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Sweden-Number/dlls/quartz/dsoundrender.c

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/*
* Direct Sound Audio Renderer
*
* Copyright 2004 Christian Costa
*
* 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
*/
#include "quartz_private.h"
#include "uuids.h"
#include "vfwmsgs.h"
#include "windef.h"
#include "winbase.h"
#include "dshow.h"
#include "evcode.h"
#include "strmif.h"
#include "dsound.h"
#include "amaudio.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
/* NOTE: buffer can still be filled completely,
* but we start waiting until only this amount is buffered
*/
static const REFERENCE_TIME DSoundRenderer_Max_Fill = 150 * 10000;
typedef struct DSoundRenderImpl
{
struct strmbase_renderer renderer;
IBasicAudio IBasicAudio_iface;
IAMDirectSound IAMDirectSound_iface;
IUnknown *system_clock;
IDirectSound8 *dsound;
LPDIRECTSOUNDBUFFER dsbuffer;
DWORD buf_size;
DWORD in_loop;
DWORD last_playpos, writepos;
REFERENCE_TIME play_time;
LONG volume;
LONG pan;
} DSoundRenderImpl;
static inline DSoundRenderImpl *impl_from_strmbase_renderer(struct strmbase_renderer *iface)
{
return CONTAINING_RECORD(iface, DSoundRenderImpl, renderer);
}
static inline DSoundRenderImpl *impl_from_IBaseFilter(IBaseFilter *iface)
{
return CONTAINING_RECORD(iface, DSoundRenderImpl, renderer.filter.IBaseFilter_iface);
}
static inline DSoundRenderImpl *impl_from_IBasicAudio(IBasicAudio *iface)
{
return CONTAINING_RECORD(iface, DSoundRenderImpl, IBasicAudio_iface);
}
static inline DSoundRenderImpl *impl_from_IAMDirectSound(IAMDirectSound *iface)
{
return CONTAINING_RECORD(iface, DSoundRenderImpl, IAMDirectSound_iface);
}
static REFERENCE_TIME time_from_pos(DSoundRenderImpl *This, DWORD pos) {
WAVEFORMATEX *wfx = (WAVEFORMATEX *)This->renderer.sink.pin.mt.pbFormat;
REFERENCE_TIME ret = 10000000;
ret = ret * pos / wfx->nAvgBytesPerSec;
return ret;
}
static DWORD pos_from_time(DSoundRenderImpl *This, REFERENCE_TIME time) {
WAVEFORMATEX *wfx = (WAVEFORMATEX *)This->renderer.sink.pin.mt.pbFormat;
REFERENCE_TIME ret = time;
ret *= wfx->nAvgBytesPerSec;
ret /= 10000000;
ret -= ret % wfx->nBlockAlign;
return ret;
}
static void DSoundRender_UpdatePositions(DSoundRenderImpl *This, DWORD *seqwritepos, DWORD *minwritepos) {
WAVEFORMATEX *wfx = (WAVEFORMATEX *)This->renderer.sink.pin.mt.pbFormat;
BYTE *buf1, *buf2;
DWORD size1, size2, playpos, writepos, old_writepos, old_playpos, adv;
BOOL writepos_set = This->writepos < This->buf_size;
/* Update position and zero */
old_writepos = This->writepos;
old_playpos = This->last_playpos;
if (old_writepos <= old_playpos)
old_writepos += This->buf_size;
IDirectSoundBuffer_GetCurrentPosition(This->dsbuffer, &playpos, &writepos);
if (old_playpos > playpos) {
adv = This->buf_size + playpos - old_playpos;
This->play_time += time_from_pos(This, This->buf_size);
} else
adv = playpos - old_playpos;
This->last_playpos = playpos;
if (adv) {
TRACE("Moving from %u to %u: clearing %u bytes\n", old_playpos, playpos, adv);
IDirectSoundBuffer_Lock(This->dsbuffer, old_playpos, adv, (void**)&buf1, &size1, (void**)&buf2, &size2, 0);
memset(buf1, wfx->wBitsPerSample == 8 ? 128 : 0, size1);
memset(buf2, wfx->wBitsPerSample == 8 ? 128 : 0, size2);
IDirectSoundBuffer_Unlock(This->dsbuffer, buf1, size1, buf2, size2);
}
*minwritepos = writepos;
if (!writepos_set || old_writepos < writepos) {
if (writepos_set) {
This->writepos = This->buf_size;
FIXME("Underrun of data occurred!\n");
}
*seqwritepos = writepos;
} else
*seqwritepos = This->writepos;
}
static HRESULT DSoundRender_GetWritePos(DSoundRenderImpl *This, DWORD *ret_writepos, REFERENCE_TIME write_at, DWORD *pfree, DWORD *skip)
{
WAVEFORMATEX *wfx = (WAVEFORMATEX *)This->renderer.sink.pin.mt.pbFormat;
DWORD writepos, min_writepos, playpos;
REFERENCE_TIME max_lag = 50 * 10000;
REFERENCE_TIME cur, writepos_t, delta_t;
DSoundRender_UpdatePositions(This, &writepos, &min_writepos);
playpos = This->last_playpos;
if (This->renderer.filter.clock)
{
IReferenceClock_GetTime(This->renderer.filter.clock, &cur);
cur -= This->renderer.stream_start;
} else
write_at = -1;
if (writepos == min_writepos)
max_lag = 0;
*skip = 0;
if (write_at < 0) {
*ret_writepos = writepos;
goto end;
}
if (writepos >= playpos)
writepos_t = cur + time_from_pos(This, writepos - playpos);
else
writepos_t = cur + time_from_pos(This, This->buf_size + writepos - playpos);
/* write_at: Starting time of sample */
/* cur: current time of play position */
/* writepos_t: current time of our pointer play position */
delta_t = write_at - writepos_t;
if (delta_t >= -max_lag && delta_t <= max_lag) {
TRACE("Continuing from old position\n");
*ret_writepos = writepos;
} else if (delta_t < 0) {
REFERENCE_TIME past, min_writepos_t;
WARN("Delta too big %s/%s, overwriting old data or even skipping\n", debugstr_time(delta_t), debugstr_time(max_lag));
if (min_writepos >= playpos)
min_writepos_t = cur + time_from_pos(This, min_writepos - playpos);
else
min_writepos_t = cur + time_from_pos(This, This->buf_size - playpos + min_writepos);
past = min_writepos_t - write_at;
if (past >= 0) {
DWORD skipbytes = pos_from_time(This, past);
WARN("Skipping %u bytes\n", skipbytes);
*skip = skipbytes;
*ret_writepos = min_writepos;
} else {
DWORD aheadbytes = pos_from_time(This, -past);
WARN("Advancing %u bytes\n", aheadbytes);
*ret_writepos = (min_writepos + aheadbytes) % This->buf_size;
}
} else /* delta_t > 0 */ {
DWORD aheadbytes;
WARN("Delta too big %s/%s, too far ahead\n", debugstr_time(delta_t), debugstr_time(max_lag));
aheadbytes = pos_from_time(This, delta_t);
WARN("Advancing %u bytes\n", aheadbytes);
if (delta_t >= DSoundRenderer_Max_Fill)
return S_FALSE;
*ret_writepos = (min_writepos + aheadbytes) % This->buf_size;
}
end:
if (playpos > *ret_writepos)
*pfree = playpos - *ret_writepos;
else if (playpos == *ret_writepos)
*pfree = This->buf_size - wfx->nBlockAlign;
else
*pfree = This->buf_size + playpos - *ret_writepos;
if (time_from_pos(This, This->buf_size - *pfree) >= DSoundRenderer_Max_Fill) {
TRACE("Blocked: too full %s / %s\n", debugstr_time(time_from_pos(This, This->buf_size - *pfree)),
debugstr_time(DSoundRenderer_Max_Fill));
return S_FALSE;
}
return S_OK;
}
static HRESULT DSoundRender_HandleEndOfStream(DSoundRenderImpl *This)
{
while (This->renderer.filter.state == State_Running)
{
DWORD pos1, pos2;
DSoundRender_UpdatePositions(This, &pos1, &pos2);
if (pos1 == pos2)
break;
This->in_loop = 1;
LeaveCriticalSection(&This->renderer.csRenderLock);
WaitForSingleObject(This->renderer.flush_event, 10);
EnterCriticalSection(&This->renderer.csRenderLock);
This->in_loop = 0;
}
return S_OK;
}
static HRESULT DSoundRender_SendSampleData(DSoundRenderImpl* This, REFERENCE_TIME tStart, REFERENCE_TIME tStop, const BYTE *data, DWORD size)
{
HRESULT hr;
while (size && This->renderer.filter.state != State_Stopped) {
DWORD writepos, skip = 0, free, size1, size2, ret;
BYTE *buf1, *buf2;
if (This->renderer.filter.state == State_Running)
hr = DSoundRender_GetWritePos(This, &writepos, tStart, &free, &skip);
else
hr = S_FALSE;
if (hr != S_OK) {
This->in_loop = 1;
LeaveCriticalSection(&This->renderer.csRenderLock);
ret = WaitForSingleObject(This->renderer.flush_event, 10);
EnterCriticalSection(&This->renderer.csRenderLock);
This->in_loop = 0;
if (This->renderer.sink.flushing || This->renderer.filter.state == State_Stopped)
return This->renderer.filter.state == State_Paused ? S_OK : VFW_E_WRONG_STATE;
if (ret != WAIT_TIMEOUT)
ERR("%x\n", ret);
continue;
}
tStart = -1;
if (skip)
FIXME("Sample dropped %u of %u bytes\n", skip, size);
if (skip >= size)
return S_OK;
data += skip;
size -= skip;
hr = IDirectSoundBuffer_Lock(This->dsbuffer, writepos, min(free, size), (void**)&buf1, &size1, (void**)&buf2, &size2, 0);
if (hr != DS_OK) {
ERR("Unable to lock sound buffer! (%x)\n", hr);
break;
}
memcpy(buf1, data, size1);
if (size2)
memcpy(buf2, data+size1, size2);
IDirectSoundBuffer_Unlock(This->dsbuffer, buf1, size1, buf2, size2);
This->writepos = (writepos + size1 + size2) % This->buf_size;
TRACE("Wrote %u bytes at %u, next at %u - (%u/%u)\n", size1+size2, writepos, This->writepos, free, size);
data += size1 + size2;
size -= size1 + size2;
}
return S_OK;
}
static HRESULT WINAPI DSoundRender_ShouldDrawSampleNow(struct strmbase_renderer *iface,
IMediaSample *sample, REFERENCE_TIME *start, REFERENCE_TIME *end)
{
/* We time ourselves do not use the base renderers timing */
return S_OK;
}
static HRESULT WINAPI DSoundRender_PrepareReceive(struct strmbase_renderer *iface, IMediaSample *pSample)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
HRESULT hr;
AM_MEDIA_TYPE *amt;
if (IMediaSample_GetMediaType(pSample, &amt) == S_OK)
{
AM_MEDIA_TYPE *orig = &This->renderer.sink.pin.mt;
WAVEFORMATEX *origfmt = (WAVEFORMATEX *)orig->pbFormat;
WAVEFORMATEX *newfmt = (WAVEFORMATEX *)amt->pbFormat;
if (origfmt->wFormatTag == newfmt->wFormatTag &&
origfmt->nChannels == newfmt->nChannels &&
origfmt->nBlockAlign == newfmt->nBlockAlign &&
origfmt->wBitsPerSample == newfmt->wBitsPerSample &&
origfmt->cbSize == newfmt->cbSize)
{
if (origfmt->nSamplesPerSec != newfmt->nSamplesPerSec)
{
hr = IDirectSoundBuffer_SetFrequency(This->dsbuffer,
newfmt->nSamplesPerSec);
if (FAILED(hr))
return VFW_E_TYPE_NOT_ACCEPTED;
FreeMediaType(orig);
CopyMediaType(orig, amt);
IMediaSample_SetMediaType(pSample, NULL);
}
}
else
return VFW_E_TYPE_NOT_ACCEPTED;
}
return S_OK;
}
static HRESULT WINAPI DSoundRender_DoRenderSample(struct strmbase_renderer *iface, IMediaSample *pSample)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
LPBYTE pbSrcStream = NULL;
LONG cbSrcStream = 0;
REFERENCE_TIME tStart, tStop;
HRESULT hr;
TRACE("%p %p\n", iface, pSample);
/* Slightly incorrect, Pause completes when a frame is received so we should signal
* pause completion here, but for sound playing a single frame doesn't make sense
*/
hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
if (FAILED(hr))
{
ERR("Cannot get pointer to sample data (%x)\n", hr);
return hr;
}
hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
if (FAILED(hr)) {
ERR("Cannot get sample time (%x)\n", hr);
tStart = tStop = -1;
}
IMediaSample_IsDiscontinuity(pSample);
if (IMediaSample_IsPreroll(pSample) == S_OK)
{
TRACE("Preroll!\n");
return S_OK;
}
cbSrcStream = IMediaSample_GetActualDataLength(pSample);
TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
hr = DSoundRender_SendSampleData(This, tStart, tStop, pbSrcStream, cbSrcStream);
if (This->renderer.filter.state == State_Running && This->renderer.filter.clock && tStart >= 0) {
REFERENCE_TIME jitter, now = 0;
Quality q;
IReferenceClock_GetTime(This->renderer.filter.clock, &now);
jitter = now - This->renderer.stream_start - tStart;
if (jitter <= -DSoundRenderer_Max_Fill)
jitter += DSoundRenderer_Max_Fill;
else if (jitter < 0)
jitter = 0;
q.Type = (jitter > 0 ? Famine : Flood);
q.Proportion = 1000;
q.Late = jitter;
q.TimeStamp = tStart;
IQualityControl_Notify((IQualityControl *)This->renderer.qcimpl, &This->renderer.filter.IBaseFilter_iface, q);
}
return hr;
}
static HRESULT WINAPI DSoundRender_CheckMediaType(struct strmbase_renderer *iface, const AM_MEDIA_TYPE * pmt)
{
if (!IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio))
return S_FALSE;
if (!IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_PCM))
return S_FALSE;
return S_OK;
}
static void dsound_render_stop_stream(struct strmbase_renderer *iface)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
TRACE("(%p/%p)->()\n", This, iface);
IDirectSoundBuffer_Stop(This->dsbuffer);
This->writepos = This->buf_size;
}
static void dsound_render_start_stream(struct strmbase_renderer *iface)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
TRACE("(%p)\n", This);
if (This->renderer.sink.pin.peer)
{
IDirectSoundBuffer_Play(This->dsbuffer, 0, 0, DSBPLAY_LOOPING);
}
}
static HRESULT dsound_render_connect(struct strmbase_renderer *iface, const AM_MEDIA_TYPE *mt)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
const WAVEFORMATEX *format = (WAVEFORMATEX *)mt->pbFormat;
HRESULT hr = S_OK;
DSBUFFERDESC buf_desc;
This->buf_size = format->nAvgBytesPerSec;
memset(&buf_desc,0,sizeof(DSBUFFERDESC));
buf_desc.dwSize = sizeof(DSBUFFERDESC);
buf_desc.dwFlags = DSBCAPS_CTRLVOLUME | DSBCAPS_CTRLPAN |
DSBCAPS_CTRLFREQUENCY | DSBCAPS_GLOBALFOCUS |
DSBCAPS_GETCURRENTPOSITION2;
buf_desc.dwBufferBytes = This->buf_size;
buf_desc.lpwfxFormat = (WAVEFORMATEX *)format;
hr = IDirectSound8_CreateSoundBuffer(This->dsound, &buf_desc, &This->dsbuffer, NULL);
This->writepos = This->buf_size;
if (FAILED(hr))
ERR("Can't create sound buffer (%x)\n", hr);
if (SUCCEEDED(hr))
{
hr = IDirectSoundBuffer_SetVolume(This->dsbuffer, This->volume);
if (FAILED(hr))
ERR("Can't set volume to %d (%x)\n", This->volume, hr);
hr = IDirectSoundBuffer_SetPan(This->dsbuffer, This->pan);
if (FAILED(hr))
ERR("Can't set pan to %d (%x)\n", This->pan, hr);
hr = S_OK;
}
if (FAILED(hr) && hr != VFW_E_ALREADY_CONNECTED)
{
if (This->dsbuffer)
IDirectSoundBuffer_Release(This->dsbuffer);
This->dsbuffer = NULL;
}
return hr;
}
static HRESULT WINAPI DSoundRender_BreakConnect(struct strmbase_renderer *iface)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
TRACE("(%p)->()\n", iface);
if (This->dsbuffer)
IDirectSoundBuffer_Release(This->dsbuffer);
This->dsbuffer = NULL;
return S_OK;
}
static HRESULT WINAPI DSoundRender_EndOfStream(struct strmbase_renderer *iface)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
return DSoundRender_HandleEndOfStream(This);
}
static HRESULT WINAPI DSoundRender_EndFlush(struct strmbase_renderer *iface)
{
DSoundRenderImpl *This = impl_from_strmbase_renderer(iface);
if (This->dsbuffer)
{
LPBYTE buffer;
DWORD size;
/* Force a reset */
IDirectSoundBuffer_Lock(This->dsbuffer, 0, 0, (LPVOID *)&buffer, &size, NULL, NULL, DSBLOCK_ENTIREBUFFER);
memset(buffer, 0, size);
IDirectSoundBuffer_Unlock(This->dsbuffer, buffer, size, NULL, 0);
This->writepos = This->buf_size;
}
return S_OK;
}
static void dsound_render_destroy(struct strmbase_renderer *iface)
{
DSoundRenderImpl *filter = impl_from_strmbase_renderer(iface);
if (filter->dsbuffer)
IDirectSoundBuffer_Release(filter->dsbuffer);
filter->dsbuffer = NULL;
if (filter->dsound)
IDirectSound8_Release(filter->dsound);
filter->dsound = NULL;
strmbase_renderer_cleanup(&filter->renderer);
CoTaskMemFree(filter);
}
static HRESULT dsound_render_query_interface(struct strmbase_renderer *iface, REFIID iid, void **out)
{
DSoundRenderImpl *filter = impl_from_strmbase_renderer(iface);
if (IsEqualGUID(iid, &IID_IBasicAudio))
*out = &filter->IBasicAudio_iface;
else if (IsEqualGUID(iid, &IID_IReferenceClock))
return IUnknown_QueryInterface(filter->system_clock, iid, out);
else if (IsEqualGUID(iid, &IID_IAMDirectSound))
*out = &filter->IAMDirectSound_iface;
else
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static const struct strmbase_renderer_ops renderer_ops =
{
.pfnCheckMediaType = DSoundRender_CheckMediaType,
.pfnDoRenderSample = DSoundRender_DoRenderSample,
.renderer_start_stream = dsound_render_start_stream,
.renderer_stop_stream = dsound_render_stop_stream,
.pfnShouldDrawSampleNow = DSoundRender_ShouldDrawSampleNow,
.pfnPrepareReceive = DSoundRender_PrepareReceive,
.renderer_connect = dsound_render_connect,
.pfnBreakConnect = DSoundRender_BreakConnect,
.pfnEndOfStream = DSoundRender_EndOfStream,
.pfnEndFlush = DSoundRender_EndFlush,
.renderer_destroy = dsound_render_destroy,
.renderer_query_interface = dsound_render_query_interface,
};
/*** IUnknown methods ***/
static HRESULT WINAPI Basicaudio_QueryInterface(IBasicAudio *iface,
REFIID riid,
LPVOID*ppvObj) {
DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppvObj);
return IUnknown_QueryInterface(This->renderer.filter.outer_unk, riid, ppvObj);
}
static ULONG WINAPI Basicaudio_AddRef(IBasicAudio *iface) {
DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
TRACE("(%p/%p)->()\n", This, iface);
return IUnknown_AddRef(This->renderer.filter.outer_unk);
}
static ULONG WINAPI Basicaudio_Release(IBasicAudio *iface) {
DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
TRACE("(%p/%p)->()\n", This, iface);
return IUnknown_Release(This->renderer.filter.outer_unk);
}
HRESULT WINAPI basic_audio_GetTypeInfoCount(IBasicAudio *iface, UINT *count)
{
TRACE("iface %p, count %p.\n", iface, count);
*count = 1;
return S_OK;
}
HRESULT WINAPI basic_audio_GetTypeInfo(IBasicAudio *iface, UINT index,
LCID lcid, ITypeInfo **typeinfo)
{
TRACE("iface %p, index %u, lcid %#x, typeinfo %p.\n", iface, index, lcid, typeinfo);
return strmbase_get_typeinfo(IBasicAudio_tid, typeinfo);
}
HRESULT WINAPI basic_audio_GetIDsOfNames(IBasicAudio *iface, REFIID iid,
LPOLESTR *names, UINT count, LCID lcid, DISPID *ids)
{
ITypeInfo *typeinfo;
HRESULT hr;
TRACE("iface %p, iid %s, names %p, count %u, lcid %#x, ids %p.\n",
iface, debugstr_guid(iid), names, count, lcid, ids);
if (SUCCEEDED(hr = strmbase_get_typeinfo(IBasicAudio_tid, &typeinfo)))
{
hr = ITypeInfo_GetIDsOfNames(typeinfo, names, count, ids);
ITypeInfo_Release(typeinfo);
}
return hr;
}
static HRESULT WINAPI basic_audio_Invoke(IBasicAudio *iface, DISPID id, REFIID iid, LCID lcid,
WORD flags, DISPPARAMS *params, VARIANT *result, EXCEPINFO *excepinfo, UINT *error_arg)
{
ITypeInfo *typeinfo;
HRESULT hr;
TRACE("iface %p, id %d, iid %s, lcid %#x, flags %#x, params %p, result %p, excepinfo %p, error_arg %p.\n",
iface, id, debugstr_guid(iid), lcid, flags, params, result, excepinfo, error_arg);
if (SUCCEEDED(hr = strmbase_get_typeinfo(IBasicAudio_tid, &typeinfo)))
{
hr = ITypeInfo_Invoke(typeinfo, iface, id, flags, params, result, excepinfo, error_arg);
ITypeInfo_Release(typeinfo);
}
return hr;
}
static HRESULT WINAPI Basicaudio_put_Volume(IBasicAudio *iface,
LONG lVolume) {
DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
TRACE("(%p/%p)->(%d)\n", This, iface, lVolume);
if (lVolume > DSBVOLUME_MAX || lVolume < DSBVOLUME_MIN)
return E_INVALIDARG;
if (This->dsbuffer) {
if (FAILED(IDirectSoundBuffer_SetVolume(This->dsbuffer, lVolume)))
return E_FAIL;
}
This->volume = lVolume;
return S_OK;
}
static HRESULT WINAPI Basicaudio_get_Volume(IBasicAudio *iface,
LONG *plVolume) {
DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
TRACE("(%p/%p)->(%p)\n", This, iface, plVolume);
if (!plVolume)
return E_POINTER;
*plVolume = This->volume;
return S_OK;
}
static HRESULT WINAPI Basicaudio_put_Balance(IBasicAudio *iface,
LONG lBalance) {
DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
TRACE("(%p/%p)->(%d)\n", This, iface, lBalance);
if (lBalance < DSBPAN_LEFT || lBalance > DSBPAN_RIGHT)
return E_INVALIDARG;
if (This->dsbuffer) {
if (FAILED(IDirectSoundBuffer_SetPan(This->dsbuffer, lBalance)))
return E_FAIL;
}
This->pan = lBalance;
return S_OK;
}
static HRESULT WINAPI Basicaudio_get_Balance(IBasicAudio *iface,
LONG *plBalance) {
DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
TRACE("(%p/%p)->(%p)\n", This, iface, plBalance);
if (!plBalance)
return E_POINTER;
*plBalance = This->pan;
return S_OK;
}
static const IBasicAudioVtbl IBasicAudio_Vtbl =
{
Basicaudio_QueryInterface,
Basicaudio_AddRef,
Basicaudio_Release,
basic_audio_GetTypeInfoCount,
basic_audio_GetTypeInfo,
basic_audio_GetIDsOfNames,
basic_audio_Invoke,
Basicaudio_put_Volume,
Basicaudio_get_Volume,
Basicaudio_put_Balance,
Basicaudio_get_Balance
};
/*** IUnknown methods ***/
static HRESULT WINAPI AMDirectSound_QueryInterface(IAMDirectSound *iface,
REFIID riid,
LPVOID*ppvObj)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppvObj);
return IUnknown_QueryInterface(This->renderer.filter.outer_unk, riid, ppvObj);
}
static ULONG WINAPI AMDirectSound_AddRef(IAMDirectSound *iface)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
TRACE("(%p/%p)->()\n", This, iface);
return IUnknown_AddRef(This->renderer.filter.outer_unk);
}
static ULONG WINAPI AMDirectSound_Release(IAMDirectSound *iface)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
TRACE("(%p/%p)->()\n", This, iface);
return IUnknown_Release(This->renderer.filter.outer_unk);
}
/*** IAMDirectSound methods ***/
static HRESULT WINAPI AMDirectSound_GetDirectSoundInterface(IAMDirectSound *iface, IDirectSound **ds)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p): stub\n", This, iface, ds);
return E_NOTIMPL;
}
static HRESULT WINAPI AMDirectSound_GetPrimaryBufferInterface(IAMDirectSound *iface, IDirectSoundBuffer **buf)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
return E_NOTIMPL;
}
static HRESULT WINAPI AMDirectSound_GetSecondaryBufferInterface(IAMDirectSound *iface, IDirectSoundBuffer **buf)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
return E_NOTIMPL;
}
static HRESULT WINAPI AMDirectSound_ReleaseDirectSoundInterface(IAMDirectSound *iface, IDirectSound *ds)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p): stub\n", This, iface, ds);
return E_NOTIMPL;
}
static HRESULT WINAPI AMDirectSound_ReleasePrimaryBufferInterface(IAMDirectSound *iface, IDirectSoundBuffer *buf)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
return E_NOTIMPL;
}
static HRESULT WINAPI AMDirectSound_ReleaseSecondaryBufferInterface(IAMDirectSound *iface, IDirectSoundBuffer *buf)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
return E_NOTIMPL;
}
static HRESULT WINAPI AMDirectSound_SetFocusWindow(IAMDirectSound *iface, HWND hwnd, BOOL bgaudible)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p,%d): stub\n", This, iface, hwnd, bgaudible);
return E_NOTIMPL;
}
static HRESULT WINAPI AMDirectSound_GetFocusWindow(IAMDirectSound *iface, HWND *hwnd, BOOL *bgaudible)
{
DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
FIXME("(%p/%p)->(%p,%p): stub\n", This, iface, hwnd, bgaudible);
return E_NOTIMPL;
}
static const IAMDirectSoundVtbl IAMDirectSound_Vtbl =
{
AMDirectSound_QueryInterface,
AMDirectSound_AddRef,
AMDirectSound_Release,
AMDirectSound_GetDirectSoundInterface,
AMDirectSound_GetPrimaryBufferInterface,
AMDirectSound_GetSecondaryBufferInterface,
AMDirectSound_ReleaseDirectSoundInterface,
AMDirectSound_ReleasePrimaryBufferInterface,
AMDirectSound_ReleaseSecondaryBufferInterface,
AMDirectSound_SetFocusWindow,
AMDirectSound_GetFocusWindow
};
HRESULT dsound_render_create(IUnknown *outer, void **out)
{
static const DSBUFFERDESC buffer_desc = {
.dwSize = sizeof(DSBUFFERDESC),
.dwFlags = DSBCAPS_PRIMARYBUFFER,
};
IDirectSoundBuffer *buffer;
DSoundRenderImpl *object;
HRESULT hr;
if (!(object = CoTaskMemAlloc(sizeof(*object))))
return E_OUTOFMEMORY;
memset(object, 0, sizeof(*object));
if (FAILED(hr = strmbase_renderer_init(&object->renderer, outer,
&CLSID_DSoundRender, L"Audio Input pin (rendered)", &renderer_ops)))
{
CoTaskMemFree(object);
return hr;
}
if (FAILED(hr = QUARTZ_CreateSystemClock(&object->renderer.filter.IUnknown_inner,
(void **)&object->system_clock)))
{
strmbase_renderer_cleanup(&object->renderer);
CoTaskMemFree(object);
return hr;
}
object->IBasicAudio_iface.lpVtbl = &IBasicAudio_Vtbl;
object->IAMDirectSound_iface.lpVtbl = &IAMDirectSound_Vtbl;
if (FAILED(hr = DirectSoundCreate8(NULL, &object->dsound, NULL)))
{
IUnknown_Release(object->system_clock);
strmbase_renderer_cleanup(&object->renderer);
CoTaskMemFree(object);
return hr;
}
if (FAILED(hr = IDirectSound8_SetCooperativeLevel(object->dsound,
GetDesktopWindow(), DSSCL_PRIORITY)))
{
IDirectSound8_Release(object->dsound);
IUnknown_Release(object->system_clock);
strmbase_renderer_cleanup(&object->renderer);
CoTaskMemFree(object);
return hr;
}
if (SUCCEEDED(hr = IDirectSound8_CreateSoundBuffer(object->dsound,
&buffer_desc, &buffer, NULL)))
{
IDirectSoundBuffer_Play(buffer, 0, 0, DSBPLAY_LOOPING);
IDirectSoundBuffer_Release(buffer);
}
TRACE("Created DirectSound renderer %p.\n", object);
*out = &object->renderer.filter.IUnknown_inner;
return S_OK;
}
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