| /* |
| * 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 <assert.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 "mmddk.h" |
| |
| #include "alsa.h" |
| #include "wine/library.h" |
| #include "wine/unicode.h" |
| #include "wine/debug.h" |
| |
| #ifdef HAVE_ALSA |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(dsalsa); |
| |
| typedef struct IDsDriverImpl IDsDriverImpl; |
| typedef struct IDsDriverBufferImpl IDsDriverBufferImpl; |
| |
| struct IDsDriverImpl |
| { |
| /* IUnknown fields */ |
| const IDsDriverVtbl *lpVtbl; |
| LONG ref; |
| |
| /* IDsDriverImpl fields */ |
| IDsDriverBufferImpl* primary; |
| UINT wDevID; |
| }; |
| |
| struct IDsDriverBufferImpl |
| { |
| const IDsDriverBufferVtbl *lpVtbl; |
| LONG ref; |
| IDsDriverImpl* drv; |
| |
| CRITICAL_SECTION pcm_crst; |
| BYTE *mmap_buffer; |
| DWORD mmap_buflen_bytes; |
| BOOL mmap; |
| |
| snd_pcm_t *pcm; |
| snd_pcm_hw_params_t *hw_params; |
| snd_pcm_sw_params_t *sw_params; |
| snd_pcm_uframes_t mmap_buflen_frames, mmap_pos, mmap_commitahead; |
| }; |
| |
| /** Fill buffers, for starting and stopping |
| * Alsa won't start playing until everything is filled up |
| * This also updates mmap_pos |
| * |
| * Returns: Amount of periods in use so snd_pcm_avail_update |
| * doesn't have to be called up to 4x in GetPosition() |
| */ |
| static snd_pcm_uframes_t CommitAll(IDsDriverBufferImpl *This) |
| { |
| const snd_pcm_channel_area_t *areas; |
| snd_pcm_sframes_t used; |
| const snd_pcm_uframes_t commitahead = This->mmap_commitahead; |
| |
| used = This->mmap_buflen_frames - snd_pcm_avail_update(This->pcm); |
| if (used < 0) used = 0; |
| TRACE("%p needs to commit to %lu, used: %ld\n", This, commitahead, used); |
| if (used < commitahead) |
| { |
| snd_pcm_uframes_t done, putin = commitahead - used; |
| if (This->mmap) |
| { |
| snd_pcm_mmap_begin(This->pcm, &areas, &This->mmap_pos, &putin); |
| done = snd_pcm_mmap_commit(This->pcm, This->mmap_pos, putin); |
| } |
| else |
| { |
| if (putin + This->mmap_pos > This->mmap_buflen_frames) |
| putin = This->mmap_buflen_frames - This->mmap_pos; |
| done = putin; |
| snd_pcm_writei(This->pcm, This->mmap_buffer + snd_pcm_frames_to_bytes(This->pcm, This->mmap_pos), putin); |
| } |
| This->mmap_pos += done; |
| used += done; |
| putin = commitahead - used; |
| |
| if (This->mmap_pos == This->mmap_buflen_frames && (snd_pcm_sframes_t)putin > 0) |
| { |
| if (This->mmap) |
| { |
| snd_pcm_mmap_begin(This->pcm, &areas, &This->mmap_pos, &putin); |
| done = snd_pcm_mmap_commit(This->pcm, This->mmap_pos, putin); |
| This->mmap_pos += done; |
| } |
| else |
| { |
| snd_pcm_writei(This->pcm, This->mmap_buffer, putin); |
| This->mmap_pos = done = putin; |
| } |
| used += done; |
| } |
| } |
| |
| if (This->mmap_pos == This->mmap_buflen_frames) |
| This->mmap_pos = 0; |
| |
| return used; |
| } |
| |
| static void CheckXRUN(IDsDriverBufferImpl* This) |
| { |
| snd_pcm_state_t state = snd_pcm_state(This->pcm); |
| snd_pcm_sframes_t delay; |
| int err; |
| |
| snd_pcm_hwsync(This->pcm); |
| snd_pcm_delay(This->pcm, &delay); |
| if ( state == SND_PCM_STATE_XRUN ) |
| { |
| err = snd_pcm_prepare(This->pcm); |
| CommitAll(This); |
| snd_pcm_start(This->pcm); |
| WARN("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(This->pcm); |
| TRACE("recovery from suspension occurred\n"); |
| if (err < 0 && err != -EAGAIN){ |
| err = snd_pcm_prepare(This->pcm); |
| if (err < 0) |
| ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err)); |
| } |
| } else if ( state != SND_PCM_STATE_RUNNING ) { |
| FIXME("Unhandled state: %d\n", state); |
| } |
| } |
| |
| /** |
| * Allocate the memory-mapped buffer for direct sound, and set up the |
| * callback. |
| */ |
| static int DSDB_CreateMMAP(IDsDriverBufferImpl* pdbi) |
| { |
| snd_pcm_t *pcm = pdbi->pcm; |
| snd_pcm_format_t format; |
| snd_pcm_uframes_t frames, ofs, avail, psize, boundary; |
| unsigned int channels, bits_per_sample, bits_per_frame; |
| int err, mmap_mode; |
| const snd_pcm_channel_area_t *areas; |
| snd_pcm_hw_params_t *hw_params = pdbi->hw_params; |
| snd_pcm_sw_params_t *sw_params = pdbi->sw_params; |
| void *buf; |
| |
| mmap_mode = snd_pcm_type(pcm); |
| |
| if (mmap_mode == SND_PCM_TYPE_HW) |
| TRACE("mmap'd buffer is a direct hardware buffer.\n"); |
| else if (mmap_mode == SND_PCM_TYPE_DMIX) |
| TRACE("mmap'd buffer is an ALSA dmix buffer\n"); |
| else |
| TRACE("mmap'd buffer is an ALSA type %d buffer\n", mmap_mode); |
| |
| err = snd_pcm_hw_params_get_period_size(hw_params, &psize, NULL); |
| |
| err = snd_pcm_hw_params_get_format(hw_params, &format); |
| err = snd_pcm_hw_params_get_buffer_size(hw_params, &frames); |
| err = snd_pcm_hw_params_get_channels(hw_params, &channels); |
| bits_per_sample = snd_pcm_format_physical_width(format); |
| bits_per_frame = bits_per_sample * channels; |
| |
| if (TRACE_ON(dsalsa)) |
| ALSA_TraceParameters(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( pcm, frames ); |
| |
| snd_pcm_sw_params_current(pcm, sw_params); |
| snd_pcm_sw_params_set_start_threshold(pcm, sw_params, 0); |
| snd_pcm_sw_params_get_boundary(sw_params, &boundary); |
| snd_pcm_sw_params_set_stop_threshold(pcm, sw_params, boundary); |
| snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, boundary); |
| snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0); |
| snd_pcm_sw_params_set_avail_min(pcm, sw_params, 0); |
| err = snd_pcm_sw_params(pcm, sw_params); |
| |
| avail = snd_pcm_avail_update(pcm); |
| if ((snd_pcm_sframes_t)avail < 0) |
| { |
| ERR("No buffer is available: %s.\n", snd_strerror(avail)); |
| return DSERR_GENERIC; |
| } |
| |
| if (!pdbi->mmap) |
| { |
| buf = pdbi->mmap_buffer = HeapAlloc(GetProcessHeap(), 0, pdbi->mmap_buflen_bytes); |
| if (!buf) |
| return DSERR_OUTOFMEMORY; |
| |
| snd_pcm_format_set_silence(format, buf, pdbi->mmap_buflen_frames); |
| } |
| else |
| { |
| err = snd_pcm_mmap_begin(pcm, &areas, &ofs, &avail); |
| if ( err < 0 ) |
| { |
| ERR("Can't map sound device for direct access: %s/%d\n", snd_strerror(err), err); |
| return DSERR_GENERIC; |
| } |
| snd_pcm_format_set_silence(format, areas->addr, pdbi->mmap_buflen_frames); |
| pdbi->mmap_pos = ofs + snd_pcm_mmap_commit(pcm, ofs, 0); |
| pdbi->mmap_buffer = areas->addr; |
| } |
| |
| 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; |
| |
| TRACE("mmap buffer %p destroyed\n", This->mmap_buffer); |
| |
| if (This == This->drv->primary) |
| This->drv->primary = NULL; |
| |
| This->pcm_crst.DebugInfo->Spare[0] = 0; |
| DeleteCriticalSection(&This->pcm_crst); |
| |
| snd_pcm_drop(This->pcm); |
| snd_pcm_close(This->pcm); |
| This->pcm = NULL; |
| HeapFree(GetProcessHeap(), 0, This->sw_params); |
| HeapFree(GetProcessHeap(), 0, This->hw_params); |
| if (!This->mmap) |
| HeapFree(GetProcessHeap(), 0, This->mmap_buffer); |
| 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; |
| snd_pcm_uframes_t writepos; |
| |
| TRACE("%d bytes from %d\n", dwWriteLen, dwWritePosition); |
| |
| /* **** */ |
| EnterCriticalSection(&This->pcm_crst); |
| |
| if (dwFlags & DSBLOCK_ENTIREBUFFER) |
| dwWriteLen = This->mmap_buflen_bytes; |
| |
| if (dwWriteLen > This->mmap_buflen_bytes || dwWritePosition >= This->mmap_buflen_bytes) |
| { |
| /* **** */ |
| LeaveCriticalSection(&This->pcm_crst); |
| return DSERR_INVALIDPARAM; |
| } |
| |
| if (ppvAudio2) *ppvAudio2 = NULL; |
| if (pdwLen2) *pdwLen2 = 0; |
| |
| *ppvAudio1 = This->mmap_buffer + dwWritePosition; |
| *pdwLen1 = dwWriteLen; |
| |
| if (dwWritePosition+dwWriteLen > This->mmap_buflen_bytes) |
| { |
| DWORD remainder = This->mmap_buflen_bytes - dwWritePosition; |
| *pdwLen1 = remainder; |
| |
| if (ppvAudio2 && pdwLen2) |
| { |
| *ppvAudio2 = This->mmap_buffer; |
| *pdwLen2 = dwWriteLen - remainder; |
| } |
| else dwWriteLen = remainder; |
| } |
| |
| writepos = snd_pcm_bytes_to_frames(This->pcm, dwWritePosition); |
| if (writepos == This->mmap_pos) |
| { |
| const snd_pcm_channel_area_t *areas; |
| snd_pcm_uframes_t writelen = snd_pcm_bytes_to_frames(This->pcm, dwWriteLen), putin = writelen; |
| TRACE("Hit mmap_pos, locking data!\n"); |
| if (This->mmap) |
| snd_pcm_mmap_begin(This->pcm, &areas, &This->mmap_pos, &putin); |
| } |
| else |
| WARN("mmap_pos (%lu) != writepos (%lu) not locking data!\n", This->mmap_pos, writepos); |
| |
| LeaveCriticalSection(&This->pcm_crst); |
| /* **** */ |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface, |
| LPVOID pvAudio1,DWORD dwLen1, |
| LPVOID pvAudio2,DWORD dwLen2) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| snd_pcm_uframes_t writepos; |
| |
| if (!dwLen1) |
| return DS_OK; |
| |
| /* **** */ |
| EnterCriticalSection(&This->pcm_crst); |
| |
| writepos = snd_pcm_bytes_to_frames(This->pcm, (DWORD_PTR)pvAudio1 - (DWORD_PTR)This->mmap_buffer); |
| if (writepos == This->mmap_pos) |
| { |
| const snd_pcm_channel_area_t *areas; |
| snd_pcm_uframes_t writelen = snd_pcm_bytes_to_frames(This->pcm, dwLen1); |
| TRACE("Committing data\n"); |
| if (This->mmap) |
| This->mmap_pos += snd_pcm_mmap_commit(This->pcm, This->mmap_pos, writelen); |
| else |
| { |
| int ret; |
| ret = snd_pcm_writei(This->pcm, pvAudio1, writelen); |
| if (ret == -EPIPE) |
| { |
| WARN("Underrun occured\n"); |
| snd_pcm_prepare(This->pcm); |
| ret = snd_pcm_writei(This->pcm, pvAudio1, writelen); |
| snd_pcm_start(This->pcm); |
| } |
| if (ret < 0) |
| WARN("Committing data: %d / %s (%p %ld)\n", ret, snd_strerror(ret), pvAudio1, writelen); |
| This->mmap_pos += writelen; |
| } |
| |
| if (This->mmap_pos == This->mmap_buflen_frames) |
| This->mmap_pos = 0; |
| if (!This->mmap_pos && dwLen2) |
| { |
| writelen = snd_pcm_bytes_to_frames(This->pcm, dwLen2); |
| if (This->mmap) |
| { |
| snd_pcm_mmap_begin(This->pcm, &areas, &This->mmap_pos, &writelen); |
| This->mmap_pos += snd_pcm_mmap_commit(This->pcm, This->mmap_pos, writelen); |
| } |
| else |
| { |
| int ret; |
| ret = snd_pcm_writei(This->pcm, pvAudio2, writelen); |
| This->mmap_pos = writelen; |
| } |
| assert(This->mmap_pos < This->mmap_buflen_frames); |
| } |
| } |
| LeaveCriticalSection(&This->pcm_crst); |
| /* **** */ |
| |
| return DS_OK; |
| } |
| |
| static HRESULT SetFormat(IDsDriverBufferImpl *This, LPWAVEFORMATEX pwfx) |
| { |
| snd_pcm_t *pcm = NULL; |
| snd_pcm_hw_params_t *hw_params = This->hw_params; |
| unsigned int buffer_time = 500000; |
| snd_pcm_format_t format = -1; |
| snd_pcm_uframes_t psize; |
| DWORD rate = pwfx->nSamplesPerSec; |
| int err=0; |
| |
| switch (pwfx->wBitsPerSample) |
| { |
| case 8: format = SND_PCM_FORMAT_U8; break; |
| case 16: format = SND_PCM_FORMAT_S16_LE; break; |
| case 24: format = SND_PCM_FORMAT_S24_3LE; break; |
| case 32: format = SND_PCM_FORMAT_S32_LE; break; |
| default: FIXME("Unsupported bpp: %d\n", pwfx->wBitsPerSample); return DSERR_GENERIC; |
| } |
| |
| err = snd_pcm_open(&pcm, WOutDev[This->drv->wDevID].pcmname, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); |
| if (err < 0) |
| { |
| if (errno != EBUSY || !This->pcm) |
| { |
| WARN("Cannot open sound device: %s\n", snd_strerror(err)); |
| return DSERR_GENERIC; |
| } |
| snd_pcm_drop(This->pcm); |
| snd_pcm_close(This->pcm); |
| This->pcm = NULL; |
| err = snd_pcm_open(&pcm, WOutDev[This->drv->wDevID].pcmname, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); |
| if (err < 0) |
| { |
| WARN("Cannot open sound device: %s\n", snd_strerror(err)); |
| return DSERR_BUFFERLOST; |
| } |
| } |
| |
| /* Set some defaults */ |
| snd_pcm_hw_params_any(pcm, hw_params); |
| err = snd_pcm_hw_params_set_channels(pcm, hw_params, pwfx->nChannels); |
| if (err < 0) { WARN("Could not set channels to %d\n", pwfx->nChannels); goto err; } |
| |
| err = snd_pcm_hw_params_set_format(pcm, hw_params, format); |
| if (err < 0) { WARN("Could not set format to %d bpp\n", pwfx->wBitsPerSample); goto err; } |
| |
| /* Alsa's rate resampling is only used if the application specifically requests |
| * a buffer at a certain frequency, else it is better to disable it due to unwanted |
| * side effects, which may include: Less granular pointer, changing buffer sizes, etc |
| */ |
| #if SND_LIB_VERSION >= 0x010009 |
| snd_pcm_hw_params_set_rate_resample(pcm, hw_params, 0); |
| #endif |
| |
| err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, NULL); |
| if (err < 0) { rate = pwfx->nSamplesPerSec; WARN("Could not set rate\n"); goto err; } |
| |
| if (!ALSA_NearMatch(rate, pwfx->nSamplesPerSec)) |
| { |
| WARN("Could not set sound rate to %d, but instead to %d\n", pwfx->nSamplesPerSec, rate); |
| pwfx->nSamplesPerSec = rate; |
| pwfx->nAvgBytesPerSec = rate * pwfx->nBlockAlign; |
| /* Let DirectSound detect this */ |
| } |
| |
| snd_pcm_hw_params_set_periods_integer(pcm, hw_params); |
| snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, NULL); |
| buffer_time = 10000; |
| snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &buffer_time, NULL); |
| |
| err = snd_pcm_hw_params_get_period_size(hw_params, &psize, NULL); |
| buffer_time = 16; |
| snd_pcm_hw_params_set_periods_near(pcm, hw_params, &buffer_time, NULL); |
| |
| if (!This->mmap) |
| { |
| HeapFree(GetProcessHeap(), 0, This->mmap_buffer); |
| This->mmap_buffer = NULL; |
| } |
| |
| err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_MMAP_INTERLEAVED); |
| if (err >= 0) |
| This->mmap = 1; |
| else |
| { |
| This->mmap = 0; |
| err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED); |
| } |
| |
| err = snd_pcm_hw_params(pcm, hw_params); |
| err = snd_pcm_sw_params(pcm, This->sw_params); |
| snd_pcm_prepare(pcm); |
| |
| /* ALSA needs at least 3 buffers to work successfully */ |
| This->mmap_commitahead = 3 * psize; |
| while (This->mmap_commitahead <= 512) |
| This->mmap_commitahead += psize; |
| |
| if (This->pcm) |
| { |
| snd_pcm_drop(This->pcm); |
| snd_pcm_close(This->pcm); |
| } |
| This->pcm = pcm; |
| snd_pcm_prepare(This->pcm); |
| DSDB_CreateMMAP(This); |
| return S_OK; |
| |
| err: |
| if (err < 0) |
| WARN("Failed to apply changes: %s\n", snd_strerror(err)); |
| |
| if (!This->pcm) |
| This->pcm = pcm; |
| else |
| snd_pcm_close(pcm); |
| |
| if (This->pcm) |
| snd_pcm_hw_params_current(This->pcm, This->hw_params); |
| |
| return DSERR_BADFORMAT; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface, LPWAVEFORMATEX pwfx) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| HRESULT hr = S_OK; |
| |
| TRACE("(%p, %p)\n", iface, pwfx); |
| |
| /* **** */ |
| EnterCriticalSection(&This->pcm_crst); |
| hr = SetFormat(This, pwfx); |
| /* **** */ |
| LeaveCriticalSection(&This->pcm_crst); |
| |
| if (hr == DS_OK) |
| return S_FALSE; |
| return hr; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq) |
| { |
| /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */ |
| FIXME("(%p,%d): stub\n",iface,dwFreq); |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan) |
| { |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| FIXME("(%p,%p): stub\n",This,pVolPan); |
| /* TODO: Bring volume control back */ |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos) |
| { |
| /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */ |
| /* I don't even think alsa allows this */ |
| 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; |
| snd_pcm_uframes_t hw_pptr, hw_wptr; |
| snd_pcm_state_t state; |
| |
| /* **** */ |
| EnterCriticalSection(&This->pcm_crst); |
| |
| if (!This->pcm) |
| { |
| FIXME("Bad pointer for pcm: %p\n", This->pcm); |
| LeaveCriticalSection(&This->pcm_crst); |
| return DSERR_GENERIC; |
| } |
| |
| if (!lpdwPlay && !lpdwWrite) |
| CommitAll(This); |
| |
| state = snd_pcm_state(This->pcm); |
| |
| if (state != SND_PCM_STATE_PREPARED && state != SND_PCM_STATE_RUNNING) |
| { |
| CheckXRUN(This); |
| state = snd_pcm_state(This->pcm); |
| } |
| if (state == SND_PCM_STATE_RUNNING) |
| { |
| snd_pcm_sframes_t used = This->mmap_buflen_frames - snd_pcm_avail_update(This->pcm); |
| |
| if (used < 0) |
| { |
| WARN("Underrun: %ld / %ld\n", used, snd_pcm_avail_update(This->pcm)); |
| if (This->mmap) |
| { |
| snd_pcm_forward(This->pcm, -used); |
| This->mmap_pos += -used; |
| This->mmap_pos %= This->mmap_buflen_frames; |
| } |
| used = 0; |
| } |
| |
| if (This->mmap_pos > used) |
| hw_pptr = This->mmap_pos - used; |
| else |
| hw_pptr = This->mmap_buflen_frames + This->mmap_pos - used; |
| hw_pptr %= This->mmap_buflen_frames; |
| |
| TRACE("At position: %ld (%ld) - Used %ld\n", hw_pptr, This->mmap_pos, used); |
| } |
| else hw_pptr = This->mmap_pos; |
| hw_wptr = This->mmap_pos; |
| |
| LeaveCriticalSection(&This->pcm_crst); |
| /* **** */ |
| |
| if (lpdwPlay) |
| *lpdwPlay = snd_pcm_frames_to_bytes(This->pcm, hw_pptr); |
| if (lpdwWrite) |
| *lpdwWrite = snd_pcm_frames_to_bytes(This->pcm, hw_wptr); |
| |
| TRACE("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); |
| |
| /* **** */ |
| EnterCriticalSection(&This->pcm_crst); |
| snd_pcm_start(This->pcm); |
| /* **** */ |
| LeaveCriticalSection(&This->pcm_crst); |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface) |
| { |
| const snd_pcm_channel_area_t *areas; |
| snd_pcm_uframes_t avail; |
| snd_pcm_format_t format; |
| IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; |
| TRACE("(%p)\n",iface); |
| |
| /* **** */ |
| EnterCriticalSection(&This->pcm_crst); |
| avail = This->mmap_buflen_frames; |
| snd_pcm_drop(This->pcm); |
| snd_pcm_prepare(This->pcm); |
| avail = snd_pcm_avail_update(This->pcm); |
| snd_pcm_hw_params_get_format(This->hw_params, &format); |
| if (This->mmap) |
| { |
| snd_pcm_mmap_begin(This->pcm, &areas, &This->mmap_pos, &avail); |
| snd_pcm_format_set_silence(format, areas->addr, This->mmap_buflen_frames); |
| snd_pcm_mmap_commit(This->pcm, This->mmap_pos, 0); |
| } |
| else |
| { |
| snd_pcm_format_set_silence(format, This->mmap_buffer, This->mmap_buflen_frames); |
| snd_pcm_writei(This->pcm, This->mmap_buffer, This->mmap_buflen_frames); |
| This->mmap_pos = 0; |
| } |
| |
| /* **** */ |
| LeaveCriticalSection(&This->pcm_crst); |
| 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); |
| *pDesc = WOutDev[This->wDevID].ds_desc; |
| pDesc->dwFlags = DSDDESC_DONTNEEDSECONDARYLOCK | DSDDESC_DONTNEEDWRITELEAD; |
| 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 = 0xDEAD0000; |
| pDesc->dwMemEndAddress = 0xDEAF0000; |
| pDesc->dwMemAllocExtra = 0; |
| pDesc->pvReserved1 = NULL; |
| pDesc->pvReserved2 = NULL; |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface) |
| { |
| HRESULT hr = S_OK; |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| int err=0; |
| snd_pcm_t *pcm = NULL; |
| snd_pcm_hw_params_t *hw_params; |
| |
| /* While this is not really needed, it is a good idea to do this, |
| * to see if sound can be initialized */ |
| |
| hw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_hw_params_sizeof()); |
| |
| if (!hw_params) |
| { |
| hr = DSERR_OUTOFMEMORY; |
| goto unalloc; |
| } |
| |
| err = snd_pcm_open(&pcm, WOutDev[This->wDevID].pcmname, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); |
| if (err < 0) goto err; |
| err = snd_pcm_hw_params_any(pcm, hw_params); |
| if (err < 0) goto err; |
| err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_MMAP_INTERLEAVED); |
| if (err < 0) |
| err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED); |
| if (err < 0) goto err; |
| |
| TRACE("Success\n"); |
| snd_pcm_close(pcm); |
| goto unalloc; |
| |
| err: |
| hr = DSERR_GENERIC; |
| FIXME("Failed to open device: %s\n", snd_strerror(err)); |
| if (pcm) |
| snd_pcm_close(pcm); |
| unalloc: |
| HeapFree(GetProcessHeap(), 0, hw_params); |
| if (hr != S_OK) |
| WARN("--> %08x\n", hr); |
| return hr; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| TRACE("(%p) stub, harmless\n",This); |
| return DS_OK; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| TRACE("(%p,%p)\n",iface,pCaps); |
| *pCaps = WOutDev[This->wDevID].ds_caps; |
| 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; |
| HRESULT err; |
| |
| TRACE("(%p,%p,%x,%x)\n",iface,pwfx,dwFlags,dwCardAddress); |
| /* we only support primary buffers... for now */ |
| if (!(dwFlags & DSBCAPS_PRIMARYBUFFER)) |
| return DSERR_UNSUPPORTED; |
| if (This->primary) |
| return DSERR_ALLOCATED; |
| |
| *ippdsdb = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDsDriverBufferImpl)); |
| if (*ippdsdb == NULL) |
| return DSERR_OUTOFMEMORY; |
| |
| (*ippdsdb)->hw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_hw_params_sizeof()); |
| (*ippdsdb)->sw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_sw_params_sizeof()); |
| if (!(*ippdsdb)->hw_params || !(*ippdsdb)->sw_params) |
| { |
| HeapFree(GetProcessHeap(), 0, (*ippdsdb)->sw_params); |
| HeapFree(GetProcessHeap(), 0, (*ippdsdb)->hw_params); |
| return DSERR_OUTOFMEMORY; |
| } |
| (*ippdsdb)->lpVtbl = &dsdbvt; |
| (*ippdsdb)->ref = 1; |
| (*ippdsdb)->drv = This; |
| InitializeCriticalSection(&(*ippdsdb)->pcm_crst); |
| (*ippdsdb)->pcm_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ALSA_DSOUTPUT.pcm_crst"); |
| |
| /* SetFormat has to re-initialize pcm here anyway */ |
| err = SetFormat(*ippdsdb, pwfx); |
| if (FAILED(err)) |
| { |
| WARN("Error occurred: %08x\n", err); |
| goto err; |
| } |
| |
| if (dwFlags & DSBCAPS_PRIMARYBUFFER) |
| This->primary = *ippdsdb; |
| |
| *pdwcbBufferSize = (*ippdsdb)->mmap_buflen_bytes; |
| *ppbBuffer = (*ippdsdb)->mmap_buffer; |
| |
| /* buffer is ready to go */ |
| TRACE("buffer created at %p\n", *ippdsdb); |
| return err; |
| |
| err: |
| HeapFree(GetProcessHeap(), 0, (*ippdsdb)->sw_params); |
| HeapFree(GetProcessHeap(), 0, (*ippdsdb)->hw_params); |
| HeapFree(GetProcessHeap(), 0, *ippdsdb); |
| *ippdsdb = NULL; |
| return err; |
| } |
| |
| static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface, |
| PIDSDRIVERBUFFER pBuffer, |
| LPVOID *ppvObj) |
| { |
| IDsDriverImpl *This = (IDsDriverImpl *)iface; |
| FIXME("(%p,%p): stub\n",This,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"); |
| |
| *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) |
| { |
| *desc = WOutDev[wDevID].ds_desc; |
| return MMSYSERR_NOERROR; |
| } |
| |
| #endif /* HAVE_ALSA */ |
