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/*
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* QEMU DirectSound audio driver
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*
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* Copyright (c) 2005 Vassili Karpov (malc)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/*
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* SEAL 1.07 by Carlos 'pel' Hasan was used as documentation
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*/
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#include "qemu-common.h" |
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#include "audio.h" |
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#define AUDIO_CAP "dsound" |
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#include "audio_int.h" |
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#include <windows.h> |
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#include <mmsystem.h> |
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#include <objbase.h> |
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#include <dsound.h> |
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#include "audio_win_int.h" |
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/* #define DEBUG_DSOUND */
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static struct { |
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int lock_retries;
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int restore_retries;
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int getstatus_retries;
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int set_primary;
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int bufsize_in;
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int bufsize_out;
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struct audsettings settings;
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int latency_millis;
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} conf = { |
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.lock_retries = 1,
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.restore_retries = 1,
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.getstatus_retries = 1,
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.set_primary = 0,
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.bufsize_in = 16384,
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.bufsize_out = 16384,
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.settings.freq = 44100,
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.settings.nchannels = 2,
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.settings.fmt = AUD_FMT_S16, |
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.latency_millis = 10
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}; |
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typedef struct { |
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LPDIRECTSOUND dsound; |
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LPDIRECTSOUNDCAPTURE dsound_capture; |
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LPDIRECTSOUNDBUFFER dsound_primary_buffer; |
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struct audsettings settings;
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} dsound; |
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static dsound glob_dsound;
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|
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typedef struct { |
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HWVoiceOut hw; |
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LPDIRECTSOUNDBUFFER dsound_buffer; |
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DWORD old_pos; |
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int first_time;
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#ifdef DEBUG_DSOUND
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DWORD old_ppos; |
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DWORD played; |
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DWORD mixed; |
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#endif
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} DSoundVoiceOut; |
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typedef struct { |
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HWVoiceIn hw; |
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int first_time;
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LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer; |
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} DSoundVoiceIn; |
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static void dsound_log_hresult (HRESULT hr) |
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{ |
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const char *str = "BUG"; |
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switch (hr) {
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case DS_OK:
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str = "The method succeeded";
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break;
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#ifdef DS_NO_VIRTUALIZATION
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case DS_NO_VIRTUALIZATION:
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str = "The buffer was created, but another 3D algorithm was substituted";
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break;
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#endif
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#ifdef DS_INCOMPLETE
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case DS_INCOMPLETE:
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str = "The method succeeded, but not all the optional effects were obtained";
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break;
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#endif
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#ifdef DSERR_ACCESSDENIED
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case DSERR_ACCESSDENIED:
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str = "The request failed because access was denied";
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break;
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#endif
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#ifdef DSERR_ALLOCATED
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case DSERR_ALLOCATED:
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str = "The request failed because resources, such as a priority level, were already in use by another caller";
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break;
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#endif
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#ifdef DSERR_ALREADYINITIALIZED
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case DSERR_ALREADYINITIALIZED:
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str = "The object is already initialized";
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break;
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#endif
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#ifdef DSERR_BADFORMAT
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case DSERR_BADFORMAT:
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str = "The specified wave format is not supported";
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break;
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#endif
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#ifdef DSERR_BADSENDBUFFERGUID
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case DSERR_BADSENDBUFFERGUID:
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str = "The GUID specified in an audiopath file does not match a valid mix-in buffer";
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break;
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#endif
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#ifdef DSERR_BUFFERLOST
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case DSERR_BUFFERLOST:
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str = "The buffer memory has been lost and must be restored";
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break;
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#endif
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#ifdef DSERR_BUFFERTOOSMALL
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case DSERR_BUFFERTOOSMALL:
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str = "The buffer size is not great enough to enable effects processing";
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break;
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#endif
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#ifdef DSERR_CONTROLUNAVAIL
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case DSERR_CONTROLUNAVAIL:
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str = "The buffer control (volume, pan, and so on) requested by the caller is not available. Controls must be specified when the buffer is created, using the dwFlags member of DSBUFFERDESC";
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break;
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#endif
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#ifdef DSERR_DS8_REQUIRED
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case DSERR_DS8_REQUIRED:
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str = "A DirectSound object of class CLSID_DirectSound8 or later is required for the requested functionality. For more information, see IDirectSound8 Interface";
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break;
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#endif
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#ifdef DSERR_FXUNAVAILABLE
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case DSERR_FXUNAVAILABLE:
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str = "The effects requested could not be found on the system, or they are in the wrong order or in the wrong location; for example, an effect expected in hardware was found in software";
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break;
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#endif
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#ifdef DSERR_GENERIC
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case DSERR_GENERIC :
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str = "An undetermined error occurred inside the DirectSound subsystem";
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break;
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#endif
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#ifdef DSERR_INVALIDCALL
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case DSERR_INVALIDCALL:
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str = "This function is not valid for the current state of this object";
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break;
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#endif
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#ifdef DSERR_INVALIDPARAM
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case DSERR_INVALIDPARAM:
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str = "An invalid parameter was passed to the returning function";
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break;
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#endif
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#ifdef DSERR_NOAGGREGATION
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case DSERR_NOAGGREGATION:
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str = "The object does not support aggregation";
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break;
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#endif
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#ifdef DSERR_NODRIVER
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case DSERR_NODRIVER:
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str = "No sound driver is available for use, or the given GUID is not a valid DirectSound device ID";
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break;
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#endif
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#ifdef DSERR_NOINTERFACE
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case DSERR_NOINTERFACE:
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str = "The requested COM interface is not available";
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break;
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#endif
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#ifdef DSERR_OBJECTNOTFOUND
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case DSERR_OBJECTNOTFOUND:
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str = "The requested object was not found";
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break;
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#endif
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#ifdef DSERR_OTHERAPPHASPRIO
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case DSERR_OTHERAPPHASPRIO:
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str = "Another application has a higher priority level, preventing this call from succeeding";
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break;
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#endif
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#ifdef DSERR_OUTOFMEMORY
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case DSERR_OUTOFMEMORY:
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str = "The DirectSound subsystem could not allocate sufficient memory to complete the caller's request";
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break;
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#endif
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#ifdef DSERR_PRIOLEVELNEEDED
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case DSERR_PRIOLEVELNEEDED:
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str = "A cooperative level of DSSCL_PRIORITY or higher is required";
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break;
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#endif
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#ifdef DSERR_SENDLOOP
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case DSERR_SENDLOOP:
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str = "A circular loop of send effects was detected";
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break;
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#endif
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#ifdef DSERR_UNINITIALIZED
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case DSERR_UNINITIALIZED:
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str = "The Initialize method has not been called or has not been called successfully before other methods were called";
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break;
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#endif
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#ifdef DSERR_UNSUPPORTED
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case DSERR_UNSUPPORTED:
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str = "The function called is not supported at this time";
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break;
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#endif
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default:
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AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT %#lx)\n", hr);
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return;
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} |
230 |
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AUD_log (AUDIO_CAP, "Reason: %s\n", str);
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} |
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static void GCC_FMT_ATTR (2, 3) dsound_logerr ( |
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HRESULT hr, |
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const char *fmt, |
237 |
... |
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) |
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{ |
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va_list ap; |
241 |
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va_start (ap, fmt); |
243 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
244 |
va_end (ap); |
245 |
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dsound_log_hresult (hr); |
247 |
} |
248 |
|
249 |
static void GCC_FMT_ATTR (3, 4) dsound_logerr2 ( |
250 |
HRESULT hr, |
251 |
const char *typ, |
252 |
const char *fmt, |
253 |
... |
254 |
) |
255 |
{ |
256 |
va_list ap; |
257 |
|
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AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
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va_start (ap, fmt); |
260 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
261 |
va_end (ap); |
262 |
|
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dsound_log_hresult (hr); |
264 |
} |
265 |
|
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static DWORD millis_to_bytes (struct audio_pcm_info *info, DWORD millis) |
267 |
{ |
268 |
return (millis * info->bytes_per_second) / 1000; |
269 |
} |
270 |
|
271 |
#ifdef DEBUG_DSOUND
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272 |
static void print_wave_format (WAVEFORMATEX *wfx) |
273 |
{ |
274 |
dolog ("tag = %d\n", wfx->wFormatTag);
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275 |
dolog ("nChannels = %d\n", wfx->nChannels);
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276 |
dolog ("nSamplesPerSec = %ld\n", wfx->nSamplesPerSec);
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277 |
dolog ("nAvgBytesPerSec = %ld\n", wfx->nAvgBytesPerSec);
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dolog ("nBlockAlign = %d\n", wfx->nBlockAlign);
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dolog ("wBitsPerSample = %d\n", wfx->wBitsPerSample);
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280 |
dolog ("cbSize = %d\n", wfx->cbSize);
|
281 |
} |
282 |
#endif
|
283 |
|
284 |
static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb) |
285 |
{ |
286 |
HRESULT hr; |
287 |
int i;
|
288 |
|
289 |
for (i = 0; i < conf.restore_retries; ++i) { |
290 |
hr = IDirectSoundBuffer_Restore (dsb); |
291 |
|
292 |
switch (hr) {
|
293 |
case DS_OK:
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294 |
return 0; |
295 |
|
296 |
case DSERR_BUFFERLOST:
|
297 |
continue;
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298 |
|
299 |
default:
|
300 |
dsound_logerr (hr, "Could not restore playback buffer\n");
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301 |
return -1; |
302 |
} |
303 |
} |
304 |
|
305 |
dolog ("%d attempts to restore playback buffer failed\n", i);
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306 |
return -1; |
307 |
} |
308 |
|
309 |
#include "dsound_template.h" |
310 |
#define DSBTYPE_IN
|
311 |
#include "dsound_template.h" |
312 |
#undef DSBTYPE_IN
|
313 |
|
314 |
static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp) |
315 |
{ |
316 |
HRESULT hr; |
317 |
int i;
|
318 |
|
319 |
for (i = 0; i < conf.getstatus_retries; ++i) { |
320 |
hr = IDirectSoundBuffer_GetStatus (dsb, statusp); |
321 |
if (FAILED (hr)) {
|
322 |
dsound_logerr (hr, "Could not get playback buffer status\n");
|
323 |
return -1; |
324 |
} |
325 |
|
326 |
if (*statusp & DSERR_BUFFERLOST) {
|
327 |
if (dsound_restore_out (dsb)) {
|
328 |
return -1; |
329 |
} |
330 |
continue;
|
331 |
} |
332 |
break;
|
333 |
} |
334 |
|
335 |
return 0; |
336 |
} |
337 |
|
338 |
static int dsound_get_status_in (LPDIRECTSOUNDCAPTUREBUFFER dscb, |
339 |
DWORD *statusp) |
340 |
{ |
341 |
HRESULT hr; |
342 |
|
343 |
hr = IDirectSoundCaptureBuffer_GetStatus (dscb, statusp); |
344 |
if (FAILED (hr)) {
|
345 |
dsound_logerr (hr, "Could not get capture buffer status\n");
|
346 |
return -1; |
347 |
} |
348 |
|
349 |
return 0; |
350 |
} |
351 |
|
352 |
static void dsound_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len) |
353 |
{ |
354 |
int src_len1 = dst_len;
|
355 |
int src_len2 = 0; |
356 |
int pos = hw->rpos + dst_len;
|
357 |
struct st_sample *src1 = hw->mix_buf + hw->rpos;
|
358 |
struct st_sample *src2 = NULL; |
359 |
|
360 |
if (pos > hw->samples) {
|
361 |
src_len1 = hw->samples - hw->rpos; |
362 |
src2 = hw->mix_buf; |
363 |
src_len2 = dst_len - src_len1; |
364 |
pos = src_len2; |
365 |
} |
366 |
|
367 |
if (src_len1) {
|
368 |
hw->clip (dst, src1, src_len1); |
369 |
} |
370 |
|
371 |
if (src_len2) {
|
372 |
dst = advance (dst, src_len1 << hw->info.shift); |
373 |
hw->clip (dst, src2, src_len2); |
374 |
} |
375 |
|
376 |
hw->rpos = pos % hw->samples; |
377 |
} |
378 |
|
379 |
static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb) |
380 |
{ |
381 |
int err;
|
382 |
LPVOID p1, p2; |
383 |
DWORD blen1, blen2, len1, len2; |
384 |
|
385 |
err = dsound_lock_out ( |
386 |
dsb, |
387 |
&hw->info, |
388 |
0,
|
389 |
hw->samples << hw->info.shift, |
390 |
&p1, &p2, |
391 |
&blen1, &blen2, |
392 |
1
|
393 |
); |
394 |
if (err) {
|
395 |
return;
|
396 |
} |
397 |
|
398 |
len1 = blen1 >> hw->info.shift; |
399 |
len2 = blen2 >> hw->info.shift; |
400 |
|
401 |
#ifdef DEBUG_DSOUND
|
402 |
dolog ("clear %p,%ld,%ld %p,%ld,%ld\n",
|
403 |
p1, blen1, len1, |
404 |
p2, blen2, len2); |
405 |
#endif
|
406 |
|
407 |
if (p1 && len1) {
|
408 |
audio_pcm_info_clear_buf (&hw->info, p1, len1); |
409 |
} |
410 |
|
411 |
if (p2 && len2) {
|
412 |
audio_pcm_info_clear_buf (&hw->info, p2, len2); |
413 |
} |
414 |
|
415 |
dsound_unlock_out (dsb, p1, p2, blen1, blen2); |
416 |
} |
417 |
|
418 |
static void dsound_close (dsound *s) |
419 |
{ |
420 |
HRESULT hr; |
421 |
|
422 |
if (s->dsound_primary_buffer) {
|
423 |
hr = IDirectSoundBuffer_Release (s->dsound_primary_buffer); |
424 |
if (FAILED (hr)) {
|
425 |
dsound_logerr (hr, "Could not release primary buffer\n");
|
426 |
} |
427 |
s->dsound_primary_buffer = NULL;
|
428 |
} |
429 |
} |
430 |
|
431 |
static int dsound_open (dsound *s) |
432 |
{ |
433 |
int err;
|
434 |
HRESULT hr; |
435 |
WAVEFORMATEX wfx; |
436 |
DSBUFFERDESC dsbd; |
437 |
HWND hwnd; |
438 |
|
439 |
hwnd = GetForegroundWindow (); |
440 |
hr = IDirectSound_SetCooperativeLevel ( |
441 |
s->dsound, |
442 |
hwnd, |
443 |
DSSCL_PRIORITY |
444 |
); |
445 |
|
446 |
if (FAILED (hr)) {
|
447 |
dsound_logerr (hr, "Could not set cooperative level for window %p\n",
|
448 |
hwnd); |
449 |
return -1; |
450 |
} |
451 |
|
452 |
if (!conf.set_primary) {
|
453 |
return 0; |
454 |
} |
455 |
|
456 |
err = waveformat_from_audio_settings (&wfx, &conf.settings); |
457 |
if (err) {
|
458 |
return -1; |
459 |
} |
460 |
|
461 |
memset (&dsbd, 0, sizeof (dsbd)); |
462 |
dsbd.dwSize = sizeof (dsbd);
|
463 |
dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER; |
464 |
dsbd.dwBufferBytes = 0;
|
465 |
dsbd.lpwfxFormat = NULL;
|
466 |
|
467 |
hr = IDirectSound_CreateSoundBuffer ( |
468 |
s->dsound, |
469 |
&dsbd, |
470 |
&s->dsound_primary_buffer, |
471 |
NULL
|
472 |
); |
473 |
if (FAILED (hr)) {
|
474 |
dsound_logerr (hr, "Could not create primary playback buffer\n");
|
475 |
return -1; |
476 |
} |
477 |
|
478 |
hr = IDirectSoundBuffer_SetFormat (s->dsound_primary_buffer, &wfx); |
479 |
if (FAILED (hr)) {
|
480 |
dsound_logerr (hr, "Could not set primary playback buffer format\n");
|
481 |
} |
482 |
|
483 |
hr = IDirectSoundBuffer_GetFormat ( |
484 |
s->dsound_primary_buffer, |
485 |
&wfx, |
486 |
sizeof (wfx),
|
487 |
NULL
|
488 |
); |
489 |
if (FAILED (hr)) {
|
490 |
dsound_logerr (hr, "Could not get primary playback buffer format\n");
|
491 |
goto fail0;
|
492 |
} |
493 |
|
494 |
#ifdef DEBUG_DSOUND
|
495 |
dolog ("Primary\n");
|
496 |
print_wave_format (&wfx); |
497 |
#endif
|
498 |
|
499 |
err = waveformat_to_audio_settings (&wfx, &s->settings); |
500 |
if (err) {
|
501 |
goto fail0;
|
502 |
} |
503 |
|
504 |
return 0; |
505 |
|
506 |
fail0:
|
507 |
dsound_close (s); |
508 |
return -1; |
509 |
} |
510 |
|
511 |
static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...) |
512 |
{ |
513 |
HRESULT hr; |
514 |
DWORD status; |
515 |
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw; |
516 |
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer; |
517 |
|
518 |
if (!dsb) {
|
519 |
dolog ("Attempt to control voice without a buffer\n");
|
520 |
return 0; |
521 |
} |
522 |
|
523 |
switch (cmd) {
|
524 |
case VOICE_ENABLE:
|
525 |
if (dsound_get_status_out (dsb, &status)) {
|
526 |
return -1; |
527 |
} |
528 |
|
529 |
if (status & DSBSTATUS_PLAYING) {
|
530 |
dolog ("warning: Voice is already playing\n");
|
531 |
return 0; |
532 |
} |
533 |
|
534 |
dsound_clear_sample (hw, dsb); |
535 |
|
536 |
hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING); |
537 |
if (FAILED (hr)) {
|
538 |
dsound_logerr (hr, "Could not start playing buffer\n");
|
539 |
return -1; |
540 |
} |
541 |
break;
|
542 |
|
543 |
case VOICE_DISABLE:
|
544 |
if (dsound_get_status_out (dsb, &status)) {
|
545 |
return -1; |
546 |
} |
547 |
|
548 |
if (status & DSBSTATUS_PLAYING) {
|
549 |
hr = IDirectSoundBuffer_Stop (dsb); |
550 |
if (FAILED (hr)) {
|
551 |
dsound_logerr (hr, "Could not stop playing buffer\n");
|
552 |
return -1; |
553 |
} |
554 |
} |
555 |
else {
|
556 |
dolog ("warning: Voice is not playing\n");
|
557 |
} |
558 |
break;
|
559 |
} |
560 |
return 0; |
561 |
} |
562 |
|
563 |
static int dsound_write (SWVoiceOut *sw, void *buf, int len) |
564 |
{ |
565 |
return audio_pcm_sw_write (sw, buf, len);
|
566 |
} |
567 |
|
568 |
static int dsound_run_out (HWVoiceOut *hw, int live) |
569 |
{ |
570 |
int err;
|
571 |
HRESULT hr; |
572 |
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw; |
573 |
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer; |
574 |
int len, hwshift;
|
575 |
DWORD blen1, blen2; |
576 |
DWORD len1, len2; |
577 |
DWORD decr; |
578 |
DWORD wpos, ppos, old_pos; |
579 |
LPVOID p1, p2; |
580 |
int bufsize;
|
581 |
|
582 |
if (!dsb) {
|
583 |
dolog ("Attempt to run empty with playback buffer\n");
|
584 |
return 0; |
585 |
} |
586 |
|
587 |
hwshift = hw->info.shift; |
588 |
bufsize = hw->samples << hwshift; |
589 |
|
590 |
hr = IDirectSoundBuffer_GetCurrentPosition ( |
591 |
dsb, |
592 |
&ppos, |
593 |
ds->first_time ? &wpos : NULL
|
594 |
); |
595 |
if (FAILED (hr)) {
|
596 |
dsound_logerr (hr, "Could not get playback buffer position\n");
|
597 |
return 0; |
598 |
} |
599 |
|
600 |
len = live << hwshift; |
601 |
|
602 |
if (ds->first_time) {
|
603 |
if (conf.latency_millis) {
|
604 |
DWORD cur_blat; |
605 |
|
606 |
cur_blat = audio_ring_dist (wpos, ppos, bufsize); |
607 |
ds->first_time = 0;
|
608 |
old_pos = wpos; |
609 |
old_pos += |
610 |
millis_to_bytes (&hw->info, conf.latency_millis) - cur_blat; |
611 |
old_pos %= bufsize; |
612 |
old_pos &= ~hw->info.align; |
613 |
} |
614 |
else {
|
615 |
old_pos = wpos; |
616 |
} |
617 |
#ifdef DEBUG_DSOUND
|
618 |
ds->played = 0;
|
619 |
ds->mixed = 0;
|
620 |
#endif
|
621 |
} |
622 |
else {
|
623 |
if (ds->old_pos == ppos) {
|
624 |
#ifdef DEBUG_DSOUND
|
625 |
dolog ("old_pos == ppos\n");
|
626 |
#endif
|
627 |
return 0; |
628 |
} |
629 |
|
630 |
#ifdef DEBUG_DSOUND
|
631 |
ds->played += audio_ring_dist (ds->old_pos, ppos, hw->bufsize); |
632 |
#endif
|
633 |
old_pos = ds->old_pos; |
634 |
} |
635 |
|
636 |
if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
|
637 |
len = ppos - old_pos; |
638 |
} |
639 |
else {
|
640 |
if ((old_pos > ppos) && ((old_pos + len) > (ppos + bufsize))) {
|
641 |
len = bufsize - old_pos + ppos; |
642 |
} |
643 |
} |
644 |
|
645 |
if (audio_bug (AUDIO_FUNC, len < 0 || len > bufsize)) { |
646 |
dolog ("len=%d bufsize=%d old_pos=%ld ppos=%ld\n",
|
647 |
len, bufsize, old_pos, ppos); |
648 |
return 0; |
649 |
} |
650 |
|
651 |
len &= ~hw->info.align; |
652 |
if (!len) {
|
653 |
return 0; |
654 |
} |
655 |
|
656 |
#ifdef DEBUG_DSOUND
|
657 |
ds->old_ppos = ppos; |
658 |
#endif
|
659 |
err = dsound_lock_out ( |
660 |
dsb, |
661 |
&hw->info, |
662 |
old_pos, |
663 |
len, |
664 |
&p1, &p2, |
665 |
&blen1, &blen2, |
666 |
0
|
667 |
); |
668 |
if (err) {
|
669 |
return 0; |
670 |
} |
671 |
|
672 |
len1 = blen1 >> hwshift; |
673 |
len2 = blen2 >> hwshift; |
674 |
decr = len1 + len2; |
675 |
|
676 |
if (p1 && len1) {
|
677 |
dsound_write_sample (hw, p1, len1); |
678 |
} |
679 |
|
680 |
if (p2 && len2) {
|
681 |
dsound_write_sample (hw, p2, len2); |
682 |
} |
683 |
|
684 |
dsound_unlock_out (dsb, p1, p2, blen1, blen2); |
685 |
ds->old_pos = (old_pos + (decr << hwshift)) % bufsize; |
686 |
|
687 |
#ifdef DEBUG_DSOUND
|
688 |
ds->mixed += decr << hwshift; |
689 |
|
690 |
dolog ("played %lu mixed %lu diff %ld sec %f\n",
|
691 |
ds->played, |
692 |
ds->mixed, |
693 |
ds->mixed - ds->played, |
694 |
abs (ds->mixed - ds->played) / (double) hw->info.bytes_per_second);
|
695 |
#endif
|
696 |
return decr;
|
697 |
} |
698 |
|
699 |
static int dsound_ctl_in (HWVoiceIn *hw, int cmd, ...) |
700 |
{ |
701 |
HRESULT hr; |
702 |
DWORD status; |
703 |
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw; |
704 |
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer; |
705 |
|
706 |
if (!dscb) {
|
707 |
dolog ("Attempt to control capture voice without a buffer\n");
|
708 |
return -1; |
709 |
} |
710 |
|
711 |
switch (cmd) {
|
712 |
case VOICE_ENABLE:
|
713 |
if (dsound_get_status_in (dscb, &status)) {
|
714 |
return -1; |
715 |
} |
716 |
|
717 |
if (status & DSCBSTATUS_CAPTURING) {
|
718 |
dolog ("warning: Voice is already capturing\n");
|
719 |
return 0; |
720 |
} |
721 |
|
722 |
/* clear ?? */
|
723 |
|
724 |
hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING); |
725 |
if (FAILED (hr)) {
|
726 |
dsound_logerr (hr, "Could not start capturing\n");
|
727 |
return -1; |
728 |
} |
729 |
break;
|
730 |
|
731 |
case VOICE_DISABLE:
|
732 |
if (dsound_get_status_in (dscb, &status)) {
|
733 |
return -1; |
734 |
} |
735 |
|
736 |
if (status & DSCBSTATUS_CAPTURING) {
|
737 |
hr = IDirectSoundCaptureBuffer_Stop (dscb); |
738 |
if (FAILED (hr)) {
|
739 |
dsound_logerr (hr, "Could not stop capturing\n");
|
740 |
return -1; |
741 |
} |
742 |
} |
743 |
else {
|
744 |
dolog ("warning: Voice is not capturing\n");
|
745 |
} |
746 |
break;
|
747 |
} |
748 |
return 0; |
749 |
} |
750 |
|
751 |
static int dsound_read (SWVoiceIn *sw, void *buf, int len) |
752 |
{ |
753 |
return audio_pcm_sw_read (sw, buf, len);
|
754 |
} |
755 |
|
756 |
static int dsound_run_in (HWVoiceIn *hw) |
757 |
{ |
758 |
int err;
|
759 |
HRESULT hr; |
760 |
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw; |
761 |
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer; |
762 |
int live, len, dead;
|
763 |
DWORD blen1, blen2; |
764 |
DWORD len1, len2; |
765 |
DWORD decr; |
766 |
DWORD cpos, rpos; |
767 |
LPVOID p1, p2; |
768 |
int hwshift;
|
769 |
|
770 |
if (!dscb) {
|
771 |
dolog ("Attempt to run without capture buffer\n");
|
772 |
return 0; |
773 |
} |
774 |
|
775 |
hwshift = hw->info.shift; |
776 |
|
777 |
live = audio_pcm_hw_get_live_in (hw); |
778 |
dead = hw->samples - live; |
779 |
if (!dead) {
|
780 |
return 0; |
781 |
} |
782 |
|
783 |
hr = IDirectSoundCaptureBuffer_GetCurrentPosition ( |
784 |
dscb, |
785 |
&cpos, |
786 |
ds->first_time ? &rpos : NULL
|
787 |
); |
788 |
if (FAILED (hr)) {
|
789 |
dsound_logerr (hr, "Could not get capture buffer position\n");
|
790 |
return 0; |
791 |
} |
792 |
|
793 |
if (ds->first_time) {
|
794 |
ds->first_time = 0;
|
795 |
if (rpos & hw->info.align) {
|
796 |
ldebug ("warning: Misaligned capture read position %ld(%d)\n",
|
797 |
rpos, hw->info.align); |
798 |
} |
799 |
hw->wpos = rpos >> hwshift; |
800 |
} |
801 |
|
802 |
if (cpos & hw->info.align) {
|
803 |
ldebug ("warning: Misaligned capture position %ld(%d)\n",
|
804 |
cpos, hw->info.align); |
805 |
} |
806 |
cpos >>= hwshift; |
807 |
|
808 |
len = audio_ring_dist (cpos, hw->wpos, hw->samples); |
809 |
if (!len) {
|
810 |
return 0; |
811 |
} |
812 |
len = audio_MIN (len, dead); |
813 |
|
814 |
err = dsound_lock_in ( |
815 |
dscb, |
816 |
&hw->info, |
817 |
hw->wpos << hwshift, |
818 |
len << hwshift, |
819 |
&p1, |
820 |
&p2, |
821 |
&blen1, |
822 |
&blen2, |
823 |
0
|
824 |
); |
825 |
if (err) {
|
826 |
return 0; |
827 |
} |
828 |
|
829 |
len1 = blen1 >> hwshift; |
830 |
len2 = blen2 >> hwshift; |
831 |
decr = len1 + len2; |
832 |
|
833 |
if (p1 && len1) {
|
834 |
hw->conv (hw->conv_buf + hw->wpos, p1, len1); |
835 |
} |
836 |
|
837 |
if (p2 && len2) {
|
838 |
hw->conv (hw->conv_buf, p2, len2); |
839 |
} |
840 |
|
841 |
dsound_unlock_in (dscb, p1, p2, blen1, blen2); |
842 |
hw->wpos = (hw->wpos + decr) % hw->samples; |
843 |
return decr;
|
844 |
} |
845 |
|
846 |
static void dsound_audio_fini (void *opaque) |
847 |
{ |
848 |
HRESULT hr; |
849 |
dsound *s = opaque; |
850 |
|
851 |
if (!s->dsound) {
|
852 |
return;
|
853 |
} |
854 |
|
855 |
hr = IDirectSound_Release (s->dsound); |
856 |
if (FAILED (hr)) {
|
857 |
dsound_logerr (hr, "Could not release DirectSound\n");
|
858 |
} |
859 |
s->dsound = NULL;
|
860 |
|
861 |
if (!s->dsound_capture) {
|
862 |
return;
|
863 |
} |
864 |
|
865 |
hr = IDirectSoundCapture_Release (s->dsound_capture); |
866 |
if (FAILED (hr)) {
|
867 |
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
|
868 |
} |
869 |
s->dsound_capture = NULL;
|
870 |
} |
871 |
|
872 |
static void *dsound_audio_init (void) |
873 |
{ |
874 |
int err;
|
875 |
HRESULT hr; |
876 |
dsound *s = &glob_dsound; |
877 |
|
878 |
hr = CoInitialize (NULL);
|
879 |
if (FAILED (hr)) {
|
880 |
dsound_logerr (hr, "Could not initialize COM\n");
|
881 |
return NULL; |
882 |
} |
883 |
|
884 |
hr = CoCreateInstance ( |
885 |
&CLSID_DirectSound, |
886 |
NULL,
|
887 |
CLSCTX_ALL, |
888 |
&IID_IDirectSound, |
889 |
(void **) &s->dsound
|
890 |
); |
891 |
if (FAILED (hr)) {
|
892 |
dsound_logerr (hr, "Could not create DirectSound instance\n");
|
893 |
return NULL; |
894 |
} |
895 |
|
896 |
hr = IDirectSound_Initialize (s->dsound, NULL);
|
897 |
if (FAILED (hr)) {
|
898 |
dsound_logerr (hr, "Could not initialize DirectSound\n");
|
899 |
|
900 |
hr = IDirectSound_Release (s->dsound); |
901 |
if (FAILED (hr)) {
|
902 |
dsound_logerr (hr, "Could not release DirectSound\n");
|
903 |
} |
904 |
s->dsound = NULL;
|
905 |
return NULL; |
906 |
} |
907 |
|
908 |
hr = CoCreateInstance ( |
909 |
&CLSID_DirectSoundCapture, |
910 |
NULL,
|
911 |
CLSCTX_ALL, |
912 |
&IID_IDirectSoundCapture, |
913 |
(void **) &s->dsound_capture
|
914 |
); |
915 |
if (FAILED (hr)) {
|
916 |
dsound_logerr (hr, "Could not create DirectSoundCapture instance\n");
|
917 |
} |
918 |
else {
|
919 |
hr = IDirectSoundCapture_Initialize (s->dsound_capture, NULL);
|
920 |
if (FAILED (hr)) {
|
921 |
dsound_logerr (hr, "Could not initialize DirectSoundCapture\n");
|
922 |
|
923 |
hr = IDirectSoundCapture_Release (s->dsound_capture); |
924 |
if (FAILED (hr)) {
|
925 |
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
|
926 |
} |
927 |
s->dsound_capture = NULL;
|
928 |
} |
929 |
} |
930 |
|
931 |
err = dsound_open (s); |
932 |
if (err) {
|
933 |
dsound_audio_fini (s); |
934 |
return NULL; |
935 |
} |
936 |
|
937 |
return s;
|
938 |
} |
939 |
|
940 |
static struct audio_option dsound_options[] = { |
941 |
{ |
942 |
.name = "LOCK_RETRIES",
|
943 |
.tag = AUD_OPT_INT, |
944 |
.valp = &conf.lock_retries, |
945 |
.descr = "Number of times to attempt locking the buffer"
|
946 |
}, |
947 |
{ |
948 |
.name = "RESTOURE_RETRIES",
|
949 |
.tag = AUD_OPT_INT, |
950 |
.valp = &conf.restore_retries, |
951 |
.descr = "Number of times to attempt restoring the buffer"
|
952 |
}, |
953 |
{ |
954 |
.name = "GETSTATUS_RETRIES",
|
955 |
.tag = AUD_OPT_INT, |
956 |
.valp = &conf.getstatus_retries, |
957 |
.descr = "Number of times to attempt getting status of the buffer"
|
958 |
}, |
959 |
{ |
960 |
.name = "SET_PRIMARY",
|
961 |
.tag = AUD_OPT_BOOL, |
962 |
.valp = &conf.set_primary, |
963 |
.descr = "Set the parameters of primary buffer"
|
964 |
}, |
965 |
{ |
966 |
.name = "LATENCY_MILLIS",
|
967 |
.tag = AUD_OPT_INT, |
968 |
.valp = &conf.latency_millis, |
969 |
.descr = "(undocumented)"
|
970 |
}, |
971 |
{ |
972 |
.name = "PRIMARY_FREQ",
|
973 |
.tag = AUD_OPT_INT, |
974 |
.valp = &conf.settings.freq, |
975 |
.descr = "Primary buffer frequency"
|
976 |
}, |
977 |
{ |
978 |
.name = "PRIMARY_CHANNELS",
|
979 |
.tag = AUD_OPT_INT, |
980 |
.valp = &conf.settings.nchannels, |
981 |
.descr = "Primary buffer number of channels (1 - mono, 2 - stereo)"
|
982 |
}, |
983 |
{ |
984 |
.name = "PRIMARY_FMT",
|
985 |
.tag = AUD_OPT_FMT, |
986 |
.valp = &conf.settings.fmt, |
987 |
.descr = "Primary buffer format"
|
988 |
}, |
989 |
{ |
990 |
.name = "BUFSIZE_OUT",
|
991 |
.tag = AUD_OPT_INT, |
992 |
.valp = &conf.bufsize_out, |
993 |
.descr = "(undocumented)"
|
994 |
}, |
995 |
{ |
996 |
.name = "BUFSIZE_IN",
|
997 |
.tag = AUD_OPT_INT, |
998 |
.valp = &conf.bufsize_in, |
999 |
.descr = "(undocumented)"
|
1000 |
}, |
1001 |
{ /* End of list */ }
|
1002 |
}; |
1003 |
|
1004 |
static struct audio_pcm_ops dsound_pcm_ops = { |
1005 |
.init_out = dsound_init_out, |
1006 |
.fini_out = dsound_fini_out, |
1007 |
.run_out = dsound_run_out, |
1008 |
.write = dsound_write, |
1009 |
.ctl_out = dsound_ctl_out, |
1010 |
|
1011 |
.init_in = dsound_init_in, |
1012 |
.fini_in = dsound_fini_in, |
1013 |
.run_in = dsound_run_in, |
1014 |
.read = dsound_read, |
1015 |
.ctl_in = dsound_ctl_in |
1016 |
}; |
1017 |
|
1018 |
struct audio_driver dsound_audio_driver = {
|
1019 |
.name = "dsound",
|
1020 |
.descr = "DirectSound http://wikipedia.org/wiki/DirectSound",
|
1021 |
.options = dsound_options, |
1022 |
.init = dsound_audio_init, |
1023 |
.fini = dsound_audio_fini, |
1024 |
.pcm_ops = &dsound_pcm_ops, |
1025 |
.can_be_default = 1,
|
1026 |
.max_voices_out = INT_MAX, |
1027 |
.max_voices_in = 1,
|
1028 |
.voice_size_out = sizeof (DSoundVoiceOut),
|
1029 |
.voice_size_in = sizeof (DSoundVoiceIn)
|
1030 |
}; |