoint_ids,
oss_create_stream,
oss_release_stream,
oss_timer_loop,
oss_is_format_supported,
oss_get_mix_format,
oss_get_buffer_size,