| /* |
| * Sample Wine Driver for Advanced Linux Sound System (ALSA) |
| * Based on version <final> of the ALSA API |
| * |
| * Copyright 2002 Eric Pouech |
| * 2002 Marco Pietrobono |
| * 2003 Christian Costa : WaveIn support |
| * 2006-2007 Maarten Lankhorst |
| * |
| * 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 |
| */ |
| |
| /*======================================================================* |
| * Low level dsound output implementation * |
| *======================================================================*/ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| #include <errno.h> |
| #include <limits.h> |
| #include <fcntl.h> |
| #ifdef HAVE_SYS_IOCTL_H |
| # include <sys/ioctl.h> |
| #endif |
| #ifdef HAVE_SYS_MMAN_H |
| # include <sys/mman.h> |
| #endif |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wingdi.h" |
| #include "winerror.h" |
| #include "winuser.h" |
| #include "winnls.h" |
| #include "mmddk.h" |
| |
| #include "alsa.h" |
| #include "wine/library.h" |
| #include "wine/unicode.h" |
| #include "wine/debug.h" |
| |
| #ifdef HAVE_ALSA |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(wave); |
| WINE_DECLARE_DEBUG_CHANNEL(waveloop); |
| |
| typedef struct IDsDriverImpl IDsDriverImpl; |
| typedef struct IDsDriverBufferImpl IDsDriverBufferImpl; |
| |
| struct IDsDriverImpl |
| { |
| /* IUnknown fields */ |
| const IDsDriverVtbl *lpVtbl; |
| LONG ref; |
| /* IDsDriverImpl fields */ |
| UINT wDevID; |
| IDsDriverBufferImpl*primary; |
| }; |
| |
| struct IDsDriverBufferImpl |
| { |
| /* IUnknown fields */ |
| const IDsDriverBufferVtbl *lpVtbl; |
| LONG ref; |
| /* IDsDriverBufferImpl fields */ |
| IDsDriverImpl* drv; |
| |
| LPVOID mmap_buffer; |
| DWORD mmap_buflen_bytes; |
| snd_pcm_uframes_t mmap_buflen_frames; |
| snd_pcm_channel_area_t * mmap_areas; |
| snd_pcm_uframes_t mmap_ppos; /* play position */ |
| snd_pcm_uframes_t mmap_wpos; /* write position */ |
| HANDLE mmap_thread; |
| ALSA_MSG_RING mmap_ring; /* sync object */ |
| }; |
| |
| static void DSDB_CheckXRUN(IDsDriverBufferImpl* pdbi) |
| { |
| WINE_WAVEDEV * wwo = &(WOutDev[pdbi->drv->wDevID]); |
| snd_pcm_state_t state = snd_pcm_state(wwo->pcm); |
| snd_pcm_avail_update(wwo->pcm); |
| |
| if ( state == SND_PCM_STATE_XRUN ) |
| { |
| int err = snd_pcm_prepare(wwo->pcm); |
| WARN_(waveloop)("xrun occurred\n"); |
| if ( err < 0 ) |
| ERR("recovery from xrun failed, prepare failed: %s\n", snd_strerror(err)); |
| } |
| else if ( state == SND_PCM_STATE_SUSPENDED ) |
| { |
| int err = snd_pcm_resume(wwo->pcm); |
| TRACE_(waveloop)("recovery from suspension occurred\n"); |
| if (err < 0 && err != -EAGAIN){ |
| err = snd_pcm_prepare(wwo->pcm); |
| if (err < 0) |
| ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err)); |
| } |
| } else if ( state != SND_PCM_STATE_RUNNING ) { |
| WARN_(waveloop)("Unhandled state: %d\n", state); |
| } |
| } |
| |
| /** |
| * The helper thread for DirectSound |
| * |
| * Basically it does an infinite loop until it is told to die |
| * |
| * snd_pcm_wait() is a call that polls the sound buffer and waits |
| * until there is at least 1 period free before it returns. |
| * |
| * We then commit the buffer filled by the owner of this |
| * IDSDriverBuffer */ |
| static DWORD CALLBACK DBSB_MMAPLoop(LPVOID data) |
| { |
| IDsDriverBufferImpl* pdbi = (IDsDriverBufferImpl*)data; |
| WINE_WAVEDEV *wwo = &(WOutDev[pdbi->drv->wDevID]); |
| snd_pcm_uframes_t frames, wanted, ofs; |
| const snd_pcm_channel_area_t *areas; |
| int state = WINE_WS_STOPPED; |
| snd_pcm_state_t alsastate; |
| |
| TRACE_(waveloop)("0x%8p\n", data); |
| TRACE("0x%8p, framelength: %lu, area: %8p\n", data, pdbi->mmap_buflen_frames, pdbi->mmap_areas); |
| |
| do { |
| enum win_wm_message msg; |
| DWORD param; |
| HANDLE hEvent; |
| int err; |
| snd_pcm_format_t format; |
| |
| if (state != WINE_WS_PLAYING) |
| { |
| ALSA_WaitRingMessage(&pdbi->mmap_ring, 1000000); |
| ALSA_RetrieveRingMessage(&pdbi->mmap_ring, &msg, ¶m, &hEvent); |
| } |
| else |
| while (!ALSA_RetrieveRingMessage(&pdbi->mmap_ring, &msg, ¶m, &hEvent)) |
| { |
| snd_pcm_wait(wwo->pcm, -1); |
| DSDB_CheckXRUN(pdbi); |
| |
| wanted = frames = pdbi->mmap_buflen_frames; |
| |
| err = snd_pcm_mmap_begin(wwo->pcm, &areas, &ofs, &frames); |
| snd_pcm_mmap_commit(wwo->pcm, ofs, frames); |
| |
| /* mark our current play position */ |
| pdbi->mmap_ppos = ofs; |
| TRACE_(waveloop)("Updated position to %lx [%d, 0x%8p, %lu]\n", ofs, err, areas, frames); |
| /* Check to make sure we committed all we want to commit. ALSA |
| * only gives a contiguous linear region, so we need to check this |
| * in case we've reached the end of the buffer, in which case we |
| * can wrap around back to the beginning. */ |
| if (frames < wanted) { |
| frames = wanted - frames; |
| snd_pcm_mmap_begin(wwo->pcm, &areas, &ofs, &frames); |
| snd_pcm_mmap_commit(wwo->pcm, ofs, frames); |
| } |
| wanted = 0; |
| snd_pcm_mmap_begin(wwo->pcm, &areas, &ofs, &wanted); |
| snd_pcm_mmap_commit(wwo->pcm, ofs, wanted); |
| pdbi->mmap_wpos = ofs; |
| } |
| |
| switch (msg) { |
| case WINE_WM_STARTING: |
| if (state == WINE_WS_PLAYING) |
| break; |
| |
| alsastate = snd_pcm_state(wwo->pcm); |
| if ( alsastate == SND_PCM_STATE_SETUP ) |
| { |
| err = snd_pcm_prepare(wwo->pcm); |
| alsastate = snd_pcm_state(wwo->pcm); |
| } |
| |
| snd_pcm_avail_update(wwo->pcm); |
| |
| /* Rewind, and initialise */ |
| frames = 0; |
| snd_pcm_mmap_begin(wwo->pcm, &areas, &ofs, &frames); |
| snd_pcm_mmap_commit(wwo->pcm, ofs, frames); |
| snd_pcm_rewind(wwo->pcm, ofs); |
| snd_pcm_hw_params_get_format(wwo->hw_params, &format); |
| snd_pcm_format_set_silence(format, pdbi->mmap_buffer, pdbi->mmap_buflen_frames); |
| pdbi->mmap_ppos = 0; |
| snd_pcm_hw_params_get_period_size(wwo->hw_params, &wanted, NULL); |
| pdbi->mmap_wpos = 2*wanted; |
| if ( alsastate == SND_PCM_STATE_PREPARED ) |
| { |
| err = snd_pcm_start(wwo->pcm); |
| TRACE("Starting 0x%8p err: %d\n", wwo->pcm, err); |
| } |
| state = WINE_WS_PLAYING; |
| break; |
| |
| case WINE_WM_STOPPING: |
| state = WINE_WS_STOPPED; |
| snd_pcm_drop(wwo->pcm); |
| break; |
| |
| case WINE_WM_CLOSING: |
| if (wwo->pcm != NULL) |
| snd_pcm_drop(wwo->pcm); |
| pdbi->mmap_thread = NULL; |
| SetEvent(hEvent); |
| goto out; |
| default: |
| ERR("Unhandled event %s\n", ALSA_getCmdString(msg)); |
| break; |
| } |
| if (hEvent != INVALID_HANDLE_VALUE) |
| SetEvent(hEvent); |
| } while (1); |
| out: |
| TRACE_(waveloop)("Destroyed MMAP thread\n"); |
| TRACE("Destroyed MMAP thread\n"); |
| return 0; |
| } |
| |
| /** |
| * Allocate the memory-mapped buffer for direct sound, and set up the |
| * callback. |
| */ |
| static int DSDB_CreateMMAP(IDsDriverBufferImpl* pdbi) |
| { |
| WINE_WAVEDEV * wwo = &(WOutDev[pdbi->drv->wDevID]); |
| snd_pcm_format_t format; |
| snd_pcm_uframes_t frames, ofs, avail, psize; |
| unsigned int channels, bits_per_sample, bits_per_frame; |
| int err, mmap_mode; |
| |
| mmap_mode = snd_pcm_type(wwo->pcm); |
| |
| ALSA_InitRingMessage(&pdbi->mmap_ring); |
| |
| if (mmap_mode == SND_PCM_TYPE_HW) { |
| TRACE("mmap'd buffer is a hardware buffer.\n"); |
| } |
| else { |
| #if 0 /* Horribly hack, shouldn't be used */ |
| err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &psize, NULL); |
| /* Set only a buffer of 2 period sizes, to decrease latency */ |
| if (err >= 0) |
| err = snd_pcm_hw_params_set_buffer_size_near(wwo->pcm, wwo->hw_params, &psize); |
| |
| psize *= 2; |
| if (err < 0) { |
| ERR("Errno %d (%s) occurred when setting buffer size\n", err, strerror(errno)); |
| } |
| #endif |
| TRACE("mmap'd buffer is an ALSA emulation of hardware buffer.\n"); |
| } |
| |
| err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &psize, NULL); |
| err = snd_pcm_hw_params_get_format(wwo->hw_params, &format); |
| err = snd_pcm_hw_params_get_buffer_size(wwo->hw_params, &frames); |
| err = snd_pcm_hw_params_get_channels(wwo->hw_params, &channels); |
| bits_per_sample = snd_pcm_format_physical_width(format); |
| bits_per_frame = bits_per_sample * channels; |
| |
| if (TRACE_ON(wave)) |
| ALSA_TraceParameters(wwo->hw_params, NULL, FALSE); |
| |
| TRACE("format=%s frames=%ld channels=%d bits_per_sample=%d bits_per_frame=%d\n", |
| snd_pcm_format_name(format), frames, channels, bits_per_sample, bits_per_frame); |
| |
| pdbi->mmap_buflen_frames = frames; |
| pdbi->mmap_buflen_bytes = snd_pcm_frames_to_bytes( wwo->pcm, frames ); |
| |
| avail = snd_pcm_avail_update(wwo->pcm); |
| if (avail < 0) |
| { |
| ERR("No buffer is available: %s.\n", snd_strerror(avail)); |
| return DSERR_GENERIC; |
| } |
| err = snd_pcm_mmap_begin(wwo->pcm, (const snd_pcm_channel_area_t **)&pdbi->mmap_areas, &ofs, &avail); |
| if ( err < 0 ) |
| { |
| ERR("Can't map sound device for direct access: %s\n", snd_strerror(err)); |
| return DSERR_GENERIC; |
| } |
| avail = 0;/* We don't have any data to commit yet */ |
| err = snd_pcm_mmap_commit(wwo->pcm, ofs, avail); |
| if (ofs > 0) |
| err = snd_pcm_rewind(wwo->pcm, ofs); |
| pdbi->mmap_buffer = pdbi->mmap_areas->addr; |
| pdbi->mmap_thread = NULL; |
| |
| TRACE("created mmap buffer of %ld frames (%d bytes) at %p\n", |
| frames, pdbi->mmap_buflen_bytes, pdbi->mmap_buffer); |
| |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj) |
| { |
| /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */ |
| FIXME("(): stub!\n"); |
| return DSERR_UNSUPPORTED; |
| } |
| |
| static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| ULONG refCount = InterlockedIncrement(&This->ref); |
| |
| TRACE("(%p)->(ref before=%u)\n",This, refCount - 1); |
| |
| return refCount; |
| } |
| |
| static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| ULONG refCount = InterlockedDecrement(&This->ref); |
| |
| TRACE("(%p)->(ref before=%u)\n",This, refCount + 1); |
| |
| if (refCount) |
| return refCount; |
| |
| if (This->mmap_thread != NULL) |
| ALSA_AddRingMessage(&This->mmap_ring, WINE_WM_CLOSING, 0, 1); |
| |
| TRACE("mmap buffer %p destroyed\n", This->mmap_buffer); |
| ALSA_DestroyRingMessage(&This->mmap_ring); |
| |
| if (This == This->drv->primary) |
| This->drv->primary = NULL; |
| HeapFree(GetProcessHeap(), 0, This); |
| return 0; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface, |
| LPVOID*ppvAudio1,LPDWORD pdwLen1, |
| LPVOID*ppvAudio2,LPDWORD pdwLen2, |
| DWORD dwWritePosition,DWORD dwWriteLen, |
| DWORD dwFlags) |
| { |
| /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */ |
| TRACE("(%p)\n",iface); |
| return DSERR_UNSUPPORTED; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface, |
| LPVOID pvAudio1,DWORD dwLen1, |
| LPVOID pvAudio2,DWORD dwLen2) |
| { |
| /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */ |
| TRACE("(%p)\n",iface); |
| return DSERR_UNSUPPORTED; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface, |
| LPWAVEFORMATEX pwfx) |
| { |
| /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */ |
| TRACE("(%p,%p)\n",iface,pwfx); |
| return DSERR_BUFFERLOST; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq) |
| { |
| /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */ |
| TRACE("(%p,%d): stub\n",iface,dwFreq); |
| return DSERR_UNSUPPORTED; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan) |
| { |
| DWORD vol; |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| TRACE("(%p,%p)\n",iface,pVolPan); |
| vol = pVolPan->dwTotalLeftAmpFactor | (pVolPan->dwTotalRightAmpFactor << 16); |
| |
| if (wodSetVolume(This->drv->wDevID, vol) != MMSYSERR_NOERROR) { |
| WARN("wodSetVolume failed\n"); |
| return DSERR_INVALIDPARAM; |
| } |
| |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos) |
| { |
| /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */ |
| FIXME("(%p,%d): stub\n",iface,dwNewPos); |
| return DSERR_UNSUPPORTED; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface, |
| LPDWORD lpdwPlay, LPDWORD lpdwWrite) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| WINE_WAVEDEV * wwo = &(WOutDev[This->drv->wDevID]); |
| snd_pcm_uframes_t hw_pptr, hw_wptr; |
| snd_pcm_state_t state; |
| |
| if (wwo->hw_params == NULL || wwo->pcm == NULL) return DSERR_GENERIC; |
| |
| #if 0 /* Shouldn't be needed */ |
| /* we need to track down buffer underruns */ |
| DSDB_CheckXRUN(This); |
| #endif |
| |
| state = snd_pcm_state(wwo->pcm); |
| if (state == SND_PCM_STATE_RUNNING) |
| { |
| hw_pptr = This->mmap_ppos; |
| hw_wptr = This->mmap_wpos; |
| } |
| else |
| hw_pptr = hw_wptr = 0; |
| |
| if (lpdwPlay) |
| *lpdwPlay = snd_pcm_frames_to_bytes(wwo->pcm, hw_pptr) % This->mmap_buflen_bytes; |
| if (lpdwWrite) |
| *lpdwWrite = snd_pcm_frames_to_bytes(wwo->pcm, hw_wptr) % This->mmap_buflen_bytes; |
| |
| TRACE_(waveloop)("hw_pptr=0x%08x, hw_wptr=0x%08x playpos=%d, writepos=%d\n", (unsigned int)hw_pptr, (unsigned int)hw_wptr, lpdwPlay?*lpdwPlay:-1, lpdwWrite?*lpdwWrite:-1); |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| |
| TRACE("(%p,%x,%x,%x)\n",iface,dwRes1,dwRes2,dwFlags); |
| |
| if (This->mmap_thread == NULL) |
| This->mmap_thread = CreateThread(NULL, 0, DBSB_MMAPLoop, (LPVOID)(DWORD)This, 0, NULL); |
| |
| if (This->mmap_thread == NULL) |
| ERR("Cannot create sound thread, don't expect any sound at all\n"); |
| else |
| ALSA_AddRingMessage(&This->mmap_ring, WINE_WM_STARTING, 0, 1); |
| |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| |
| TRACE("(%p)\n",iface); |
| |
| if (This->mmap_thread != NULL) |
| ALSA_AddRingMessage(&This->mmap_ring, WINE_WM_STOPPING, 0, 1); |
| |
| return DS_OK; |
| } |
| |
| static const IDsDriverBufferVtbl dsdbvt = |
| { |
| IDsDriverBufferImpl_QueryInterface, |
| IDsDriverBufferImpl_AddRef, |
| IDsDriverBufferImpl_Release, |
| IDsDriverBufferImpl_Lock, |
| IDsDriverBufferImpl_Unlock, |
| IDsDriverBufferImpl_SetFormat, |
| IDsDriverBufferImpl_SetFrequency, |
| IDsDriverBufferImpl_SetVolumePan, |
| IDsDriverBufferImpl_SetPosition, |
| IDsDriverBufferImpl_GetPosition, |
| IDsDriverBufferImpl_Play, |
| IDsDriverBufferImpl_Stop |
| }; |
| |
| static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj) |
| { |
| /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */ |
| FIXME("(%p): stub!\n",iface); |
| return DSERR_UNSUPPORTED; |
| } |
| |
| static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| ULONG refCount = InterlockedIncrement(&This->ref); |
| |
| TRACE("(%p)->(ref before=%u)\n",This, refCount - 1); |
| |
| return refCount; |
| } |
| |
| static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| ULONG refCount = InterlockedDecrement(&This->ref); |
| |
| TRACE("(%p)->(ref before=%u)\n",This, refCount + 1); |
| |
| if (refCount) |
| return refCount; |
| HeapFree(GetProcessHeap(),0,This); |
| return 0; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface, PDSDRIVERDESC pDesc) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| TRACE("(%p,%p)\n",iface,pDesc); |
| memcpy(pDesc, &(WOutDev[This->wDevID].ds_desc), sizeof(DSDRIVERDESC)); |
| pDesc->dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT | |
| DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK; |
| pDesc->dnDevNode = WOutDev[This->wDevID].waveDesc.dnDevNode; |
| pDesc->wVxdId = 0; |
| pDesc->wReserved = 0; |
| pDesc->ulDeviceNum = This->wDevID; |
| pDesc->dwHeapType = DSDHEAP_NOHEAP; |
| pDesc->pvDirectDrawHeap = NULL; |
| pDesc->dwMemStartAddress = 0; |
| pDesc->dwMemEndAddress = 0; |
| pDesc->dwMemAllocExtra = 0; |
| pDesc->pvReserved1 = NULL; |
| pDesc->pvReserved2 = NULL; |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface) |
| { |
| /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */ |
| TRACE("(%p)\n",iface); |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface) |
| { |
| /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */ |
| TRACE("(%p)\n",iface); |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| TRACE("(%p,%p)\n",iface,pCaps); |
| memcpy(pCaps, &(WOutDev[This->wDevID].ds_caps), sizeof(DSDRIVERCAPS)); |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface, |
| LPWAVEFORMATEX pwfx, |
| DWORD dwFlags, DWORD dwCardAddress, |
| LPDWORD pdwcbBufferSize, |
| LPBYTE *ppbBuffer, |
| LPVOID *ppvObj) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj; |
| int err; |
| |
| TRACE("(%p,%p,%x,%x)\n",iface,pwfx,dwFlags,dwCardAddress); |
| /* we only support primary buffers */ |
| if (!(dwFlags & DSBCAPS_PRIMARYBUFFER)) |
| return DSERR_UNSUPPORTED; |
| if (This->primary) |
| return DSERR_ALLOCATED; |
| if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN)) |
| return DSERR_CONTROLUNAVAIL; |
| |
| *ippdsdb = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl)); |
| if (*ippdsdb == NULL) |
| return DSERR_OUTOFMEMORY; |
| (*ippdsdb)->lpVtbl = &dsdbvt; |
| (*ippdsdb)->ref = 1; |
| (*ippdsdb)->drv = This; |
| |
| err = DSDB_CreateMMAP((*ippdsdb)); |
| if ( err != DS_OK ) |
| { |
| HeapFree(GetProcessHeap(), 0, *ippdsdb); |
| *ippdsdb = NULL; |
| return err; |
| } |
| *ppbBuffer = (*ippdsdb)->mmap_buffer; |
| *pdwcbBufferSize = (*ippdsdb)->mmap_buflen_bytes; |
| |
| This->primary = *ippdsdb; |
| |
| /* buffer is ready to go */ |
| TRACE("buffer created at %p\n", *ippdsdb); |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface, |
| PIDSDRIVERBUFFER pBuffer, |
| LPVOID *ppvObj) |
| { |
| /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */ |
| TRACE("(%p,%p): stub\n",iface,pBuffer); |
| return DSERR_INVALIDCALL; |
| } |
| |
| static const IDsDriverVtbl dsdvt = |
| { |
| IDsDriverImpl_QueryInterface, |
| IDsDriverImpl_AddRef, |
| IDsDriverImpl_Release, |
| IDsDriverImpl_GetDriverDesc, |
| IDsDriverImpl_Open, |
| IDsDriverImpl_Close, |
| IDsDriverImpl_GetCaps, |
| IDsDriverImpl_CreateSoundBuffer, |
| IDsDriverImpl_DuplicateSoundBuffer |
| }; |
| |
| DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv) |
| { |
| IDsDriverImpl** idrv = (IDsDriverImpl**)drv; |
| |
| TRACE("driver created\n"); |
| |
| /* the HAL isn't much better than the HEL if we can't do mmap() */ |
| if (!(WOutDev[wDevID].outcaps.dwSupport & WAVECAPS_DIRECTSOUND)) { |
| ERR("DirectSound flag not set\n"); |
| MESSAGE("This sound card's driver does not support direct access\n"); |
| MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n"); |
| return MMSYSERR_NOTSUPPORTED; |
| } |
| |
| *idrv = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl)); |
| if (!*idrv) |
| return MMSYSERR_NOMEM; |
| (*idrv)->lpVtbl = &dsdvt; |
| (*idrv)->ref = 1; |
| |
| (*idrv)->wDevID = wDevID; |
| (*idrv)->primary = NULL; |
| return MMSYSERR_NOERROR; |
| } |
| |
| DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc) |
| { |
| memcpy(desc, &(WOutDev[wDevID].ds_desc), sizeof(DSDRIVERDESC)); |
| return MMSYSERR_NOERROR; |
| } |
| |
| #endif /* HAVE_ALSA */ |