mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-01 18:33:37 +00:00
![Davide Beatrici](/assets/img/avatar_default.png)
The data type for "done" was accidentally changed in e29dc33aeb
.
BOOL is basically the same as UINT32, but it should only be used for flags.
BOOLEAN would be better for that though, as it's single-byte.
2892 lines
90 KiB
C
2892 lines
90 KiB
C
/*
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* Copyright 2010 Maarten Lankhorst for CodeWeavers
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* Copyright 2011 Andrew Eikum for CodeWeavers
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* Copyright 2022 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <pthread.h>
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#include <alsa/asoundlib.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "initguid.h"
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#include "mmdeviceapi.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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#include "wine/unixlib.h"
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#include "unixlib.h"
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WINE_DEFAULT_DEBUG_CHANNEL(alsa);
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struct alsa_stream
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{
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snd_pcm_t *pcm_handle;
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snd_pcm_uframes_t alsa_bufsize_frames, alsa_period_frames, safe_rewind_frames;
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snd_pcm_hw_params_t *hw_params; /* does not hold state between calls */
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snd_pcm_format_t alsa_format;
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LARGE_INTEGER last_period_time;
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WAVEFORMATEX *fmt;
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DWORD flags;
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AUDCLNT_SHAREMODE share;
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EDataFlow flow;
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HANDLE event;
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BOOL need_remapping;
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int alsa_channels;
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int alsa_channel_map[32];
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BOOL started, please_quit;
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REFERENCE_TIME mmdev_period_rt;
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UINT64 written_frames, last_pos_frames;
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UINT32 bufsize_frames, held_frames, tmp_buffer_frames, mmdev_period_frames;
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snd_pcm_uframes_t remapping_buf_frames;
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UINT32 lcl_offs_frames; /* offs into local_buffer where valid data starts */
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UINT32 wri_offs_frames; /* where to write fresh data in local_buffer */
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UINT32 hidden_frames; /* ALSA reserve to ensure continuous rendering */
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UINT32 vol_adjusted_frames; /* Frames we've already adjusted the volume of but didn't write yet */
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UINT32 data_in_alsa_frames;
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BYTE *local_buffer, *tmp_buffer, *remapping_buf, *silence_buf;
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LONG32 getbuf_last; /* <0 when using tmp_buffer */
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float *vols;
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pthread_mutex_t lock;
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};
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#define EXTRA_SAFE_RT 40000
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static const WCHAR drv_keyW[] = {'S','o','f','t','w','a','r','e','\\',
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'W','i','n','e','\\','D','r','i','v','e','r','s','\\',
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'w','i','n','e','a','l','s','a','.','d','r','v'};
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static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
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{
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while (len--) *dst++ = (unsigned char)*src++;
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}
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static HKEY reg_open_key( HKEY root, const WCHAR *name, ULONG name_len )
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{
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UNICODE_STRING nameW = { name_len, name_len, (WCHAR *)name };
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OBJECT_ATTRIBUTES attr;
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HANDLE ret;
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attr.Length = sizeof(attr);
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attr.RootDirectory = root;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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if (NtOpenKeyEx( &ret, MAXIMUM_ALLOWED, &attr, 0 )) return 0;
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return ret;
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}
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static HKEY open_hkcu(void)
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{
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char buffer[256];
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WCHAR bufferW[256];
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DWORD_PTR sid_data[(sizeof(TOKEN_USER) + SECURITY_MAX_SID_SIZE) / sizeof(DWORD_PTR)];
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DWORD i, len = sizeof(sid_data);
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SID *sid;
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if (NtQueryInformationToken( GetCurrentThreadEffectiveToken(), TokenUser, sid_data, len, &len ))
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return 0;
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sid = ((TOKEN_USER *)sid_data)->User.Sid;
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len = sprintf( buffer, "\\Registry\\User\\S-%u-%u", sid->Revision,
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(unsigned)MAKELONG( MAKEWORD( sid->IdentifierAuthority.Value[5], sid->IdentifierAuthority.Value[4] ),
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MAKEWORD( sid->IdentifierAuthority.Value[3], sid->IdentifierAuthority.Value[2] )));
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for (i = 0; i < sid->SubAuthorityCount; i++)
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len += sprintf( buffer + len, "-%u", (unsigned)sid->SubAuthority[i] );
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ascii_to_unicode( bufferW, buffer, len + 1 );
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return reg_open_key( NULL, bufferW, len * sizeof(WCHAR) );
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}
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static HKEY reg_open_hkcu_key( const WCHAR *name, ULONG name_len )
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{
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HKEY hkcu = open_hkcu(), key;
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key = reg_open_key( hkcu, name, name_len );
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NtClose( hkcu );
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return key;
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}
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static ULONG reg_query_value( HKEY hkey, const WCHAR *name,
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KEY_VALUE_PARTIAL_INFORMATION *info, ULONG size )
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{
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unsigned int name_size = name ? wcslen( name ) * sizeof(WCHAR) : 0;
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UNICODE_STRING nameW = { name_size, name_size, (WCHAR *)name };
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if (NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
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info, size, &size ))
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return 0;
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return size - FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data);
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}
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static snd_pcm_stream_t alsa_get_direction(EDataFlow flow)
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{
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return (flow == eRender) ? SND_PCM_STREAM_PLAYBACK : SND_PCM_STREAM_CAPTURE;
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}
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static WCHAR *strdupAtoW(const char *str)
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{
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unsigned int len;
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WCHAR *ret;
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if(!str) return NULL;
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len = strlen(str) + 1;
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ret = malloc(len * sizeof(WCHAR));
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if(ret) ntdll_umbstowcs(str, len, ret, len);
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return ret;
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}
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/* copied from kernelbase */
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static int muldiv( int a, int b, int c )
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{
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LONGLONG ret;
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if (!c) return -1;
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/* We want to deal with a positive divisor to simplify the logic. */
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if (c < 0)
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{
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a = -a;
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c = -c;
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}
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/* If the result is positive, we "add" to round. else, we subtract to round. */
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if ((a < 0 && b < 0) || (a >= 0 && b >= 0))
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ret = (((LONGLONG)a * b) + (c / 2)) / c;
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else
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ret = (((LONGLONG)a * b) - (c / 2)) / c;
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if (ret > 2147483647 || ret < -2147483647) return -1;
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return ret;
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}
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static void alsa_lock(struct alsa_stream *stream)
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{
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pthread_mutex_lock(&stream->lock);
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}
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static void alsa_unlock(struct alsa_stream *stream)
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{
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pthread_mutex_unlock(&stream->lock);
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}
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static NTSTATUS alsa_unlock_result(struct alsa_stream *stream,
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HRESULT *result, HRESULT value)
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{
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*result = value;
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alsa_unlock(stream);
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return STATUS_SUCCESS;
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}
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static struct alsa_stream *handle_get_stream(stream_handle h)
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{
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return (struct alsa_stream *)(UINT_PTR)h;
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}
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static BOOL alsa_try_open(const char *devnode, EDataFlow flow)
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{
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snd_pcm_t *handle;
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int err;
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TRACE("devnode: %s, flow: %d\n", devnode, flow);
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if((err = snd_pcm_open(&handle, devnode, alsa_get_direction(flow), SND_PCM_NONBLOCK)) < 0){
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WARN("The device \"%s\" failed to open: %d (%s).\n", devnode, err, snd_strerror(err));
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return FALSE;
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}
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snd_pcm_close(handle);
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return TRUE;
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}
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static WCHAR *construct_device_id(EDataFlow flow, const WCHAR *chunk1, const WCHAR *chunk2)
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{
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WCHAR *ret;
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const WCHAR *prefix;
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size_t len_wchars = 0, chunk1_len = 0, chunk2_len = 0, copied = 0, prefix_len;
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static const WCHAR dashW[] = {' ','-',' ',0};
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static const size_t dashW_len = ARRAY_SIZE(dashW) - 1;
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static const WCHAR outW[] = {'O','u','t',':',' ',0};
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static const WCHAR inW[] = {'I','n',':',' ',0};
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if(flow == eRender){
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prefix = outW;
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prefix_len = ARRAY_SIZE(outW) - 1;
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len_wchars += prefix_len;
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}else{
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prefix = inW;
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prefix_len = ARRAY_SIZE(inW) - 1;
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len_wchars += prefix_len;
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}
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if(chunk1){
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chunk1_len = wcslen(chunk1);
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len_wchars += chunk1_len;
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}
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if(chunk1 && chunk2)
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len_wchars += dashW_len;
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if(chunk2){
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chunk2_len = wcslen(chunk2);
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len_wchars += chunk2_len;
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}
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len_wchars += 1; /* NULL byte */
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ret = malloc(len_wchars * sizeof(WCHAR));
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memcpy(ret, prefix, prefix_len * sizeof(WCHAR));
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copied += prefix_len;
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if(chunk1){
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memcpy(ret + copied, chunk1, chunk1_len * sizeof(WCHAR));
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copied += chunk1_len;
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}
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if(chunk1 && chunk2){
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memcpy(ret + copied, dashW, dashW_len * sizeof(WCHAR));
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copied += dashW_len;
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}
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if(chunk2){
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memcpy(ret + copied, chunk2, chunk2_len * sizeof(WCHAR));
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copied += chunk2_len;
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}
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ret[copied] = 0;
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TRACE("Enumerated device: %s\n", wine_dbgstr_w(ret));
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return ret;
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}
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struct endpt
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{
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WCHAR *name;
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char *device;
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};
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struct endpoints_info
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{
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unsigned int num, size;
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struct endpt *endpoints;
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};
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static void endpoints_add(struct endpoints_info *endpoints, WCHAR *name, char *device)
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{
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if(endpoints->num >= endpoints->size){
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if (!endpoints->size) endpoints->size = 16;
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else endpoints->size *= 2;
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endpoints->endpoints = realloc(endpoints->endpoints, endpoints->size * sizeof(*endpoints->endpoints));
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}
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endpoints->endpoints[endpoints->num].name = name;
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endpoints->endpoints[endpoints->num++].device = device;
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}
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static HRESULT alsa_get_card_devices(EDataFlow flow, struct endpoints_info *endpoints_info,
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snd_ctl_t *ctl, int card, const WCHAR *cardname)
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{
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int err, device;
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snd_pcm_info_t *info;
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info = calloc(1, snd_pcm_info_sizeof());
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if(!info)
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return E_OUTOFMEMORY;
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snd_pcm_info_set_subdevice(info, 0);
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snd_pcm_info_set_stream(info, alsa_get_direction(flow));
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device = -1;
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for(err = snd_ctl_pcm_next_device(ctl, &device); device != -1 && err >= 0;
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err = snd_ctl_pcm_next_device(ctl, &device)){
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char devnode[32];
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WCHAR *devname;
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snd_pcm_info_set_device(info, device);
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if((err = snd_ctl_pcm_info(ctl, info)) < 0){
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if(err == -ENOENT)
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/* This device doesn't have the right stream direction */
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continue;
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WARN("Failed to get info for card %d, device %d: %d (%s)\n",
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card, device, err, snd_strerror(err));
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continue;
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}
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sprintf(devnode, "plughw:%d,%d", card, device);
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if(!alsa_try_open(devnode, flow))
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continue;
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devname = strdupAtoW(snd_pcm_info_get_name(info));
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if(!devname){
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WARN("Unable to get device name for card %d, device %d\n", card, device);
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continue;
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}
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endpoints_add(endpoints_info, construct_device_id(flow, cardname, devname), strdup(devnode));
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free(devname);
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}
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free(info);
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if(err != 0)
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WARN("Got a failure during device enumeration on card %d: %d (%s)\n",
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card, err, snd_strerror(err));
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return S_OK;
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}
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static void get_reg_devices(EDataFlow flow, struct endpoints_info *endpoints_info)
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{
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static const WCHAR ALSAOutputDevices[] = {'A','L','S','A','O','u','t','p','u','t','D','e','v','i','c','e','s',0};
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static const WCHAR ALSAInputDevices[] = {'A','L','S','A','I','n','p','u','t','D','e','v','i','c','e','s',0};
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char buffer[4096];
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KEY_VALUE_PARTIAL_INFORMATION *key_info = (void *)buffer;
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HKEY key;
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DWORD size;
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const WCHAR *value_name = (flow == eRender) ? ALSAOutputDevices : ALSAInputDevices;
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/* @@ Wine registry key: HKCU\Software\Wine\Drivers\winealsa.drv */
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if((key = reg_open_hkcu_key(drv_keyW, sizeof(drv_keyW)))){
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if((size = reg_query_value(key, value_name, key_info, sizeof(buffer)))){
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WCHAR *p = (WCHAR *)key_info->Data;
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if(key_info->Type != REG_MULTI_SZ){
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ERR("Registry ALSA device list value type must be REG_MULTI_SZ\n");
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NtClose(key);
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return;
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}
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while(*p){
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int len = wcslen(p);
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char *devname = malloc(len * 3 + 1);
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ntdll_wcstoumbs(p, len + 1, devname, len * 3 + 1, FALSE);
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if(alsa_try_open(devname, flow))
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endpoints_add(endpoints_info, construct_device_id(flow, p, NULL), strdup(devname));
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free(devname);
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p += len + 1;
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}
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}
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NtClose(key);
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}
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}
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struct card_type {
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struct list entry;
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int first_card_number;
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char string[1];
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};
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static struct list card_types = LIST_INIT(card_types);
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|
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static BOOL need_card_number(int card, const char *string)
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{
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struct card_type *cptr;
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LIST_FOR_EACH_ENTRY(cptr, &card_types, struct card_type, entry)
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{
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if(!strcmp(string, cptr->string))
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return card != cptr->first_card_number;
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}
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|
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/* this is the first instance of string */
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cptr = malloc(sizeof(struct card_type) + strlen(string));
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if(!cptr)
|
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/* Default to displaying card number if we can't track cards */
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return TRUE;
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cptr->first_card_number = card;
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strcpy(cptr->string, string);
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list_add_head(&card_types, &cptr->entry);
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return FALSE;
|
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}
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|
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static WCHAR *alsa_get_card_name(int card)
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{
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char *cardname;
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WCHAR *ret;
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int err;
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|
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if((err = snd_card_get_name(card, &cardname)) < 0){
|
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/* FIXME: Should be localized */
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WARN("Unable to get card name for ALSA device %d: %d (%s)\n", card, err, snd_strerror(err));
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cardname = strdup("Unknown soundcard");
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}
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|
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if(need_card_number(card, cardname)){
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char *cardnameN;
|
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/*
|
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* For identical card names, second and subsequent instances get
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* card number prefix to distinguish them (like Windows).
|
|
*/
|
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if(asprintf(&cardnameN, "%u-%s", card, cardname) > 0){
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free(cardname);
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|
cardname = cardnameN;
|
|
}
|
|
}
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|
|
ret = strdupAtoW(cardname);
|
|
free(cardname);
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|
|
return ret;
|
|
}
|
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|
|
static NTSTATUS alsa_get_endpoint_ids(void *args)
|
|
{
|
|
static const WCHAR defaultW[] = {'d','e','f','a','u','l','t',0};
|
|
struct get_endpoint_ids_params *params = args;
|
|
struct endpoints_info endpoints_info;
|
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unsigned int i, needed, name_len, device_len, offset;
|
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struct endpoint *endpoint;
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int err, card;
|
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card = -1;
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|
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endpoints_info.num = endpoints_info.size = 0;
|
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endpoints_info.endpoints = NULL;
|
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|
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if(alsa_try_open("default", params->flow))
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endpoints_add(&endpoints_info, construct_device_id(params->flow, defaultW, NULL), strdup("default"));
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|
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get_reg_devices(params->flow, &endpoints_info);
|
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|
|
for(err = snd_card_next(&card); card != -1 && err >= 0; err = snd_card_next(&card)){
|
|
char cardpath[64];
|
|
WCHAR *cardname;
|
|
snd_ctl_t *ctl;
|
|
|
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sprintf(cardpath, "hw:%u", card);
|
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|
|
if((err = snd_ctl_open(&ctl, cardpath, 0)) < 0){
|
|
WARN("Unable to open ctl for ALSA device %s: %d (%s)\n", cardpath,
|
|
err, snd_strerror(err));
|
|
continue;
|
|
}
|
|
|
|
cardname = alsa_get_card_name(card);
|
|
alsa_get_card_devices(params->flow, &endpoints_info, ctl, card, cardname);
|
|
free(cardname);
|
|
|
|
snd_ctl_close(ctl);
|
|
}
|
|
|
|
if(err != 0)
|
|
WARN("Got a failure during card enumeration: %d (%s)\n", err, snd_strerror(err));
|
|
|
|
offset = needed = endpoints_info.num * sizeof(*params->endpoints);
|
|
endpoint = params->endpoints;
|
|
|
|
for(i = 0; i < endpoints_info.num; i++){
|
|
name_len = wcslen(endpoints_info.endpoints[i].name) + 1;
|
|
device_len = strlen(endpoints_info.endpoints[i].device) + 1;
|
|
needed += name_len * sizeof(WCHAR) + ((device_len + 1) & ~1);
|
|
|
|
if(needed <= params->size){
|
|
endpoint->name = offset;
|
|
memcpy((char *)params->endpoints + offset, endpoints_info.endpoints[i].name, name_len * sizeof(WCHAR));
|
|
offset += name_len * sizeof(WCHAR);
|
|
endpoint->device = offset;
|
|
memcpy((char *)params->endpoints + offset, endpoints_info.endpoints[i].device, device_len);
|
|
offset += (device_len + 1) & ~1;
|
|
endpoint++;
|
|
}
|
|
free(endpoints_info.endpoints[i].name);
|
|
free(endpoints_info.endpoints[i].device);
|
|
}
|
|
free(endpoints_info.endpoints);
|
|
|
|
params->num = endpoints_info.num;
|
|
params->default_idx = 0;
|
|
|
|
if(needed > params->size){
|
|
params->size = needed;
|
|
params->result = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
|
|
} else
|
|
params->result = S_OK;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static WAVEFORMATEXTENSIBLE *clone_format(const WAVEFORMATEX *fmt)
|
|
{
|
|
WAVEFORMATEXTENSIBLE *ret;
|
|
size_t size;
|
|
|
|
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
|
|
size = sizeof(WAVEFORMATEXTENSIBLE);
|
|
else
|
|
size = sizeof(WAVEFORMATEX);
|
|
|
|
ret = malloc(size);
|
|
if(!ret)
|
|
return NULL;
|
|
|
|
memcpy(ret, fmt, size);
|
|
|
|
ret->Format.cbSize = size - sizeof(WAVEFORMATEX);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static HRESULT alsa_open_device(const char *alsa_name, EDataFlow flow, snd_pcm_t **pcm_handle,
|
|
snd_pcm_hw_params_t **hw_params)
|
|
{
|
|
snd_pcm_stream_t pcm_stream;
|
|
int err;
|
|
|
|
if(flow == eRender)
|
|
pcm_stream = SND_PCM_STREAM_PLAYBACK;
|
|
else if(flow == eCapture)
|
|
pcm_stream = SND_PCM_STREAM_CAPTURE;
|
|
else
|
|
return E_UNEXPECTED;
|
|
|
|
err = snd_pcm_open(pcm_handle, alsa_name, pcm_stream, SND_PCM_NONBLOCK);
|
|
if(err < 0){
|
|
WARN("Unable to open PCM \"%s\": %d (%s)\n", alsa_name, err, snd_strerror(err));
|
|
switch(err){
|
|
case -EBUSY:
|
|
return AUDCLNT_E_DEVICE_IN_USE;
|
|
default:
|
|
return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
}
|
|
}
|
|
|
|
*hw_params = malloc(snd_pcm_hw_params_sizeof());
|
|
if(!*hw_params){
|
|
snd_pcm_close(*pcm_handle);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static snd_pcm_format_t alsa_format(const WAVEFORMATEX *fmt)
|
|
{
|
|
snd_pcm_format_t format = SND_PCM_FORMAT_UNKNOWN;
|
|
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
|
|
|
|
if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
|
|
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
|
|
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
|
|
if(fmt->wBitsPerSample == 8)
|
|
format = SND_PCM_FORMAT_U8;
|
|
else if(fmt->wBitsPerSample == 16)
|
|
format = SND_PCM_FORMAT_S16_LE;
|
|
else if(fmt->wBitsPerSample == 24)
|
|
format = SND_PCM_FORMAT_S24_3LE;
|
|
else if(fmt->wBitsPerSample == 32)
|
|
format = SND_PCM_FORMAT_S32_LE;
|
|
else
|
|
WARN("Unsupported bit depth: %u\n", fmt->wBitsPerSample);
|
|
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
|
|
fmt->wBitsPerSample != fmtex->Samples.wValidBitsPerSample){
|
|
if(fmtex->Samples.wValidBitsPerSample == 20 && fmt->wBitsPerSample == 24)
|
|
format = SND_PCM_FORMAT_S20_3LE;
|
|
else
|
|
WARN("Unsupported ValidBits: %u\n", fmtex->Samples.wValidBitsPerSample);
|
|
}
|
|
}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
|
|
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
|
|
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
|
|
if(fmt->wBitsPerSample == 32)
|
|
format = SND_PCM_FORMAT_FLOAT_LE;
|
|
else if(fmt->wBitsPerSample == 64)
|
|
format = SND_PCM_FORMAT_FLOAT64_LE;
|
|
else
|
|
WARN("Unsupported float size: %u\n", fmt->wBitsPerSample);
|
|
}else
|
|
WARN("Unknown wave format: %04x\n", fmt->wFormatTag);
|
|
return format;
|
|
}
|
|
|
|
static int alsa_channel_index(UINT flag)
|
|
{
|
|
switch(flag){
|
|
case SPEAKER_FRONT_LEFT:
|
|
return 0;
|
|
case SPEAKER_FRONT_RIGHT:
|
|
return 1;
|
|
case SPEAKER_BACK_LEFT:
|
|
return 2;
|
|
case SPEAKER_BACK_RIGHT:
|
|
return 3;
|
|
case SPEAKER_FRONT_CENTER:
|
|
return 4;
|
|
case SPEAKER_LOW_FREQUENCY:
|
|
return 5;
|
|
case SPEAKER_SIDE_LEFT:
|
|
return 6;
|
|
case SPEAKER_SIDE_RIGHT:
|
|
return 7;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static BOOL need_remapping(const WAVEFORMATEX *fmt, int *map)
|
|
{
|
|
unsigned int i;
|
|
for(i = 0; i < fmt->nChannels; ++i){
|
|
if(map[i] != i)
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static DWORD get_channel_mask(unsigned int channels)
|
|
{
|
|
switch(channels){
|
|
case 0:
|
|
return 0;
|
|
case 1:
|
|
return KSAUDIO_SPEAKER_MONO;
|
|
case 2:
|
|
return KSAUDIO_SPEAKER_STEREO;
|
|
case 3:
|
|
return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
|
|
case 4:
|
|
return KSAUDIO_SPEAKER_QUAD; /* not _SURROUND */
|
|
case 5:
|
|
return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
|
|
case 6:
|
|
return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
|
|
case 7:
|
|
return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
|
|
case 8:
|
|
return KSAUDIO_SPEAKER_7POINT1_SURROUND; /* Vista deprecates 7POINT1 */
|
|
}
|
|
FIXME("Unknown speaker configuration: %u\n", channels);
|
|
return 0;
|
|
}
|
|
|
|
static HRESULT map_channels(EDataFlow flow, const WAVEFORMATEX *fmt, int *alsa_channels, int *map)
|
|
{
|
|
BOOL need_remap;
|
|
|
|
if(flow != eCapture && (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE || fmt->nChannels > 2) ){
|
|
WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
|
|
UINT mask, flag = SPEAKER_FRONT_LEFT;
|
|
UINT i = 0;
|
|
|
|
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
|
|
fmtex->dwChannelMask != 0)
|
|
mask = fmtex->dwChannelMask;
|
|
else
|
|
mask = get_channel_mask(fmt->nChannels);
|
|
|
|
*alsa_channels = 0;
|
|
|
|
while(i < fmt->nChannels && !(flag & SPEAKER_RESERVED)){
|
|
if(mask & flag){
|
|
map[i] = alsa_channel_index(flag);
|
|
TRACE("Mapping mmdevapi channel %u (0x%x) to ALSA channel %d\n",
|
|
i, flag, map[i]);
|
|
if(map[i] >= *alsa_channels)
|
|
*alsa_channels = map[i] + 1;
|
|
++i;
|
|
}
|
|
flag <<= 1;
|
|
}
|
|
|
|
while(i < fmt->nChannels){
|
|
map[i] = *alsa_channels;
|
|
TRACE("Mapping mmdevapi channel %u to ALSA channel %d\n",
|
|
i, map[i]);
|
|
++*alsa_channels;
|
|
++i;
|
|
}
|
|
|
|
for(i = 0; i < fmt->nChannels; ++i){
|
|
if(map[i] == -1){
|
|
map[i] = *alsa_channels;
|
|
++*alsa_channels;
|
|
TRACE("Remapping mmdevapi channel %u to ALSA channel %d\n",
|
|
i, map[i]);
|
|
}
|
|
}
|
|
|
|
need_remap = need_remapping(fmt, map);
|
|
}else{
|
|
*alsa_channels = fmt->nChannels;
|
|
|
|
need_remap = FALSE;
|
|
}
|
|
|
|
TRACE("need_remapping: %u, alsa_channels: %d\n", need_remap, *alsa_channels);
|
|
|
|
return need_remap ? S_OK : S_FALSE;
|
|
}
|
|
|
|
static void silence_buffer(struct alsa_stream *stream, BYTE *buffer, UINT32 frames)
|
|
{
|
|
WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)stream->fmt;
|
|
if((stream->fmt->wFormatTag == WAVE_FORMAT_PCM ||
|
|
(stream->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
|
|
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) &&
|
|
stream->fmt->wBitsPerSample == 8)
|
|
memset(buffer, 128, frames * stream->fmt->nBlockAlign);
|
|
else
|
|
memset(buffer, 0, frames * stream->fmt->nBlockAlign);
|
|
}
|
|
|
|
static ULONG_PTR zero_bits(void)
|
|
{
|
|
#ifdef _WIN64
|
|
return !NtCurrentTeb()->WowTebOffset ? 0 : 0x7fffffff;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static NTSTATUS alsa_create_stream(void *args)
|
|
{
|
|
struct create_stream_params *params = args;
|
|
struct alsa_stream *stream;
|
|
snd_pcm_sw_params_t *sw_params = NULL;
|
|
snd_pcm_format_t format;
|
|
unsigned int rate, alsa_period_us, i;
|
|
WAVEFORMATEXTENSIBLE *fmtex;
|
|
int err;
|
|
SIZE_T size;
|
|
|
|
stream = calloc(1, sizeof(*stream));
|
|
if(!stream){
|
|
params->result = E_OUTOFMEMORY;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
params->result = alsa_open_device(params->device, params->flow, &stream->pcm_handle, &stream->hw_params);
|
|
if(FAILED(params->result)){
|
|
free(stream);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
stream->need_remapping = map_channels(params->flow, params->fmt, &stream->alsa_channels, stream->alsa_channel_map) == S_OK;
|
|
|
|
if((err = snd_pcm_hw_params_any(stream->pcm_handle, stream->hw_params)) < 0){
|
|
WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_set_access(stream->pcm_handle, stream->hw_params,
|
|
SND_PCM_ACCESS_RW_INTERLEAVED)) < 0){
|
|
WARN("Unable to set access: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
format = alsa_format(params->fmt);
|
|
if (format == SND_PCM_FORMAT_UNKNOWN){
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_set_format(stream->pcm_handle, stream->hw_params,
|
|
format)) < 0){
|
|
WARN("Unable to set ALSA format to %u: %d (%s)\n", format, err,
|
|
snd_strerror(err));
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
goto exit;
|
|
}
|
|
|
|
stream->alsa_format = format;
|
|
stream->flow = params->flow;
|
|
|
|
rate = params->fmt->nSamplesPerSec;
|
|
if((err = snd_pcm_hw_params_set_rate_near(stream->pcm_handle, stream->hw_params,
|
|
&rate, NULL)) < 0){
|
|
WARN("Unable to set rate to %u: %d (%s)\n", rate, err,
|
|
snd_strerror(err));
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_set_channels(stream->pcm_handle, stream->hw_params,
|
|
stream->alsa_channels)) < 0){
|
|
WARN("Unable to set channels to %u: %d (%s)\n", params->fmt->nChannels, err,
|
|
snd_strerror(err));
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
goto exit;
|
|
}
|
|
|
|
stream->mmdev_period_rt = params->period;
|
|
alsa_period_us = stream->mmdev_period_rt / 10;
|
|
if((err = snd_pcm_hw_params_set_period_time_near(stream->pcm_handle,
|
|
stream->hw_params, &alsa_period_us, NULL)) < 0)
|
|
WARN("Unable to set period time near %u: %d (%s)\n", alsa_period_us,
|
|
err, snd_strerror(err));
|
|
/* ALSA updates the output variable alsa_period_us */
|
|
|
|
stream->mmdev_period_frames = muldiv(params->fmt->nSamplesPerSec,
|
|
stream->mmdev_period_rt, 10000000);
|
|
|
|
/* Buffer 4 ALSA periods if large enough, else 4 mmdevapi periods */
|
|
stream->alsa_bufsize_frames = stream->mmdev_period_frames * 4;
|
|
if(err < 0 || alsa_period_us < params->period / 10)
|
|
err = snd_pcm_hw_params_set_buffer_size_near(stream->pcm_handle,
|
|
stream->hw_params, &stream->alsa_bufsize_frames);
|
|
else{
|
|
unsigned int periods = 4;
|
|
err = snd_pcm_hw_params_set_periods_near(stream->pcm_handle, stream->hw_params, &periods, NULL);
|
|
}
|
|
if(err < 0)
|
|
WARN("Unable to set buffer size: %d (%s)\n", err, snd_strerror(err));
|
|
|
|
if((err = snd_pcm_hw_params(stream->pcm_handle, stream->hw_params)) < 0){
|
|
WARN("Unable to set hw params: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_get_period_size(stream->hw_params,
|
|
&stream->alsa_period_frames, NULL)) < 0){
|
|
WARN("Unable to get period size: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_get_buffer_size(stream->hw_params,
|
|
&stream->alsa_bufsize_frames)) < 0){
|
|
WARN("Unable to get buffer size: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
sw_params = calloc(1, snd_pcm_sw_params_sizeof());
|
|
if(!sw_params){
|
|
params->result = E_OUTOFMEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_sw_params_current(stream->pcm_handle, sw_params)) < 0){
|
|
WARN("Unable to get sw_params: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_sw_params_set_start_threshold(stream->pcm_handle,
|
|
sw_params, 1)) < 0){
|
|
WARN("Unable set start threshold to 1: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_sw_params_set_stop_threshold(stream->pcm_handle,
|
|
sw_params, stream->alsa_bufsize_frames)) < 0){
|
|
WARN("Unable set stop threshold to %lu: %d (%s)\n",
|
|
stream->alsa_bufsize_frames, err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_sw_params(stream->pcm_handle, sw_params)) < 0){
|
|
WARN("Unable to set sw params: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_prepare(stream->pcm_handle)) < 0){
|
|
WARN("Unable to prepare device: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
|
|
goto exit;
|
|
}
|
|
|
|
/* Bear in mind weird situations where
|
|
* ALSA period (50ms) > mmdevapi buffer (3x10ms)
|
|
* or surprising rounding as seen with 22050x8x1 with Pulse:
|
|
* ALSA period 220 vs. 221 frames in mmdevapi and
|
|
* buffer 883 vs. 2205 frames in mmdevapi! */
|
|
stream->bufsize_frames = muldiv(params->duration, params->fmt->nSamplesPerSec, 10000000);
|
|
if(params->share == AUDCLNT_SHAREMODE_EXCLUSIVE)
|
|
stream->bufsize_frames -= stream->bufsize_frames % stream->mmdev_period_frames;
|
|
stream->hidden_frames = stream->alsa_period_frames + stream->mmdev_period_frames +
|
|
muldiv(params->fmt->nSamplesPerSec, EXTRA_SAFE_RT, 10000000);
|
|
/* leave no less than about 1.33ms or 256 bytes of data after a rewind */
|
|
stream->safe_rewind_frames = max(256 / params->fmt->nBlockAlign, muldiv(133, params->fmt->nSamplesPerSec, 100000));
|
|
|
|
/* Check if the ALSA buffer is so small that it will run out before
|
|
* the next MMDevAPI period tick occurs. Allow a little wiggle room
|
|
* with 120% of the period time. */
|
|
if(stream->alsa_bufsize_frames < 1.2 * stream->mmdev_period_frames)
|
|
FIXME("ALSA buffer time is too small. Expect underruns. (%lu < %u * 1.2)\n",
|
|
stream->alsa_bufsize_frames, stream->mmdev_period_frames);
|
|
|
|
fmtex = clone_format(params->fmt);
|
|
if(!fmtex){
|
|
params->result = E_OUTOFMEMORY;
|
|
goto exit;
|
|
}
|
|
stream->fmt = &fmtex->Format;
|
|
|
|
size = stream->bufsize_frames * params->fmt->nBlockAlign;
|
|
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, zero_bits(), &size,
|
|
MEM_COMMIT, PAGE_READWRITE)){
|
|
params->result = E_OUTOFMEMORY;
|
|
goto exit;
|
|
}
|
|
silence_buffer(stream, stream->local_buffer, stream->bufsize_frames);
|
|
|
|
stream->silence_buf = malloc(stream->alsa_period_frames * stream->fmt->nBlockAlign);
|
|
if(!stream->silence_buf){
|
|
params->result = E_OUTOFMEMORY;
|
|
goto exit;
|
|
}
|
|
silence_buffer(stream, stream->silence_buf, stream->alsa_period_frames);
|
|
|
|
stream->vols = malloc(params->fmt->nChannels * sizeof(float));
|
|
if(!stream->vols){
|
|
params->result = E_OUTOFMEMORY;
|
|
goto exit;
|
|
}
|
|
for(i = 0; i < params->fmt->nChannels; ++i)
|
|
stream->vols[i] = 1.f;
|
|
|
|
stream->share = params->share;
|
|
stream->flags = params->flags;
|
|
|
|
pthread_mutex_init(&stream->lock, NULL);
|
|
|
|
TRACE("ALSA period: %lu frames\n", stream->alsa_period_frames);
|
|
TRACE("ALSA buffer: %lu frames\n", stream->alsa_bufsize_frames);
|
|
TRACE("MMDevice period: %u frames\n", stream->mmdev_period_frames);
|
|
TRACE("MMDevice buffer: %u frames\n", stream->bufsize_frames);
|
|
|
|
exit:
|
|
free(sw_params);
|
|
if(FAILED(params->result)){
|
|
snd_pcm_close(stream->pcm_handle);
|
|
if(stream->local_buffer){
|
|
size = 0;
|
|
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, &size, MEM_RELEASE);
|
|
}
|
|
free(stream->silence_buf);
|
|
free(stream->hw_params);
|
|
free(stream->fmt);
|
|
free(stream->vols);
|
|
free(stream);
|
|
}else{
|
|
*params->stream = (stream_handle)(UINT_PTR)stream;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_release_stream(void *args)
|
|
{
|
|
struct release_stream_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
SIZE_T size;
|
|
|
|
if(params->timer_thread){
|
|
stream->please_quit = TRUE;
|
|
NtWaitForSingleObject(params->timer_thread, FALSE, NULL);
|
|
NtClose(params->timer_thread);
|
|
}
|
|
|
|
snd_pcm_drop(stream->pcm_handle);
|
|
snd_pcm_close(stream->pcm_handle);
|
|
if(stream->local_buffer){
|
|
size = 0;
|
|
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->local_buffer, &size, MEM_RELEASE);
|
|
}
|
|
if(stream->tmp_buffer){
|
|
size = 0;
|
|
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
|
|
}
|
|
free(stream->remapping_buf);
|
|
free(stream->silence_buf);
|
|
free(stream->hw_params);
|
|
free(stream->fmt);
|
|
free(stream->vols);
|
|
pthread_mutex_destroy(&stream->lock);
|
|
free(stream);
|
|
|
|
params->result = S_OK;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static BYTE *remap_channels(struct alsa_stream *stream, BYTE *buf, snd_pcm_uframes_t frames)
|
|
{
|
|
snd_pcm_uframes_t i;
|
|
UINT c;
|
|
UINT bytes_per_sample = stream->fmt->wBitsPerSample / 8;
|
|
|
|
if(!stream->need_remapping)
|
|
return buf;
|
|
|
|
if(stream->remapping_buf_frames < frames){
|
|
stream->remapping_buf = realloc(stream->remapping_buf,
|
|
bytes_per_sample * stream->alsa_channels * frames);
|
|
stream->remapping_buf_frames = frames;
|
|
}
|
|
|
|
snd_pcm_format_set_silence(stream->alsa_format, stream->remapping_buf,
|
|
frames * stream->alsa_channels);
|
|
|
|
switch(stream->fmt->wBitsPerSample){
|
|
case 8: {
|
|
UINT8 *tgt_buf, *src_buf;
|
|
tgt_buf = stream->remapping_buf;
|
|
src_buf = buf;
|
|
for(i = 0; i < frames; ++i){
|
|
for(c = 0; c < stream->fmt->nChannels; ++c)
|
|
tgt_buf[stream->alsa_channel_map[c]] = src_buf[c];
|
|
tgt_buf += stream->alsa_channels;
|
|
src_buf += stream->fmt->nChannels;
|
|
}
|
|
break;
|
|
}
|
|
case 16: {
|
|
UINT16 *tgt_buf, *src_buf;
|
|
tgt_buf = (UINT16*)stream->remapping_buf;
|
|
src_buf = (UINT16*)buf;
|
|
for(i = 0; i < frames; ++i){
|
|
for(c = 0; c < stream->fmt->nChannels; ++c)
|
|
tgt_buf[stream->alsa_channel_map[c]] = src_buf[c];
|
|
tgt_buf += stream->alsa_channels;
|
|
src_buf += stream->fmt->nChannels;
|
|
}
|
|
}
|
|
break;
|
|
case 32: {
|
|
UINT32 *tgt_buf, *src_buf;
|
|
tgt_buf = (UINT32*)stream->remapping_buf;
|
|
src_buf = (UINT32*)buf;
|
|
for(i = 0; i < frames; ++i){
|
|
for(c = 0; c < stream->fmt->nChannels; ++c)
|
|
tgt_buf[stream->alsa_channel_map[c]] = src_buf[c];
|
|
tgt_buf += stream->alsa_channels;
|
|
src_buf += stream->fmt->nChannels;
|
|
}
|
|
}
|
|
break;
|
|
default: {
|
|
BYTE *tgt_buf, *src_buf;
|
|
tgt_buf = stream->remapping_buf;
|
|
src_buf = buf;
|
|
for(i = 0; i < frames; ++i){
|
|
for(c = 0; c < stream->fmt->nChannels; ++c)
|
|
memcpy(&tgt_buf[stream->alsa_channel_map[c] * bytes_per_sample],
|
|
&src_buf[c * bytes_per_sample], bytes_per_sample);
|
|
tgt_buf += stream->alsa_channels * bytes_per_sample;
|
|
src_buf += stream->fmt->nChannels * bytes_per_sample;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return stream->remapping_buf;
|
|
}
|
|
|
|
static void adjust_buffer_volume(const struct alsa_stream *stream, BYTE *buf, snd_pcm_uframes_t frames)
|
|
{
|
|
BOOL adjust = FALSE;
|
|
UINT32 i, channels, mute = 0;
|
|
BYTE *end;
|
|
|
|
if (stream->vol_adjusted_frames >= frames)
|
|
return;
|
|
channels = stream->fmt->nChannels;
|
|
|
|
/* Adjust the buffer based on the volume for each channel */
|
|
for (i = 0; i < channels; i++)
|
|
{
|
|
adjust |= stream->vols[i] != 1.0f;
|
|
if (stream->vols[i] == 0.0f)
|
|
mute++;
|
|
}
|
|
|
|
if (mute == channels)
|
|
{
|
|
int err = snd_pcm_format_set_silence(stream->alsa_format, buf, frames * channels);
|
|
if (err < 0)
|
|
WARN("Setting buffer to silence failed: %d (%s)\n", err, snd_strerror(err));
|
|
return;
|
|
}
|
|
if (!adjust) return;
|
|
|
|
/* Skip the frames we've already adjusted before */
|
|
end = buf + frames * stream->fmt->nBlockAlign;
|
|
buf += stream->vol_adjusted_frames * stream->fmt->nBlockAlign;
|
|
|
|
switch (stream->alsa_format)
|
|
{
|
|
#ifndef WORDS_BIGENDIAN
|
|
#define PROCESS_BUFFER(type) do \
|
|
{ \
|
|
type *p = (type*)buf; \
|
|
do \
|
|
{ \
|
|
for (i = 0; i < channels; i++) \
|
|
p[i] = p[i] * stream->vols[i]; \
|
|
p += i; \
|
|
} while ((BYTE*)p != end); \
|
|
} while (0)
|
|
case SND_PCM_FORMAT_S16_LE:
|
|
PROCESS_BUFFER(INT16);
|
|
break;
|
|
case SND_PCM_FORMAT_S32_LE:
|
|
PROCESS_BUFFER(INT32);
|
|
break;
|
|
case SND_PCM_FORMAT_FLOAT_LE:
|
|
PROCESS_BUFFER(float);
|
|
break;
|
|
case SND_PCM_FORMAT_FLOAT64_LE:
|
|
PROCESS_BUFFER(double);
|
|
break;
|
|
#undef PROCESS_BUFFER
|
|
case SND_PCM_FORMAT_S20_3LE:
|
|
case SND_PCM_FORMAT_S24_3LE:
|
|
{
|
|
/* Do it 12 bytes at a time until it is no longer possible */
|
|
UINT32 *q = (UINT32*)buf, mask = ~0xff;
|
|
BYTE *p;
|
|
|
|
/* After we adjust the volume, we need to mask out low bits */
|
|
if (stream->alsa_format == SND_PCM_FORMAT_S20_3LE)
|
|
mask = ~0x0fff;
|
|
|
|
i = 0;
|
|
while (end - (BYTE*)q >= 12)
|
|
{
|
|
UINT32 v[4], k;
|
|
v[0] = q[0] << 8;
|
|
v[1] = q[1] << 16 | (q[0] >> 16 & ~0xff);
|
|
v[2] = q[2] << 24 | (q[1] >> 8 & ~0xff);
|
|
v[3] = q[2] & ~0xff;
|
|
for (k = 0; k < 4; k++)
|
|
{
|
|
v[k] = (INT32)((INT32)v[k] * stream->vols[i]);
|
|
v[k] &= mask;
|
|
if (++i == channels) i = 0;
|
|
}
|
|
*q++ = v[0] >> 8 | v[1] << 16;
|
|
*q++ = v[1] >> 16 | v[2] << 8;
|
|
*q++ = v[2] >> 24 | v[3];
|
|
}
|
|
p = (BYTE*)q;
|
|
while (p != end)
|
|
{
|
|
UINT32 v = (INT32)((INT32)(p[0] << 8 | p[1] << 16 | p[2] << 24) * stream->vols[i]);
|
|
v &= mask;
|
|
*p++ = v >> 8 & 0xff;
|
|
*p++ = v >> 16 & 0xff;
|
|
*p++ = v >> 24;
|
|
if (++i == channels) i = 0;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
case SND_PCM_FORMAT_U8:
|
|
{
|
|
UINT8 *p = (UINT8*)buf;
|
|
do
|
|
{
|
|
for (i = 0; i < channels; i++)
|
|
p[i] = (int)((p[i] - 128) * stream->vols[i]) + 128;
|
|
p += i;
|
|
} while ((BYTE*)p != end);
|
|
break;
|
|
}
|
|
default:
|
|
TRACE("Unhandled format %i, not adjusting volume.\n", stream->alsa_format);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static snd_pcm_sframes_t alsa_write_best_effort(struct alsa_stream *stream, BYTE *buf, snd_pcm_uframes_t frames)
|
|
{
|
|
snd_pcm_sframes_t written;
|
|
|
|
adjust_buffer_volume(stream, buf, frames);
|
|
|
|
/* Mark the frames we've already adjusted */
|
|
if (stream->vol_adjusted_frames < frames)
|
|
stream->vol_adjusted_frames = frames;
|
|
|
|
buf = remap_channels(stream, buf, frames);
|
|
|
|
written = snd_pcm_writei(stream->pcm_handle, buf, frames);
|
|
if(written < 0){
|
|
int ret;
|
|
|
|
if(written == -EAGAIN)
|
|
/* buffer full */
|
|
return 0;
|
|
|
|
WARN("writei failed, recovering: %ld (%s)\n", written,
|
|
snd_strerror(written));
|
|
|
|
ret = snd_pcm_recover(stream->pcm_handle, written, 0);
|
|
if(ret < 0){
|
|
WARN("Could not recover: %d (%s)\n", ret, snd_strerror(ret));
|
|
return ret;
|
|
}
|
|
|
|
written = snd_pcm_writei(stream->pcm_handle, buf, frames);
|
|
}
|
|
|
|
if (written > 0)
|
|
stream->vol_adjusted_frames -= written;
|
|
return written;
|
|
}
|
|
|
|
static snd_pcm_sframes_t alsa_write_buffer_wrap(struct alsa_stream *stream, BYTE *buf,
|
|
snd_pcm_uframes_t buflen, snd_pcm_uframes_t offs,
|
|
snd_pcm_uframes_t to_write)
|
|
{
|
|
snd_pcm_sframes_t ret = 0;
|
|
|
|
while(to_write){
|
|
snd_pcm_uframes_t chunk;
|
|
snd_pcm_sframes_t tmp;
|
|
|
|
if(offs + to_write > buflen)
|
|
chunk = buflen - offs;
|
|
else
|
|
chunk = to_write;
|
|
|
|
tmp = alsa_write_best_effort(stream, buf + offs * stream->fmt->nBlockAlign, chunk);
|
|
if(tmp < 0)
|
|
return ret;
|
|
if(!tmp)
|
|
break;
|
|
|
|
ret += tmp;
|
|
to_write -= tmp;
|
|
offs += tmp;
|
|
offs %= buflen;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static UINT buf_ptr_diff(UINT left, UINT right, UINT bufsize)
|
|
{
|
|
if(left <= right)
|
|
return right - left;
|
|
return bufsize - (left - right);
|
|
}
|
|
|
|
static UINT data_not_in_alsa(struct alsa_stream *stream)
|
|
{
|
|
UINT32 diff;
|
|
|
|
diff = buf_ptr_diff(stream->lcl_offs_frames, stream->wri_offs_frames, stream->bufsize_frames);
|
|
if(diff)
|
|
return diff;
|
|
|
|
return stream->held_frames - stream->data_in_alsa_frames;
|
|
}
|
|
|
|
/* Here's the buffer setup:
|
|
*
|
|
* vvvvvvvv sent to HW already
|
|
* vvvvvvvv in ALSA buffer but rewindable
|
|
* [dddddddddddddddd] ALSA buffer
|
|
* [dddddddddddddddd--------] mmdevapi buffer
|
|
* ^^^^^^^^ data_in_alsa_frames
|
|
* ^^^^^^^^^^^^^^^^ held_frames
|
|
* ^ lcl_offs_frames
|
|
* ^ wri_offs_frames
|
|
*
|
|
* GetCurrentPadding is held_frames
|
|
*
|
|
* During period callback, we decrement held_frames, fill ALSA buffer, and move
|
|
* lcl_offs forward
|
|
*
|
|
* During Stop, we rewind the ALSA buffer
|
|
*/
|
|
static void alsa_write_data(struct alsa_stream *stream)
|
|
{
|
|
snd_pcm_sframes_t written;
|
|
snd_pcm_uframes_t avail, max_copy_frames, data_frames_played;
|
|
int err;
|
|
|
|
/* this call seems to be required to get an accurate snd_pcm_state() */
|
|
avail = snd_pcm_avail_update(stream->pcm_handle);
|
|
|
|
if(snd_pcm_state(stream->pcm_handle) == SND_PCM_STATE_XRUN){
|
|
TRACE("XRun state, recovering\n");
|
|
|
|
avail = stream->alsa_bufsize_frames;
|
|
|
|
if((err = snd_pcm_recover(stream->pcm_handle, -EPIPE, 1)) < 0)
|
|
WARN("snd_pcm_recover failed: %d (%s)\n", err, snd_strerror(err));
|
|
|
|
if((err = snd_pcm_reset(stream->pcm_handle)) < 0)
|
|
WARN("snd_pcm_reset failed: %d (%s)\n", err, snd_strerror(err));
|
|
|
|
if((err = snd_pcm_prepare(stream->pcm_handle)) < 0)
|
|
WARN("snd_pcm_prepare failed: %d (%s)\n", err, snd_strerror(err));
|
|
}
|
|
|
|
TRACE("avail: %ld\n", avail);
|
|
|
|
/* Add a lead-in when starting with too few frames to ensure
|
|
* continuous rendering. Additional benefit: Force ALSA to start. */
|
|
if(stream->data_in_alsa_frames == 0 && stream->held_frames < stream->alsa_period_frames)
|
|
{
|
|
alsa_write_best_effort(stream, stream->silence_buf,
|
|
stream->alsa_period_frames - stream->held_frames);
|
|
stream->vol_adjusted_frames = 0;
|
|
}
|
|
|
|
if(stream->started)
|
|
max_copy_frames = data_not_in_alsa(stream);
|
|
else
|
|
max_copy_frames = 0;
|
|
|
|
data_frames_played = min(stream->data_in_alsa_frames, avail);
|
|
stream->data_in_alsa_frames -= data_frames_played;
|
|
|
|
if(stream->held_frames > data_frames_played){
|
|
if(stream->started)
|
|
stream->held_frames -= data_frames_played;
|
|
}else
|
|
stream->held_frames = 0;
|
|
|
|
while(avail && max_copy_frames){
|
|
snd_pcm_uframes_t to_write;
|
|
|
|
to_write = min(avail, max_copy_frames);
|
|
|
|
written = alsa_write_buffer_wrap(stream, stream->local_buffer,
|
|
stream->bufsize_frames, stream->lcl_offs_frames, to_write);
|
|
if(written <= 0)
|
|
break;
|
|
|
|
avail -= written;
|
|
stream->lcl_offs_frames += written;
|
|
stream->lcl_offs_frames %= stream->bufsize_frames;
|
|
stream->data_in_alsa_frames += written;
|
|
max_copy_frames -= written;
|
|
}
|
|
|
|
if(stream->event)
|
|
NtSetEvent(stream->event, NULL);
|
|
}
|
|
|
|
static void alsa_read_data(struct alsa_stream *stream)
|
|
{
|
|
snd_pcm_sframes_t nread;
|
|
UINT32 pos = stream->wri_offs_frames, limit = stream->held_frames;
|
|
unsigned int i;
|
|
|
|
if(!stream->started)
|
|
goto exit;
|
|
|
|
/* FIXME: Detect overrun and signal DATA_DISCONTINUITY
|
|
* How to count overrun frames and report them as position increase? */
|
|
limit = stream->bufsize_frames - max(limit, pos);
|
|
|
|
nread = snd_pcm_readi(stream->pcm_handle,
|
|
stream->local_buffer + pos * stream->fmt->nBlockAlign, limit);
|
|
TRACE("read %ld from %u limit %u\n", nread, pos, limit);
|
|
if(nread < 0){
|
|
int ret;
|
|
|
|
if(nread == -EAGAIN) /* no data yet */
|
|
return;
|
|
|
|
WARN("read failed, recovering: %ld (%s)\n", nread, snd_strerror(nread));
|
|
|
|
ret = snd_pcm_recover(stream->pcm_handle, nread, 0);
|
|
if(ret < 0){
|
|
WARN("Recover failed: %d (%s)\n", ret, snd_strerror(ret));
|
|
return;
|
|
}
|
|
|
|
nread = snd_pcm_readi(stream->pcm_handle,
|
|
stream->local_buffer + pos * stream->fmt->nBlockAlign, limit);
|
|
if(nread < 0){
|
|
WARN("read failed: %ld (%s)\n", nread, snd_strerror(nread));
|
|
return;
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < stream->fmt->nChannels; i++)
|
|
if(stream->vols[i] != 0.0f)
|
|
break;
|
|
if(i == stream->fmt->nChannels){ /* mute */
|
|
int err;
|
|
if((err = snd_pcm_format_set_silence(stream->alsa_format,
|
|
stream->local_buffer + pos * stream->fmt->nBlockAlign,
|
|
nread)) < 0)
|
|
WARN("Setting buffer to silence failed: %d (%s)\n", err,
|
|
snd_strerror(err));
|
|
}
|
|
|
|
stream->wri_offs_frames += nread;
|
|
stream->wri_offs_frames %= stream->bufsize_frames;
|
|
stream->held_frames += nread;
|
|
|
|
exit:
|
|
if(stream->event)
|
|
NtSetEvent(stream->event, NULL);
|
|
}
|
|
|
|
static snd_pcm_uframes_t interp_elapsed_frames(struct alsa_stream *stream)
|
|
{
|
|
LARGE_INTEGER time_freq, current_time, time_diff;
|
|
|
|
NtQueryPerformanceCounter(¤t_time, &time_freq);
|
|
time_diff.QuadPart = current_time.QuadPart - stream->last_period_time.QuadPart;
|
|
return muldiv(time_diff.QuadPart, stream->fmt->nSamplesPerSec, time_freq.QuadPart);
|
|
}
|
|
|
|
static int alsa_rewind_best_effort(struct alsa_stream *stream)
|
|
{
|
|
snd_pcm_uframes_t len, leave;
|
|
|
|
/* we can't use snd_pcm_rewindable, some PCM devices crash. so follow
|
|
* PulseAudio's example and rewind as much data as we believe is in the
|
|
* buffer, minus 1.33ms for safety. */
|
|
|
|
/* amount of data to leave in ALSA buffer */
|
|
leave = interp_elapsed_frames(stream) + stream->safe_rewind_frames;
|
|
|
|
if(stream->held_frames < leave)
|
|
stream->held_frames = 0;
|
|
else
|
|
stream->held_frames -= leave;
|
|
|
|
if(stream->data_in_alsa_frames < leave)
|
|
len = 0;
|
|
else
|
|
len = stream->data_in_alsa_frames - leave;
|
|
|
|
TRACE("rewinding %lu frames, now held %u\n", len, stream->held_frames);
|
|
|
|
if(len)
|
|
/* snd_pcm_rewind return value is often broken, assume it succeeded */
|
|
snd_pcm_rewind(stream->pcm_handle, len);
|
|
|
|
stream->data_in_alsa_frames = 0;
|
|
|
|
return len;
|
|
}
|
|
|
|
static NTSTATUS alsa_start(void *args)
|
|
{
|
|
struct start_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
if((stream->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !stream->event)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_EVENTHANDLE_NOT_SET);
|
|
|
|
if(stream->started)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_NOT_STOPPED);
|
|
|
|
if(stream->flow == eCapture){
|
|
/* dump any data that might be leftover in the ALSA capture buffer */
|
|
snd_pcm_readi(stream->pcm_handle, stream->local_buffer,
|
|
stream->bufsize_frames);
|
|
}else{
|
|
snd_pcm_sframes_t avail, written;
|
|
snd_pcm_uframes_t offs;
|
|
|
|
avail = snd_pcm_avail_update(stream->pcm_handle);
|
|
avail = min(avail, stream->held_frames);
|
|
|
|
if(stream->wri_offs_frames < stream->held_frames)
|
|
offs = stream->bufsize_frames - stream->held_frames + stream->wri_offs_frames;
|
|
else
|
|
offs = stream->wri_offs_frames - stream->held_frames;
|
|
|
|
/* fill it with data */
|
|
written = alsa_write_buffer_wrap(stream, stream->local_buffer,
|
|
stream->bufsize_frames, offs, avail);
|
|
|
|
if(written > 0){
|
|
stream->lcl_offs_frames = (offs + written) % stream->bufsize_frames;
|
|
stream->data_in_alsa_frames = written;
|
|
}else{
|
|
stream->lcl_offs_frames = offs;
|
|
stream->data_in_alsa_frames = 0;
|
|
}
|
|
}
|
|
stream->started = TRUE;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_stop(void *args)
|
|
{
|
|
struct stop_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(!stream->started)
|
|
return alsa_unlock_result(stream, ¶ms->result, S_FALSE);
|
|
|
|
if(stream->flow == eRender)
|
|
alsa_rewind_best_effort(stream);
|
|
|
|
stream->started = FALSE;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_reset(void *args)
|
|
{
|
|
struct reset_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(stream->started)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_NOT_STOPPED);
|
|
|
|
if(stream->getbuf_last)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_BUFFER_OPERATION_PENDING);
|
|
|
|
if(snd_pcm_drop(stream->pcm_handle) < 0)
|
|
WARN("snd_pcm_drop failed\n");
|
|
|
|
if(snd_pcm_reset(stream->pcm_handle) < 0)
|
|
WARN("snd_pcm_reset failed\n");
|
|
|
|
if(snd_pcm_prepare(stream->pcm_handle) < 0)
|
|
WARN("snd_pcm_prepare failed\n");
|
|
|
|
if(stream->flow == eRender){
|
|
stream->written_frames = 0;
|
|
stream->last_pos_frames = 0;
|
|
}else{
|
|
stream->written_frames += stream->held_frames;
|
|
}
|
|
stream->held_frames = 0;
|
|
stream->lcl_offs_frames = 0;
|
|
stream->wri_offs_frames = 0;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_timer_loop(void *args)
|
|
{
|
|
struct timer_loop_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
LARGE_INTEGER delay, next;
|
|
int adjust;
|
|
|
|
alsa_lock(stream);
|
|
|
|
delay.QuadPart = -stream->mmdev_period_rt;
|
|
NtQueryPerformanceCounter(&stream->last_period_time, NULL);
|
|
next.QuadPart = stream->last_period_time.QuadPart + stream->mmdev_period_rt;
|
|
|
|
while(!stream->please_quit){
|
|
if(stream->flow == eRender)
|
|
alsa_write_data(stream);
|
|
else if(stream->flow == eCapture)
|
|
alsa_read_data(stream);
|
|
alsa_unlock(stream);
|
|
|
|
NtDelayExecution(FALSE, &delay);
|
|
|
|
alsa_lock(stream);
|
|
NtQueryPerformanceCounter(&stream->last_period_time, NULL);
|
|
adjust = next.QuadPart - stream->last_period_time.QuadPart;
|
|
if(adjust > stream->mmdev_period_rt / 2)
|
|
adjust = stream->mmdev_period_rt / 2;
|
|
else if(adjust < -stream->mmdev_period_rt / 2)
|
|
adjust = -stream->mmdev_period_rt / 2;
|
|
delay.QuadPart = -(stream->mmdev_period_rt + adjust);
|
|
next.QuadPart += stream->mmdev_period_rt;
|
|
}
|
|
|
|
alsa_unlock(stream);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_get_render_buffer(void *args)
|
|
{
|
|
struct get_render_buffer_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
UINT32 write_pos, frames = params->frames;
|
|
SIZE_T size;
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(stream->getbuf_last)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_OUT_OF_ORDER);
|
|
|
|
if(!frames)
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
|
|
/* held_frames == GetCurrentPadding_nolock(); */
|
|
if(stream->held_frames + frames > stream->bufsize_frames)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_BUFFER_TOO_LARGE);
|
|
|
|
write_pos = stream->wri_offs_frames;
|
|
if(write_pos + frames > stream->bufsize_frames){
|
|
if(stream->tmp_buffer_frames < frames){
|
|
if(stream->tmp_buffer){
|
|
size = 0;
|
|
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
|
|
stream->tmp_buffer = NULL;
|
|
}
|
|
size = frames * stream->fmt->nBlockAlign;
|
|
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits(), &size,
|
|
MEM_COMMIT, PAGE_READWRITE)){
|
|
stream->tmp_buffer_frames = 0;
|
|
return alsa_unlock_result(stream, ¶ms->result, E_OUTOFMEMORY);
|
|
}
|
|
stream->tmp_buffer_frames = frames;
|
|
}
|
|
*params->data = stream->tmp_buffer;
|
|
stream->getbuf_last = -frames;
|
|
}else{
|
|
*params->data = stream->local_buffer + write_pos * stream->fmt->nBlockAlign;
|
|
stream->getbuf_last = frames;
|
|
}
|
|
|
|
silence_buffer(stream, *params->data, frames);
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static void alsa_wrap_buffer(struct alsa_stream *stream, BYTE *buffer, UINT32 written_frames)
|
|
{
|
|
snd_pcm_uframes_t write_offs_frames = stream->wri_offs_frames;
|
|
UINT32 write_offs_bytes = write_offs_frames * stream->fmt->nBlockAlign;
|
|
snd_pcm_uframes_t chunk_frames = stream->bufsize_frames - write_offs_frames;
|
|
UINT32 chunk_bytes = chunk_frames * stream->fmt->nBlockAlign;
|
|
UINT32 written_bytes = written_frames * stream->fmt->nBlockAlign;
|
|
|
|
if(written_bytes <= chunk_bytes){
|
|
memcpy(stream->local_buffer + write_offs_bytes, buffer, written_bytes);
|
|
}else{
|
|
memcpy(stream->local_buffer + write_offs_bytes, buffer, chunk_bytes);
|
|
memcpy(stream->local_buffer, buffer + chunk_bytes,
|
|
written_bytes - chunk_bytes);
|
|
}
|
|
}
|
|
|
|
static NTSTATUS alsa_release_render_buffer(void *args)
|
|
{
|
|
struct release_render_buffer_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
UINT32 written_frames = params->written_frames;
|
|
BYTE *buffer;
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(!written_frames){
|
|
stream->getbuf_last = 0;
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
if(!stream->getbuf_last)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_OUT_OF_ORDER);
|
|
|
|
if(written_frames > (stream->getbuf_last >= 0 ? stream->getbuf_last : -stream->getbuf_last))
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_INVALID_SIZE);
|
|
|
|
if(stream->getbuf_last >= 0)
|
|
buffer = stream->local_buffer + stream->wri_offs_frames * stream->fmt->nBlockAlign;
|
|
else
|
|
buffer = stream->tmp_buffer;
|
|
|
|
if(params->flags & AUDCLNT_BUFFERFLAGS_SILENT)
|
|
silence_buffer(stream, buffer, written_frames);
|
|
|
|
if(stream->getbuf_last < 0)
|
|
alsa_wrap_buffer(stream, buffer, written_frames);
|
|
|
|
stream->wri_offs_frames += written_frames;
|
|
stream->wri_offs_frames %= stream->bufsize_frames;
|
|
stream->held_frames += written_frames;
|
|
stream->written_frames += written_frames;
|
|
stream->getbuf_last = 0;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_get_capture_buffer(void *args)
|
|
{
|
|
struct get_capture_buffer_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
UINT32 *frames = params->frames;
|
|
SIZE_T size;
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(stream->getbuf_last)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_OUT_OF_ORDER);
|
|
|
|
if(stream->held_frames < stream->mmdev_period_frames){
|
|
*frames = 0;
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_S_BUFFER_EMPTY);
|
|
}
|
|
*frames = stream->mmdev_period_frames;
|
|
|
|
if(stream->lcl_offs_frames + *frames > stream->bufsize_frames){
|
|
UINT32 chunk_bytes, offs_bytes, frames_bytes;
|
|
if(stream->tmp_buffer_frames < *frames){
|
|
if(stream->tmp_buffer){
|
|
size = 0;
|
|
NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
|
|
stream->tmp_buffer = NULL;
|
|
}
|
|
size = *frames * stream->fmt->nBlockAlign;
|
|
if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, zero_bits(), &size,
|
|
MEM_COMMIT, PAGE_READWRITE)){
|
|
stream->tmp_buffer_frames = 0;
|
|
return alsa_unlock_result(stream, ¶ms->result, E_OUTOFMEMORY);
|
|
}
|
|
stream->tmp_buffer_frames = *frames;
|
|
}
|
|
|
|
*params->data = stream->tmp_buffer;
|
|
chunk_bytes = (stream->bufsize_frames - stream->lcl_offs_frames) *
|
|
stream->fmt->nBlockAlign;
|
|
offs_bytes = stream->lcl_offs_frames * stream->fmt->nBlockAlign;
|
|
frames_bytes = *frames * stream->fmt->nBlockAlign;
|
|
memcpy(stream->tmp_buffer, stream->local_buffer + offs_bytes, chunk_bytes);
|
|
memcpy(stream->tmp_buffer + chunk_bytes, stream->local_buffer,
|
|
frames_bytes - chunk_bytes);
|
|
}else
|
|
*params->data = stream->local_buffer +
|
|
stream->lcl_offs_frames * stream->fmt->nBlockAlign;
|
|
|
|
stream->getbuf_last = *frames;
|
|
*params->flags = 0;
|
|
|
|
if(params->devpos)
|
|
*params->devpos = stream->written_frames;
|
|
if(params->qpcpos){ /* fixme: qpc of recording time */
|
|
LARGE_INTEGER stamp, freq;
|
|
NtQueryPerformanceCounter(&stamp, &freq);
|
|
*params->qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
|
|
}
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY);
|
|
}
|
|
|
|
static NTSTATUS alsa_release_capture_buffer(void *args)
|
|
{
|
|
struct release_capture_buffer_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
UINT32 done = params->done;
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(!done){
|
|
stream->getbuf_last = 0;
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
if(!stream->getbuf_last)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_OUT_OF_ORDER);
|
|
|
|
if(stream->getbuf_last != done)
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_INVALID_SIZE);
|
|
|
|
stream->written_frames += done;
|
|
stream->held_frames -= done;
|
|
stream->lcl_offs_frames += done;
|
|
stream->lcl_offs_frames %= stream->bufsize_frames;
|
|
stream->getbuf_last = 0;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_is_format_supported(void *args)
|
|
{
|
|
struct is_format_supported_params *params = args;
|
|
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)params->fmt_in;
|
|
snd_pcm_t *pcm_handle;
|
|
snd_pcm_hw_params_t *hw_params;
|
|
snd_pcm_format_mask_t *formats = NULL;
|
|
snd_pcm_format_t format;
|
|
WAVEFORMATEXTENSIBLE *closest = NULL;
|
|
unsigned int max = 0, min = 0;
|
|
int err;
|
|
int alsa_channels, alsa_channel_map[32];
|
|
|
|
params->result = S_OK;
|
|
|
|
if(!params->fmt_in || (params->share == AUDCLNT_SHAREMODE_SHARED && !params->fmt_out))
|
|
params->result = E_POINTER;
|
|
else if(params->share != AUDCLNT_SHAREMODE_SHARED && params->share != AUDCLNT_SHAREMODE_EXCLUSIVE)
|
|
params->result = E_INVALIDARG;
|
|
else if(params->fmt_in->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
|
|
if(params->fmt_in->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
|
|
params->result = E_INVALIDARG;
|
|
else if(params->fmt_in->nAvgBytesPerSec == 0 || params->fmt_in->nBlockAlign == 0 ||
|
|
(fmtex->Samples.wValidBitsPerSample > params->fmt_in->wBitsPerSample))
|
|
params->result = E_INVALIDARG;
|
|
}
|
|
if(FAILED(params->result))
|
|
return STATUS_SUCCESS;
|
|
|
|
if(params->fmt_in->nChannels == 0){
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
params->result = alsa_open_device(params->device, params->flow, &pcm_handle, &hw_params);
|
|
if(FAILED(params->result))
|
|
return STATUS_SUCCESS;
|
|
|
|
if((err = snd_pcm_hw_params_any(pcm_handle, hw_params)) < 0){
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
goto exit;
|
|
}
|
|
|
|
formats = calloc(1, snd_pcm_format_mask_sizeof());
|
|
if(!formats){
|
|
params->result = E_OUTOFMEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
snd_pcm_hw_params_get_format_mask(hw_params, formats);
|
|
format = alsa_format(params->fmt_in);
|
|
if (format == SND_PCM_FORMAT_UNKNOWN ||
|
|
!snd_pcm_format_mask_test(formats, format)){
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
goto exit;
|
|
}
|
|
|
|
closest = clone_format(params->fmt_in);
|
|
if(!closest){
|
|
params->result = E_OUTOFMEMORY;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_get_rate_min(hw_params, &min, NULL)) < 0){
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
WARN("Unable to get min rate: %d (%s)\n", err, snd_strerror(err));
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_get_rate_max(hw_params, &max, NULL)) < 0){
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err));
|
|
goto exit;
|
|
}
|
|
|
|
if(params->fmt_in->nSamplesPerSec < min || params->fmt_in->nSamplesPerSec > max){
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_get_channels_min(hw_params, &min)) < 0){
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
WARN("Unable to get min channels: %d (%s)\n", err, snd_strerror(err));
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_get_channels_max(hw_params, &max)) < 0){
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
|
|
goto exit;
|
|
}
|
|
if(params->fmt_in->nChannels > max){
|
|
params->result = S_FALSE;
|
|
closest->Format.nChannels = max;
|
|
}else if(params->fmt_in->nChannels < min){
|
|
params->result = S_FALSE;
|
|
closest->Format.nChannels = min;
|
|
}
|
|
|
|
map_channels(params->flow, params->fmt_in, &alsa_channels, alsa_channel_map);
|
|
|
|
if(alsa_channels > max){
|
|
params->result = S_FALSE;
|
|
closest->Format.nChannels = max;
|
|
}
|
|
|
|
if(closest->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE)
|
|
closest->dwChannelMask = get_channel_mask(closest->Format.nChannels);
|
|
|
|
if(params->fmt_in->nBlockAlign != params->fmt_in->nChannels * params->fmt_in->wBitsPerSample / 8 ||
|
|
params->fmt_in->nAvgBytesPerSec != params->fmt_in->nBlockAlign * params->fmt_in->nSamplesPerSec ||
|
|
(params->fmt_in->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
|
|
fmtex->Samples.wValidBitsPerSample < params->fmt_in->wBitsPerSample))
|
|
params->result = S_FALSE;
|
|
|
|
if(params->share == AUDCLNT_SHAREMODE_EXCLUSIVE && params->fmt_in->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
|
|
if(fmtex->dwChannelMask == 0 || fmtex->dwChannelMask & SPEAKER_RESERVED)
|
|
params->result = S_FALSE;
|
|
}
|
|
|
|
exit:
|
|
if(params->result == S_FALSE && !params->fmt_out)
|
|
params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
|
|
|
|
if(params->result == S_FALSE && params->fmt_out) {
|
|
closest->Format.nBlockAlign = closest->Format.nChannels * closest->Format.wBitsPerSample / 8;
|
|
closest->Format.nAvgBytesPerSec = closest->Format.nBlockAlign * closest->Format.nSamplesPerSec;
|
|
if(closest->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE)
|
|
closest->Samples.wValidBitsPerSample = closest->Format.wBitsPerSample;
|
|
memcpy(params->fmt_out, closest, closest->Format.cbSize);
|
|
}
|
|
free(closest);
|
|
free(formats);
|
|
free(hw_params);
|
|
snd_pcm_close(pcm_handle);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_get_mix_format(void *args)
|
|
{
|
|
struct get_mix_format_params *params = args;
|
|
WAVEFORMATEXTENSIBLE *fmt = params->fmt;
|
|
snd_pcm_t *pcm_handle;
|
|
snd_pcm_hw_params_t *hw_params;
|
|
snd_pcm_format_mask_t *formats;
|
|
unsigned int max_rate, max_channels;
|
|
int err;
|
|
|
|
params->result = alsa_open_device(params->device, params->flow, &pcm_handle, &hw_params);
|
|
if(FAILED(params->result))
|
|
return STATUS_SUCCESS;
|
|
|
|
formats = calloc(1, snd_pcm_format_mask_sizeof());
|
|
if(!formats){
|
|
free(hw_params);
|
|
snd_pcm_close(pcm_handle);
|
|
params->result = E_OUTOFMEMORY;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_any(pcm_handle, hw_params)) < 0){
|
|
WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
goto exit;
|
|
}
|
|
|
|
snd_pcm_hw_params_get_format_mask(hw_params, formats);
|
|
|
|
fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
|
if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){
|
|
fmt->Format.wBitsPerSample = 32;
|
|
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
|
|
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){
|
|
fmt->Format.wBitsPerSample = 16;
|
|
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){
|
|
fmt->Format.wBitsPerSample = 8;
|
|
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){
|
|
fmt->Format.wBitsPerSample = 32;
|
|
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){
|
|
fmt->Format.wBitsPerSample = 24;
|
|
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
}else{
|
|
ERR("Didn't recognize any available ALSA formats\n");
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
goto exit;
|
|
}
|
|
|
|
if((err = snd_pcm_hw_params_get_channels_max(hw_params, &max_channels)) < 0){
|
|
WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
goto exit;
|
|
}
|
|
|
|
if(max_channels > 6)
|
|
fmt->Format.nChannels = 2;
|
|
else
|
|
fmt->Format.nChannels = max_channels;
|
|
|
|
if(fmt->Format.nChannels > 1 && (fmt->Format.nChannels & 0x1)){
|
|
/* For most hardware on Windows, users must choose a configuration with an even
|
|
* number of channels (stereo, quad, 5.1, 7.1). Users can then disable
|
|
* channels, but those channels are still reported to applications from
|
|
* GetMixFormat! Some applications behave badly if given an odd number of
|
|
* channels (e.g. 2.1). */
|
|
|
|
if(fmt->Format.nChannels < max_channels)
|
|
fmt->Format.nChannels += 1;
|
|
else
|
|
/* We could "fake" more channels and downmix the emulated channels,
|
|
* but at that point you really ought to tweak your ALSA setup or
|
|
* just use PulseAudio. */
|
|
WARN("Some Windows applications behave badly with an odd number of channels (%u)!\n", fmt->Format.nChannels);
|
|
}
|
|
|
|
fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
|
|
|
|
if((err = snd_pcm_hw_params_get_rate_max(hw_params, &max_rate, NULL)) < 0){
|
|
WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err));
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
goto exit;
|
|
}
|
|
|
|
if(max_rate >= 48000)
|
|
fmt->Format.nSamplesPerSec = 48000;
|
|
else if(max_rate >= 44100)
|
|
fmt->Format.nSamplesPerSec = 44100;
|
|
else if(max_rate >= 22050)
|
|
fmt->Format.nSamplesPerSec = 22050;
|
|
else if(max_rate >= 11025)
|
|
fmt->Format.nSamplesPerSec = 11025;
|
|
else if(max_rate >= 8000)
|
|
fmt->Format.nSamplesPerSec = 8000;
|
|
else{
|
|
ERR("Unknown max rate: %u\n", max_rate);
|
|
params->result = AUDCLNT_E_DEVICE_INVALIDATED;
|
|
goto exit;
|
|
}
|
|
|
|
fmt->Format.nBlockAlign = (fmt->Format.wBitsPerSample * fmt->Format.nChannels) / 8;
|
|
fmt->Format.nAvgBytesPerSec = fmt->Format.nSamplesPerSec * fmt->Format.nBlockAlign;
|
|
|
|
fmt->Samples.wValidBitsPerSample = fmt->Format.wBitsPerSample;
|
|
fmt->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
|
|
|
|
exit:
|
|
free(formats);
|
|
free(hw_params);
|
|
snd_pcm_close(pcm_handle);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_get_buffer_size(void *args)
|
|
{
|
|
struct get_buffer_size_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
*params->frames = stream->bufsize_frames;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_get_latency(void *args)
|
|
{
|
|
struct get_latency_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
/* Hide some frames in the ALSA buffer. Allows us to return GetCurrentPadding=0
|
|
* yet have enough data left to play (as if it were in native's mixer). Add:
|
|
* + mmdevapi_period such that at the end of it, ALSA still has data;
|
|
* + EXTRA_SAFE (~4ms) to allow for late callback invocation / fluctuation;
|
|
* + alsa_period such that ALSA always has at least one period to play. */
|
|
if(stream->flow == eRender)
|
|
*params->latency = muldiv(stream->hidden_frames, 10000000, stream->fmt->nSamplesPerSec);
|
|
else
|
|
*params->latency = muldiv(stream->alsa_period_frames, 10000000, stream->fmt->nSamplesPerSec)
|
|
+ stream->mmdev_period_rt;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_get_current_padding(void *args)
|
|
{
|
|
struct get_current_padding_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
/* padding is solely updated at callback time in shared mode */
|
|
*params->padding = stream->held_frames;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_get_next_packet_size(void *args)
|
|
{
|
|
struct get_next_packet_size_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
*params->frames = stream->held_frames < stream->mmdev_period_frames ? 0 : stream->mmdev_period_frames;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_get_frequency(void *args)
|
|
{
|
|
struct get_frequency_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
UINT64 *freq = params->freq;
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(stream->share == AUDCLNT_SHAREMODE_SHARED)
|
|
*freq = (UINT64)stream->fmt->nSamplesPerSec * stream->fmt->nBlockAlign;
|
|
else
|
|
*freq = stream->fmt->nSamplesPerSec;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_get_position(void *args)
|
|
{
|
|
struct get_position_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
UINT64 position;
|
|
snd_pcm_state_t alsa_state;
|
|
|
|
alsa_lock(stream);
|
|
|
|
/* avail_update required to get accurate snd_pcm_state() */
|
|
snd_pcm_avail_update(stream->pcm_handle);
|
|
alsa_state = snd_pcm_state(stream->pcm_handle);
|
|
|
|
if(stream->flow == eRender){
|
|
position = stream->written_frames - stream->held_frames;
|
|
|
|
if(stream->started && alsa_state == SND_PCM_STATE_RUNNING && stream->held_frames)
|
|
/* we should be using snd_pcm_delay here, but it is broken
|
|
* especially during ALSA device underrun. instead, let's just
|
|
* interpolate between periods with the system timer. */
|
|
position += interp_elapsed_frames(stream);
|
|
|
|
position = min(position, stream->written_frames - stream->held_frames + stream->mmdev_period_frames);
|
|
|
|
position = min(position, stream->written_frames);
|
|
}else
|
|
position = stream->written_frames + stream->held_frames;
|
|
|
|
/* ensure monotic growth */
|
|
if(position < stream->last_pos_frames)
|
|
position = stream->last_pos_frames;
|
|
else
|
|
stream->last_pos_frames = position;
|
|
|
|
TRACE("frames written: %u, held: %u, state: 0x%x, position: %u\n",
|
|
(UINT32)(stream->written_frames%1000000000), stream->held_frames,
|
|
alsa_state, (UINT32)(position%1000000000));
|
|
|
|
if(stream->share == AUDCLNT_SHAREMODE_SHARED)
|
|
*params->pos = position * stream->fmt->nBlockAlign;
|
|
else
|
|
*params->pos = position;
|
|
|
|
if(params->qpctime){
|
|
LARGE_INTEGER stamp, freq;
|
|
NtQueryPerformanceCounter(&stamp, &freq);
|
|
*params->qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
|
|
}
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_set_volumes(void *args)
|
|
{
|
|
struct set_volumes_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
unsigned int i;
|
|
|
|
for(i = 0; i < stream->fmt->nChannels; i++)
|
|
stream->vols[i] = params->volumes[i] * params->session_volumes[i] * params->master_volume;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_set_event_handle(void *args)
|
|
{
|
|
struct set_event_handle_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
if(!(stream->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK))
|
|
return alsa_unlock_result(stream, ¶ms->result, AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED);
|
|
|
|
if (stream->event){
|
|
FIXME("called twice\n");
|
|
return alsa_unlock_result(stream, ¶ms->result, HRESULT_FROM_WIN32(ERROR_INVALID_NAME));
|
|
}
|
|
|
|
stream->event = params->event;
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, S_OK);
|
|
}
|
|
|
|
static NTSTATUS alsa_is_started(void *args)
|
|
{
|
|
struct is_started_params *params = args;
|
|
struct alsa_stream *stream = handle_get_stream(params->stream);
|
|
|
|
alsa_lock(stream);
|
|
|
|
return alsa_unlock_result(stream, ¶ms->result, stream->started ? S_OK : S_FALSE);
|
|
}
|
|
|
|
static unsigned int alsa_probe_num_speakers(char *name)
|
|
{
|
|
snd_pcm_t *handle;
|
|
snd_pcm_hw_params_t *params;
|
|
int err;
|
|
unsigned int max_channels = 0;
|
|
|
|
if ((err = snd_pcm_open(&handle, name, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK)) < 0) {
|
|
WARN("The device \"%s\" failed to open: %d (%s).\n",
|
|
name, err, snd_strerror(err));
|
|
return 0;
|
|
}
|
|
|
|
params = malloc(snd_pcm_hw_params_sizeof());
|
|
if (!params) {
|
|
WARN("Out of memory.\n");
|
|
snd_pcm_close(handle);
|
|
return 0;
|
|
}
|
|
|
|
if ((err = snd_pcm_hw_params_any(handle, params)) < 0) {
|
|
WARN("snd_pcm_hw_params_any failed for \"%s\": %d (%s).\n",
|
|
name, err, snd_strerror(err));
|
|
goto exit;
|
|
}
|
|
|
|
if ((err = snd_pcm_hw_params_get_channels_max(params,
|
|
&max_channels)) < 0){
|
|
WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
|
|
goto exit;
|
|
}
|
|
|
|
exit:
|
|
free(params);
|
|
snd_pcm_close(handle);
|
|
|
|
return max_channels;
|
|
}
|
|
|
|
enum AudioDeviceConnectionType {
|
|
AudioDeviceConnectionType_Unknown = 0,
|
|
AudioDeviceConnectionType_PCI,
|
|
AudioDeviceConnectionType_USB
|
|
};
|
|
|
|
static NTSTATUS alsa_get_prop_value(void *args)
|
|
{
|
|
struct get_prop_value_params *params = args;
|
|
const char *name = params->device;
|
|
EDataFlow flow = params->flow;
|
|
const GUID *guid = params->guid;
|
|
const PROPERTYKEY *prop = params->prop;
|
|
PROPVARIANT *out = params->value;
|
|
static const PROPERTYKEY devicepath_key = { /* undocumented? - {b3f8fa53-0004-438e-9003-51a46e139bfc},2 */
|
|
{0xb3f8fa53, 0x0004, 0x438e, {0x90, 0x03, 0x51, 0xa4, 0x6e, 0x13, 0x9b, 0xfc}}, 2
|
|
};
|
|
|
|
if(IsEqualPropertyKey(*prop, devicepath_key))
|
|
{
|
|
enum AudioDeviceConnectionType connection = AudioDeviceConnectionType_Unknown;
|
|
USHORT vendor_id = 0, product_id = 0;
|
|
char uevent[MAX_PATH];
|
|
FILE *fuevent = NULL;
|
|
int card, device;
|
|
UINT serial_number;
|
|
char buf[128];
|
|
int len;
|
|
|
|
if(sscanf(name, "plughw:%u,%u", &card, &device)){
|
|
sprintf(uevent, "/sys/class/sound/card%u/device/uevent", card);
|
|
fuevent = fopen(uevent, "r");
|
|
}
|
|
|
|
if(fuevent){
|
|
char line[256];
|
|
|
|
while (fgets(line, sizeof(line), fuevent)) {
|
|
char *val;
|
|
size_t val_len;
|
|
|
|
if((val = strchr(line, '='))) {
|
|
val[0] = 0;
|
|
val++;
|
|
|
|
val_len = strlen(val);
|
|
if(val_len > 0 && val[val_len - 1] == '\n') { val[val_len - 1] = 0; }
|
|
|
|
if(!strcmp(line, "PCI_ID")){
|
|
connection = AudioDeviceConnectionType_PCI;
|
|
if(sscanf(val, "%hX:%hX", &vendor_id, &product_id)<2){
|
|
WARN("Unexpected input when reading PCI_ID in uevent file.\n");
|
|
connection = AudioDeviceConnectionType_Unknown;
|
|
break;
|
|
}
|
|
}else if(!strcmp(line, "DEVTYPE") && !strcmp(val,"usb_interface"))
|
|
connection = AudioDeviceConnectionType_USB;
|
|
else if(!strcmp(line, "PRODUCT"))
|
|
if(sscanf(val, "%hx/%hx/", &vendor_id, &product_id)<2){
|
|
WARN("Unexpected input when reading PRODUCT in uevent file.\n");
|
|
connection = AudioDeviceConnectionType_Unknown;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
fclose(fuevent);
|
|
}
|
|
|
|
/* As hardly any audio devices have serial numbers, Windows instead
|
|
appears to use a persistent random number. We emulate this here
|
|
by instead using the last 8 hex digits of the GUID. */
|
|
serial_number = (guid->Data4[4] << 24) | (guid->Data4[5] << 16) | (guid->Data4[6] << 8) | guid->Data4[7];
|
|
|
|
if(connection == AudioDeviceConnectionType_USB)
|
|
sprintf(buf, "{1}.USB\\VID_%04X&PID_%04X\\%u&%08X",
|
|
vendor_id, product_id, device, serial_number);
|
|
else if (connection == AudioDeviceConnectionType_PCI)
|
|
sprintf(buf, "{1}.HDAUDIO\\FUNC_01&VEN_%04X&DEV_%04X\\%u&%08X",
|
|
vendor_id, product_id, device, serial_number);
|
|
else
|
|
sprintf(buf, "{1}.ROOT\\MEDIA\\%04u", serial_number & 0x1FF);
|
|
|
|
len = strlen(buf) + 1;
|
|
if(*params->buffer_size < len * sizeof(WCHAR)){
|
|
params->result = E_NOT_SUFFICIENT_BUFFER;
|
|
*params->buffer_size = len * sizeof(WCHAR);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
out->vt = VT_LPWSTR;
|
|
out->pwszVal = params->buffer;
|
|
ntdll_umbstowcs(buf, len, out->pwszVal, len);
|
|
params->result = S_OK;
|
|
return STATUS_SUCCESS;
|
|
} else if (flow != eCapture && IsEqualPropertyKey(*prop, PKEY_AudioEndpoint_PhysicalSpeakers)) {
|
|
unsigned int num_speakers, card, device;
|
|
char hwname[255];
|
|
|
|
if (sscanf(name, "plughw:%u,%u", &card, &device))
|
|
sprintf(hwname, "hw:%u,%u", card, device); /* must be hw rather than plughw to work */
|
|
else
|
|
strcpy(hwname, name);
|
|
|
|
num_speakers = alsa_probe_num_speakers(hwname);
|
|
if (num_speakers == 0){
|
|
params->result = E_FAIL;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
out->vt = VT_UI4;
|
|
|
|
if (num_speakers > 6)
|
|
out->ulVal = KSAUDIO_SPEAKER_STEREO;
|
|
else if (num_speakers == 6)
|
|
out->ulVal = KSAUDIO_SPEAKER_5POINT1;
|
|
else if (num_speakers >= 4)
|
|
out->ulVal = KSAUDIO_SPEAKER_QUAD;
|
|
else if (num_speakers >= 2)
|
|
out->ulVal = KSAUDIO_SPEAKER_STEREO;
|
|
else if (num_speakers == 1)
|
|
out->ulVal = KSAUDIO_SPEAKER_MONO;
|
|
|
|
params->result = S_OK;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
TRACE("Unimplemented property %s,%u\n", wine_dbgstr_guid(&prop->fmtid), (unsigned)prop->pid);
|
|
|
|
params->result = E_NOTIMPL;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
unixlib_entry_t __wine_unix_call_funcs[] =
|
|
{
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
alsa_get_endpoint_ids,
|
|
alsa_create_stream,
|
|
alsa_release_stream,
|
|
alsa_start,
|
|
alsa_stop,
|
|
alsa_reset,
|
|
alsa_timer_loop,
|
|
alsa_get_render_buffer,
|
|
alsa_release_render_buffer,
|
|
alsa_get_capture_buffer,
|
|
alsa_release_capture_buffer,
|
|
alsa_is_format_supported,
|
|
alsa_get_mix_format,
|
|
NULL,
|
|
alsa_get_buffer_size,
|
|
alsa_get_latency,
|
|
alsa_get_current_padding,
|
|
alsa_get_next_packet_size,
|
|
alsa_get_frequency,
|
|
alsa_get_position,
|
|
alsa_set_volumes,
|
|
alsa_set_event_handle,
|
|
NULL,
|
|
alsa_is_started,
|
|
alsa_get_prop_value,
|
|
NULL,
|
|
alsa_midi_release,
|
|
alsa_midi_out_message,
|
|
alsa_midi_in_message,
|
|
alsa_midi_notify_wait,
|
|
NULL,
|
|
};
|
|
|
|
#ifdef _WIN64
|
|
|
|
typedef UINT PTR32;
|
|
|
|
static NTSTATUS alsa_wow64_get_endpoint_ids(void *args)
|
|
{
|
|
struct
|
|
{
|
|
EDataFlow flow;
|
|
PTR32 endpoints;
|
|
unsigned int size;
|
|
HRESULT result;
|
|
unsigned int num;
|
|
unsigned int default_idx;
|
|
} *params32 = args;
|
|
struct get_endpoint_ids_params params =
|
|
{
|
|
.flow = params32->flow,
|
|
.endpoints = ULongToPtr(params32->endpoints),
|
|
.size = params32->size
|
|
};
|
|
alsa_get_endpoint_ids(¶ms);
|
|
params32->size = params.size;
|
|
params32->result = params.result;
|
|
params32->num = params.num;
|
|
params32->default_idx = params.default_idx;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_create_stream(void *args)
|
|
{
|
|
struct
|
|
{
|
|
PTR32 name;
|
|
PTR32 device;
|
|
EDataFlow flow;
|
|
AUDCLNT_SHAREMODE share;
|
|
DWORD flags;
|
|
REFERENCE_TIME duration;
|
|
REFERENCE_TIME period;
|
|
PTR32 fmt;
|
|
HRESULT result;
|
|
PTR32 channel_count;
|
|
PTR32 stream;
|
|
} *params32 = args;
|
|
struct create_stream_params params =
|
|
{
|
|
.name = ULongToPtr(params32->name),
|
|
.device = ULongToPtr(params32->device),
|
|
.flow = params32->flow,
|
|
.share = params32->share,
|
|
.flags = params32->flags,
|
|
.duration = params32->duration,
|
|
.period = params32->period,
|
|
.fmt = ULongToPtr(params32->fmt),
|
|
.channel_count = ULongToPtr(params32->channel_count),
|
|
.stream = ULongToPtr(params32->stream)
|
|
};
|
|
alsa_create_stream(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_release_stream(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
PTR32 timer_thread;
|
|
HRESULT result;
|
|
} *params32 = args;
|
|
struct release_stream_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.timer_thread = ULongToHandle(params32->timer_thread)
|
|
};
|
|
alsa_release_stream(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_render_buffer(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
UINT32 frames;
|
|
HRESULT result;
|
|
PTR32 data;
|
|
} *params32 = args;
|
|
BYTE *data = NULL;
|
|
struct get_render_buffer_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.frames = params32->frames,
|
|
.data = &data
|
|
};
|
|
alsa_get_render_buffer(¶ms);
|
|
params32->result = params.result;
|
|
*(unsigned int *)ULongToPtr(params32->data) = PtrToUlong(data);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_capture_buffer(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
HRESULT result;
|
|
PTR32 data;
|
|
PTR32 frames;
|
|
PTR32 flags;
|
|
PTR32 devpos;
|
|
PTR32 qpcpos;
|
|
} *params32 = args;
|
|
BYTE *data = NULL;
|
|
struct get_capture_buffer_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.data = &data,
|
|
.frames = ULongToPtr(params32->frames),
|
|
.flags = ULongToPtr(params32->flags),
|
|
.devpos = ULongToPtr(params32->devpos),
|
|
.qpcpos = ULongToPtr(params32->qpcpos)
|
|
};
|
|
alsa_get_capture_buffer(¶ms);
|
|
params32->result = params.result;
|
|
*(unsigned int *)ULongToPtr(params32->data) = PtrToUlong(data);
|
|
return STATUS_SUCCESS;
|
|
};
|
|
|
|
static NTSTATUS alsa_wow64_is_format_supported(void *args)
|
|
{
|
|
struct
|
|
{
|
|
PTR32 device;
|
|
EDataFlow flow;
|
|
AUDCLNT_SHAREMODE share;
|
|
PTR32 fmt_in;
|
|
PTR32 fmt_out;
|
|
HRESULT result;
|
|
} *params32 = args;
|
|
struct is_format_supported_params params =
|
|
{
|
|
.device = ULongToPtr(params32->device),
|
|
.flow = params32->flow,
|
|
.share = params32->share,
|
|
.fmt_in = ULongToPtr(params32->fmt_in),
|
|
.fmt_out = ULongToPtr(params32->fmt_out)
|
|
};
|
|
alsa_is_format_supported(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_mix_format(void *args)
|
|
{
|
|
struct
|
|
{
|
|
PTR32 device;
|
|
EDataFlow flow;
|
|
PTR32 fmt;
|
|
HRESULT result;
|
|
} *params32 = args;
|
|
struct get_mix_format_params params =
|
|
{
|
|
.device = ULongToPtr(params32->device),
|
|
.flow = params32->flow,
|
|
.fmt = ULongToPtr(params32->fmt)
|
|
};
|
|
alsa_get_mix_format(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_buffer_size(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
HRESULT result;
|
|
PTR32 frames;
|
|
} *params32 = args;
|
|
struct get_buffer_size_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.frames = ULongToPtr(params32->frames)
|
|
};
|
|
alsa_get_buffer_size(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_latency(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
HRESULT result;
|
|
PTR32 latency;
|
|
} *params32 = args;
|
|
struct get_latency_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.latency = ULongToPtr(params32->latency)
|
|
};
|
|
alsa_get_latency(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_current_padding(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
HRESULT result;
|
|
PTR32 padding;
|
|
} *params32 = args;
|
|
struct get_current_padding_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.padding = ULongToPtr(params32->padding)
|
|
};
|
|
alsa_get_current_padding(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_next_packet_size(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
HRESULT result;
|
|
PTR32 frames;
|
|
} *params32 = args;
|
|
struct get_next_packet_size_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.frames = ULongToPtr(params32->frames)
|
|
};
|
|
alsa_get_next_packet_size(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_frequency(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
HRESULT result;
|
|
PTR32 freq;
|
|
} *params32 = args;
|
|
struct get_frequency_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.freq = ULongToPtr(params32->freq)
|
|
};
|
|
alsa_get_frequency(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_position(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
BOOL device;
|
|
HRESULT result;
|
|
PTR32 pos;
|
|
PTR32 qpctime;
|
|
} *params32 = args;
|
|
struct get_position_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.device = params32->device,
|
|
.pos = ULongToPtr(params32->pos),
|
|
.qpctime = ULongToPtr(params32->qpctime)
|
|
};
|
|
alsa_get_position(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_set_volumes(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
float master_volume;
|
|
PTR32 volumes;
|
|
PTR32 session_volumes;
|
|
int channel;
|
|
} *params32 = args;
|
|
struct set_volumes_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.master_volume = params32->master_volume,
|
|
.volumes = ULongToPtr(params32->volumes),
|
|
.session_volumes = ULongToPtr(params32->session_volumes),
|
|
.channel = params32->channel
|
|
};
|
|
return alsa_set_volumes(¶ms);
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_set_event_handle(void *args)
|
|
{
|
|
struct
|
|
{
|
|
stream_handle stream;
|
|
PTR32 event;
|
|
HRESULT result;
|
|
} *params32 = args;
|
|
struct set_event_handle_params params =
|
|
{
|
|
.stream = params32->stream,
|
|
.event = ULongToHandle(params32->event)
|
|
};
|
|
|
|
alsa_set_event_handle(¶ms);
|
|
params32->result = params.result;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS alsa_wow64_get_prop_value(void *args)
|
|
{
|
|
struct propvariant32
|
|
{
|
|
WORD vt;
|
|
WORD pad1, pad2, pad3;
|
|
union
|
|
{
|
|
ULONG ulVal;
|
|
PTR32 ptr;
|
|
ULARGE_INTEGER uhVal;
|
|
};
|
|
} *value32;
|
|
struct
|
|
{
|
|
PTR32 device;
|
|
EDataFlow flow;
|
|
PTR32 guid;
|
|
PTR32 prop;
|
|
HRESULT result;
|
|
PTR32 value;
|
|
PTR32 buffer; /* caller allocated buffer to hold value's strings */
|
|
PTR32 buffer_size;
|
|
} *params32 = args;
|
|
PROPVARIANT value;
|
|
struct get_prop_value_params params =
|
|
{
|
|
.device = ULongToPtr(params32->device),
|
|
.flow = params32->flow,
|
|
.guid = ULongToPtr(params32->guid),
|
|
.prop = ULongToPtr(params32->prop),
|
|
.value = &value,
|
|
.buffer = ULongToPtr(params32->buffer),
|
|
.buffer_size = ULongToPtr(params32->buffer_size)
|
|
};
|
|
alsa_get_prop_value(¶ms);
|
|
params32->result = params.result;
|
|
if (SUCCEEDED(params.result))
|
|
{
|
|
value32 = UlongToPtr(params32->value);
|
|
value32->vt = value.vt;
|
|
switch (value.vt)
|
|
{
|
|
case VT_UI4:
|
|
value32->ulVal = value.ulVal;
|
|
break;
|
|
case VT_LPWSTR:
|
|
value32->ptr = params32->buffer;
|
|
break;
|
|
default:
|
|
FIXME("Unhandled vt %04x\n", value.vt);
|
|
}
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
unixlib_entry_t __wine_unix_call_wow64_funcs[] =
|
|
{
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
alsa_wow64_get_endpoint_ids,
|
|
alsa_wow64_create_stream,
|
|
alsa_wow64_release_stream,
|
|
alsa_start,
|
|
alsa_stop,
|
|
alsa_reset,
|
|
alsa_timer_loop,
|
|
alsa_wow64_get_render_buffer,
|
|
alsa_release_render_buffer,
|
|
alsa_wow64_get_capture_buffer,
|
|
alsa_release_capture_buffer,
|
|
alsa_wow64_is_format_supported,
|
|
alsa_wow64_get_mix_format,
|
|
NULL,
|
|
alsa_wow64_get_buffer_size,
|
|
alsa_wow64_get_latency,
|
|
alsa_wow64_get_current_padding,
|
|
alsa_wow64_get_next_packet_size,
|
|
alsa_wow64_get_frequency,
|
|
alsa_wow64_get_position,
|
|
alsa_wow64_set_volumes,
|
|
alsa_wow64_set_event_handle,
|
|
NULL,
|
|
alsa_is_started,
|
|
alsa_wow64_get_prop_value,
|
|
NULL,
|
|
alsa_midi_release,
|
|
alsa_wow64_midi_out_message,
|
|
alsa_wow64_midi_in_message,
|
|
alsa_wow64_midi_notify_wait,
|
|
NULL,
|
|
};
|
|
|
|
#endif /* _WIN64 */
|