mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
1211 lines
45 KiB
C
1211 lines
45 KiB
C
/*****************************************************************************
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* directx.c: Windows DirectX audio output method
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*****************************************************************************
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* Copyright (C) 2001-2009 the VideoLAN team
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_aout.h>
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#include <vlc_charset.h>
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#include "windows_audio_common.h"
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#include <dsound.h>
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#define FRAME_SIZE ((int)p_aout->output.output.i_rate/20) /* Size in samples */
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/*****************************************************************************
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* notification_thread_t: DirectX event thread
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*****************************************************************************/
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typedef struct notification_thread_t
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{
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VLC_COMMON_MEMBERS
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aout_instance_t *p_aout;
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int i_frame_size; /* size in bytes of one frame */
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int i_write_slot; /* current write position in our circular buffer */
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mtime_t start_date;
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HANDLE event;
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} notification_thread_t;
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/*****************************************************************************
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* aout_sys_t: directx audio output method descriptor
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*****************************************************************************
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* This structure is part of the audio output thread descriptor.
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* It describes the direct sound specific properties of an audio device.
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*****************************************************************************/
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struct aout_sys_t
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{
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HINSTANCE hdsound_dll; /* handle of the opened dsound dll */
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char * psz_device; /* user defined device name */
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LPGUID p_device_guid;
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LPDIRECTSOUND p_dsobject; /* main Direct Sound object */
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LPDIRECTSOUNDBUFFER p_dsbuffer; /* the sound buffer we use (direct sound
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* takes care of mixing all the
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* secondary buffers into the primary) */
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notification_thread_t *p_notif; /* DirectSoundThread id */
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int b_playing; /* playing status */
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int i_frame_size; /* Size in bytes of one frame */
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int i_speaker_setup; /* Speaker setup override */
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bool b_chan_reorder; /* do we need channel reordering */
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int pi_chan_table[AOUT_CHAN_MAX];
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uint32_t i_channel_mask;
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uint32_t i_bits_per_sample;
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uint32_t i_channels;
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};
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/*****************************************************************************
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* Local prototypes.
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*****************************************************************************/
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static int OpenAudio ( vlc_object_t * );
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static void CloseAudio ( vlc_object_t * );
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static void Play ( aout_instance_t * );
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/* local functions */
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static void Probe ( aout_instance_t * );
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static int InitDirectSound ( aout_instance_t * );
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static int CreateDSBuffer ( aout_instance_t *, int, int, int, int, int, bool );
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static int CreateDSBufferPCM ( aout_instance_t *, vlc_fourcc_t*, int, int, int, bool );
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static void DestroyDSBuffer ( aout_instance_t * );
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static void* DirectSoundThread( vlc_object_t * );
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static int FillBuffer ( aout_instance_t *, int, aout_buffer_t * );
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static int ReloadDirectXDevices( vlc_object_t *, char const *,
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vlc_value_t, vlc_value_t, void * );
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/* Speaker setup override options list */
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static const char *const speaker_list[] = { "Windows default", "Mono", "Stereo",
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"Quad", "5.1", "7.1" };
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static const char *const ppsz_adev[] = {"default", };
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static const char *const ppsz_adev_text[] = {"default", };
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define DEVICE_TEXT N_("Output device")
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#define DEVICE_LONGTEXT N_("Select your audio output device")
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#define SPEAKER_TEXT N_("Speaker configuration")
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#define SPEAKER_LONGTEXT N_("Select speaker configuration you want to use. " \
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"This option doesn't upmix! So NO e.g. Stereo -> 5.1 conversion." )
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vlc_module_begin ()
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set_description( N_("DirectX audio output") )
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set_shortname( "DirectX" )
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set_capability( "audio output", 100 )
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set_category( CAT_AUDIO )
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set_subcategory( SUBCAT_AUDIO_AOUT )
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add_shortcut( "directx" )
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add_shortcut( "directsound" )
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add_string( "directx-audio-device-name", "default", NULL,
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DEVICE_TEXT, DEVICE_LONGTEXT, false )
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add_deprecated_alias( "directx-audio-device" ) /* Since 1.1.0 */
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change_string_list( ppsz_adev, ppsz_adev_text, ReloadDirectXDevices )
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change_action_add( ReloadDirectXDevices, N_("Refresh list") )
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change_need_restart ()
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add_bool( "directx-audio-float32", false, NULL, FLOAT_TEXT,
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FLOAT_LONGTEXT, true )
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add_string( "directx-audio-speaker", "Windows default", NULL,
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SPEAKER_TEXT, SPEAKER_LONGTEXT, true )
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change_string_list( speaker_list, 0, 0 )
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change_need_restart ()
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set_callbacks( OpenAudio, CloseAudio )
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vlc_module_end ()
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/*****************************************************************************
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* OpenAudio: open the audio device
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*****************************************************************************
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* This function opens and setups Direct Sound.
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*****************************************************************************/
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static int OpenAudio( vlc_object_t *p_this )
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{
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aout_instance_t * p_aout = (aout_instance_t *)p_this;
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vlc_value_t val;
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char * psz_speaker;
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int i = 0;
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const char * const * ppsz_compare = speaker_list;
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msg_Dbg( p_aout, "Opening DirectSound Audio Output" );
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/* Allocate structure */
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p_aout->output.p_sys = malloc( sizeof( aout_sys_t ) );
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if( p_aout->output.p_sys == NULL )
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return VLC_ENOMEM;
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/* Initialize some variables */
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p_aout->output.p_sys->p_dsobject = NULL;
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p_aout->output.p_sys->p_dsbuffer = NULL;
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p_aout->output.p_sys->p_notif = NULL;
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p_aout->output.p_sys->b_playing = 0;
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p_aout->output.pf_play = Play;
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aout_VolumeSoftInit( p_aout );
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/* Retrieve config values */
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var_Create( p_aout, "directx-audio-float32",
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VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
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psz_speaker = var_CreateGetString( p_aout, "directx-audio-speaker" );
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while ( *ppsz_compare != NULL )
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{
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if ( !strncmp( *ppsz_compare, psz_speaker, strlen(*ppsz_compare) ) )
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{
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break;
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}
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ppsz_compare++; i++;
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}
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if ( *ppsz_compare == NULL )
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{
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msg_Err( p_aout, "(%s) isn't valid speaker setup option", psz_speaker );
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msg_Err( p_aout, "Defaulting to Windows default speaker config");
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i = 0;
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}
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free( psz_speaker );
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p_aout->output.p_sys->i_speaker_setup = i;
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p_aout->output.p_sys->p_device_guid = 0;
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/* Initialise DirectSound */
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if( InitDirectSound( p_aout ) )
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{
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msg_Err( p_aout, "cannot initialize DirectSound" );
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goto error;
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}
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if( var_Type( p_aout, "audio-device" ) == 0 )
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{
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Probe( p_aout );
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}
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if( var_Get( p_aout, "audio-device", &val ) < 0 )
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{
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/* Probe() has failed. */
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goto error;
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}
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/* Open the device */
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if( val.i_int == AOUT_VAR_SPDIF )
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{
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p_aout->output.output.i_format = VLC_CODEC_SPDIFL;
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/* Calculate the frame size in bytes */
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p_aout->output.i_nb_samples = A52_FRAME_NB;
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p_aout->output.output.i_bytes_per_frame = AOUT_SPDIF_SIZE;
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p_aout->output.output.i_frame_length = A52_FRAME_NB;
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p_aout->output.p_sys->i_frame_size =
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p_aout->output.output.i_bytes_per_frame;
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if( CreateDSBuffer( p_aout, VLC_CODEC_SPDIFL,
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p_aout->output.output.i_physical_channels,
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aout_FormatNbChannels( &p_aout->output.output ),
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p_aout->output.output.i_rate,
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p_aout->output.p_sys->i_frame_size, false )
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!= VLC_SUCCESS )
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{
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msg_Err( p_aout, "cannot open directx audio device" );
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free( p_aout->output.p_sys );
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return VLC_EGENERIC;
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}
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aout_VolumeNoneInit( p_aout );
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}
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else
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{
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if( val.i_int == AOUT_VAR_5_1 )
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{
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p_aout->output.output.i_physical_channels
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= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
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| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
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| AOUT_CHAN_LFE;
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}
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else if( val.i_int == AOUT_VAR_7_1 )
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{
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p_aout->output.output.i_physical_channels
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= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
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| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
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| AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
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| AOUT_CHAN_LFE;
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}
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else if( val.i_int == AOUT_VAR_3F2R )
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{
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p_aout->output.output.i_physical_channels
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= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
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| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
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}
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else if( val.i_int == AOUT_VAR_2F2R )
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{
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p_aout->output.output.i_physical_channels
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= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
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| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
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}
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else if( val.i_int == AOUT_VAR_MONO )
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{
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p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
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}
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else
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{
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p_aout->output.output.i_physical_channels
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= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
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}
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if( CreateDSBufferPCM( p_aout, &p_aout->output.output.i_format,
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p_aout->output.output.i_physical_channels,
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aout_FormatNbChannels( &p_aout->output.output ),
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p_aout->output.output.i_rate, false )
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!= VLC_SUCCESS )
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{
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msg_Err( p_aout, "cannot open directx audio device" );
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free( p_aout->output.p_sys );
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return VLC_EGENERIC;
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}
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/* Calculate the frame size in bytes */
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p_aout->output.i_nb_samples = FRAME_SIZE;
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aout_FormatPrepare( &p_aout->output.output );
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aout_VolumeSoftInit( p_aout );
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}
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/* Now we need to setup our DirectSound play notification structure */
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p_aout->output.p_sys->p_notif =
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vlc_object_create( p_aout, sizeof(notification_thread_t) );
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p_aout->output.p_sys->p_notif->p_aout = p_aout;
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p_aout->output.p_sys->p_notif->event = CreateEvent( 0, FALSE, FALSE, 0 );
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p_aout->output.p_sys->p_notif->i_frame_size =
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p_aout->output.p_sys->i_frame_size;
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/* then launch the notification thread */
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msg_Dbg( p_aout, "creating DirectSoundThread" );
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if( vlc_thread_create( p_aout->output.p_sys->p_notif,
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"DirectSound Notification Thread",
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DirectSoundThread,
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VLC_THREAD_PRIORITY_HIGHEST ) )
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{
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msg_Err( p_aout, "cannot create DirectSoundThread" );
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CloseHandle( p_aout->output.p_sys->p_notif->event );
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vlc_object_release( p_aout->output.p_sys->p_notif );
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p_aout->output.p_sys->p_notif = NULL;
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goto error;
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}
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vlc_object_attach( p_aout->output.p_sys->p_notif, p_aout );
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return VLC_SUCCESS;
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error:
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CloseAudio( VLC_OBJECT(p_aout) );
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return VLC_EGENERIC;
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}
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/*****************************************************************************
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* Probe: probe the audio device for available formats and channels
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*****************************************************************************/
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static void Probe( aout_instance_t * p_aout )
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{
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vlc_value_t val, text;
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vlc_fourcc_t i_format;
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unsigned int i_physical_channels;
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DWORD ui_speaker_config;
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bool is_default_output_set = false;
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var_Create( p_aout, "audio-device", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
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text.psz_string = _("Audio Device");
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var_Change( p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL );
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/* Test for 5.1 support */
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i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
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AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT |
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AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE;
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if( p_aout->output.output.i_physical_channels == i_physical_channels )
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{
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if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 6,
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p_aout->output.output.i_rate, true )
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== VLC_SUCCESS )
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{
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val.i_int = AOUT_VAR_5_1;
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text.psz_string = (char*) "5.1";
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var_Change( p_aout, "audio-device",
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VLC_VAR_ADDCHOICE, &val, &text );
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var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
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is_default_output_set = true;
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msg_Dbg( p_aout, "device supports 5.1 channels" );
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}
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}
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|
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/* Test for 7.1 support */
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i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
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AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT |
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AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT |
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AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE;
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if( p_aout->output.output.i_physical_channels == i_physical_channels )
|
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{
|
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if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 8,
|
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p_aout->output.output.i_rate, true )
|
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== VLC_SUCCESS )
|
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{
|
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val.i_int = AOUT_VAR_7_1;
|
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text.psz_string = (char*) "7.1";
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var_Change( p_aout, "audio-device",
|
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VLC_VAR_ADDCHOICE, &val, &text );
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var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
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is_default_output_set = true;
|
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msg_Dbg( p_aout, "device supports 7.1 channels" );
|
|
}
|
|
}
|
|
|
|
/* Test for 3 Front 2 Rear support */
|
|
i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
|
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AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT |
|
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AOUT_CHAN_REARRIGHT;
|
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if( p_aout->output.output.i_physical_channels == i_physical_channels )
|
|
{
|
|
if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 5,
|
|
p_aout->output.output.i_rate, true )
|
|
== VLC_SUCCESS )
|
|
{
|
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val.i_int = AOUT_VAR_3F2R;
|
|
text.psz_string = _("3 Front 2 Rear");
|
|
var_Change( p_aout, "audio-device",
|
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VLC_VAR_ADDCHOICE, &val, &text );
|
|
if(!is_default_output_set)
|
|
{
|
|
var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
|
|
is_default_output_set = true;
|
|
}
|
|
msg_Dbg( p_aout, "device supports 5 channels" );
|
|
}
|
|
}
|
|
|
|
/* Test for 2 Front 2 Rear support */
|
|
i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
|
|
AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
|
|
if( ( p_aout->output.output.i_physical_channels & i_physical_channels )
|
|
== i_physical_channels )
|
|
{
|
|
if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 4,
|
|
p_aout->output.output.i_rate, true )
|
|
== VLC_SUCCESS )
|
|
{
|
|
val.i_int = AOUT_VAR_2F2R;
|
|
text.psz_string = _("2 Front 2 Rear");
|
|
var_Change( p_aout, "audio-device",
|
|
VLC_VAR_ADDCHOICE, &val, &text );
|
|
if(!is_default_output_set)
|
|
{
|
|
var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
|
|
is_default_output_set = true;
|
|
}
|
|
msg_Dbg( p_aout, "device supports 4 channels" );
|
|
}
|
|
}
|
|
|
|
/* Test for stereo support */
|
|
i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
|
|
if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 2,
|
|
p_aout->output.output.i_rate, true )
|
|
== VLC_SUCCESS )
|
|
{
|
|
val.i_int = AOUT_VAR_STEREO;
|
|
text.psz_string = _("Stereo");
|
|
var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
|
|
if(!is_default_output_set)
|
|
{
|
|
var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
|
|
is_default_output_set = true;
|
|
msg_Dbg( p_aout, "device supports 2 channels (DEFAULT!)" );
|
|
}
|
|
else msg_Dbg( p_aout, "device supports 2 channels" );
|
|
}
|
|
|
|
/* Test for mono support */
|
|
i_physical_channels = AOUT_CHAN_CENTER;
|
|
if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 1,
|
|
p_aout->output.output.i_rate, true )
|
|
== VLC_SUCCESS )
|
|
{
|
|
val.i_int = AOUT_VAR_MONO;
|
|
text.psz_string = _("Mono");
|
|
var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
|
|
msg_Dbg( p_aout, "device supports 1 channel" );
|
|
}
|
|
|
|
/* Check the speaker configuration to determine which channel config should
|
|
* be the default */
|
|
if FAILED( IDirectSound_GetSpeakerConfig( p_aout->output.p_sys->p_dsobject,
|
|
&ui_speaker_config ) )
|
|
{
|
|
ui_speaker_config = DSSPEAKER_STEREO;
|
|
msg_Dbg( p_aout, "GetSpeakerConfig failed" );
|
|
}
|
|
switch( DSSPEAKER_CONFIG(ui_speaker_config) )
|
|
{
|
|
case DSSPEAKER_7POINT1:
|
|
msg_Dbg( p_aout, "Windows says your SpeakerConfig is 7.1" );
|
|
val.i_int = AOUT_VAR_7_1;
|
|
break;
|
|
case DSSPEAKER_5POINT1:
|
|
msg_Dbg( p_aout, "Windows says your SpeakerConfig is 5.1" );
|
|
val.i_int = AOUT_VAR_5_1;
|
|
break;
|
|
case DSSPEAKER_QUAD:
|
|
msg_Dbg( p_aout, "Windows says your SpeakerConfig is Quad" );
|
|
val.i_int = AOUT_VAR_2F2R;
|
|
break;
|
|
#if 0 /* Lots of people just get their settings wrong and complain that
|
|
* this is a problem with VLC so just don't ever set mono by default. */
|
|
case DSSPEAKER_MONO:
|
|
val.i_int = AOUT_VAR_MONO;
|
|
break;
|
|
#endif
|
|
case DSSPEAKER_SURROUND:
|
|
msg_Dbg( p_aout, "Windows says your SpeakerConfig is surround" );
|
|
case DSSPEAKER_STEREO:
|
|
msg_Dbg( p_aout, "Windows says your SpeakerConfig is stereo" );
|
|
default:
|
|
/* If nothing else is found, choose stereo output */
|
|
val.i_int = AOUT_VAR_STEREO;
|
|
break;
|
|
}
|
|
|
|
/* Check if we want to override speaker config */
|
|
switch( p_aout->output.p_sys->i_speaker_setup )
|
|
{
|
|
case 0: /* Default value aka Windows default speaker setup */
|
|
break;
|
|
case 1: /* Mono */
|
|
msg_Dbg( p_aout, "SpeakerConfig is forced to Mono" );
|
|
val.i_int = AOUT_VAR_MONO;
|
|
break;
|
|
case 2: /* Stereo */
|
|
msg_Dbg( p_aout, "SpeakerConfig is forced to Stereo" );
|
|
val.i_int = AOUT_VAR_STEREO;
|
|
break;
|
|
case 3: /* Quad */
|
|
msg_Dbg( p_aout, "SpeakerConfig is forced to Quad" );
|
|
val.i_int = AOUT_VAR_2F2R;
|
|
break;
|
|
case 4: /* 5.1 */
|
|
msg_Dbg( p_aout, "SpeakerConfig is forced to 5.1" );
|
|
val.i_int = AOUT_VAR_5_1;
|
|
break;
|
|
case 5: /* 7.1 */
|
|
msg_Dbg( p_aout, "SpeakerConfig is forced to 7.1" );
|
|
val.i_int = AOUT_VAR_7_1;
|
|
break;
|
|
default:
|
|
msg_Dbg( p_aout, "SpeakerConfig is forced to non-existing value" );
|
|
break;
|
|
}
|
|
|
|
var_Set( p_aout, "audio-device", val );
|
|
|
|
/* Test for SPDIF support */
|
|
if ( AOUT_FMT_NON_LINEAR( &p_aout->output.output ) )
|
|
{
|
|
if( CreateDSBuffer( p_aout, VLC_CODEC_SPDIFL,
|
|
p_aout->output.output.i_physical_channels,
|
|
aout_FormatNbChannels( &p_aout->output.output ),
|
|
p_aout->output.output.i_rate,
|
|
AOUT_SPDIF_SIZE, true )
|
|
== VLC_SUCCESS )
|
|
{
|
|
msg_Dbg( p_aout, "device supports A/52 over S/PDIF" );
|
|
val.i_int = AOUT_VAR_SPDIF;
|
|
text.psz_string = _("A/52 over S/PDIF");
|
|
var_Change( p_aout, "audio-device",
|
|
VLC_VAR_ADDCHOICE, &val, &text );
|
|
if( var_InheritInteger( p_aout, "spdif" ) )
|
|
var_Set( p_aout, "audio-device", val );
|
|
}
|
|
}
|
|
|
|
var_Change( p_aout, "audio-device", VLC_VAR_CHOICESCOUNT, &val, NULL );
|
|
if( val.i_int <= 0 )
|
|
{
|
|
/* Probe() has failed. */
|
|
var_Destroy( p_aout, "audio-device" );
|
|
return;
|
|
}
|
|
|
|
var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
|
|
var_SetBool( p_aout, "intf-change", true );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Play: we'll start playing the directsound buffer here because at least here
|
|
* we know the first buffer has been put in the aout fifo and we also
|
|
* know its date.
|
|
*****************************************************************************/
|
|
static void Play( aout_instance_t *p_aout )
|
|
{
|
|
if( !p_aout->output.p_sys->b_playing )
|
|
{
|
|
aout_buffer_t *p_buffer;
|
|
|
|
p_aout->output.p_sys->b_playing = 1;
|
|
|
|
/* get the playing date of the first aout buffer */
|
|
p_aout->output.p_sys->p_notif->start_date =
|
|
aout_FifoFirstDate( p_aout, &p_aout->output.fifo );
|
|
|
|
/* fill in the first samples */
|
|
for( int i = 0; i < FRAMES_NUM; i++ )
|
|
{
|
|
p_buffer = aout_FifoPop( p_aout, &p_aout->output.fifo );
|
|
if( !p_buffer ) break;
|
|
FillBuffer( p_aout, i, p_buffer );
|
|
}
|
|
|
|
/* wake up the audio output thread */
|
|
SetEvent( p_aout->output.p_sys->p_notif->event );
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* CloseAudio: close the audio device
|
|
*****************************************************************************/
|
|
static void CloseAudio( vlc_object_t *p_this )
|
|
{
|
|
aout_instance_t * p_aout = (aout_instance_t *)p_this;
|
|
aout_sys_t *p_sys = p_aout->output.p_sys;
|
|
|
|
msg_Dbg( p_aout, "closing audio device" );
|
|
|
|
/* kill the position notification thread, if any */
|
|
if( p_sys->p_notif )
|
|
{
|
|
vlc_object_kill( p_sys->p_notif );
|
|
/* wake up the audio thread if needed */
|
|
if( !p_sys->b_playing ) SetEvent( p_sys->p_notif->event );
|
|
|
|
vlc_thread_join( p_sys->p_notif );
|
|
vlc_object_release( p_sys->p_notif );
|
|
}
|
|
|
|
/* release the secondary buffer */
|
|
DestroyDSBuffer( p_aout );
|
|
|
|
/* finally release the DirectSound object */
|
|
if( p_sys->p_dsobject ) IDirectSound_Release( p_sys->p_dsobject );
|
|
|
|
/* free DSOUND.DLL */
|
|
if( p_sys->hdsound_dll ) FreeLibrary( p_sys->hdsound_dll );
|
|
|
|
free( p_aout->output.p_sys->p_device_guid );
|
|
free( p_sys );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* CallBackDirectSoundEnum: callback to enumerate available devices
|
|
*****************************************************************************/
|
|
static int CALLBACK CallBackDirectSoundEnum( LPGUID p_guid, LPCWSTR psz_desc,
|
|
LPCWSTR psz_mod, LPVOID _p_aout )
|
|
{
|
|
VLC_UNUSED( psz_mod );
|
|
|
|
aout_instance_t *p_aout = (aout_instance_t *)_p_aout;
|
|
|
|
char *psz_device = FromWide( psz_desc );
|
|
msg_Dbg( p_aout, "found device: %s", psz_device );
|
|
|
|
if( p_aout->output.p_sys->psz_device &&
|
|
!strcmp(p_aout->output.p_sys->psz_device, psz_device) && p_guid )
|
|
{
|
|
/* Use the device corresponding to psz_device */
|
|
p_aout->output.p_sys->p_device_guid = malloc( sizeof( GUID ) );
|
|
*p_aout->output.p_sys->p_device_guid = *p_guid;
|
|
msg_Dbg( p_aout, "using device: %s", psz_device );
|
|
}
|
|
else
|
|
{
|
|
/* If no default device has been selected, chose the first one */
|
|
if( !p_aout->output.p_sys->psz_device && p_guid )
|
|
{
|
|
p_aout->output.p_sys->psz_device = strdup( psz_device );
|
|
p_aout->output.p_sys->p_device_guid = malloc( sizeof( GUID ) );
|
|
*p_aout->output.p_sys->p_device_guid = *p_guid;
|
|
msg_Dbg( p_aout, "using device: %s", psz_device );
|
|
}
|
|
}
|
|
|
|
free( psz_device );
|
|
return true;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* InitDirectSound: handle all the gory details of DirectSound initialisation
|
|
*****************************************************************************/
|
|
static int InitDirectSound( aout_instance_t *p_aout )
|
|
{
|
|
HRESULT (WINAPI *OurDirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
|
|
HRESULT (WINAPI *OurDirectSoundEnumerate)(LPDSENUMCALLBACKW, LPVOID);
|
|
|
|
p_aout->output.p_sys->hdsound_dll = LoadLibrary("DSOUND.DLL");
|
|
if( p_aout->output.p_sys->hdsound_dll == NULL )
|
|
{
|
|
msg_Warn( p_aout, "cannot open DSOUND.DLL" );
|
|
goto error;
|
|
}
|
|
|
|
OurDirectSoundCreate = (void *)
|
|
GetProcAddress( p_aout->output.p_sys->hdsound_dll,
|
|
"DirectSoundCreate" );
|
|
if( OurDirectSoundCreate == NULL )
|
|
{
|
|
msg_Warn( p_aout, "GetProcAddress FAILED" );
|
|
goto error;
|
|
}
|
|
|
|
/* Get DirectSoundEnumerate */
|
|
OurDirectSoundEnumerate = (void *)
|
|
GetProcAddress( p_aout->output.p_sys->hdsound_dll,
|
|
"DirectSoundEnumerateW" );
|
|
if( OurDirectSoundEnumerate )
|
|
{
|
|
p_aout->output.p_sys->psz_device = var_InheritString(p_aout, "directx-audio-device-name");
|
|
/* Attempt enumeration */
|
|
if( FAILED( OurDirectSoundEnumerate( CallBackDirectSoundEnum,
|
|
p_aout ) ) )
|
|
{
|
|
msg_Dbg( p_aout, "enumeration of DirectSound devices failed" );
|
|
}
|
|
}
|
|
|
|
/* Create the direct sound object */
|
|
if FAILED( OurDirectSoundCreate( p_aout->output.p_sys->p_device_guid,
|
|
&p_aout->output.p_sys->p_dsobject,
|
|
NULL ) )
|
|
{
|
|
msg_Warn( p_aout, "cannot create a direct sound device" );
|
|
goto error;
|
|
}
|
|
|
|
/* Set DirectSound Cooperative level, ie what control we want over Windows
|
|
* sound device. In our case, DSSCL_EXCLUSIVE means that we can modify the
|
|
* settings of the primary buffer, but also that only the sound of our
|
|
* application will be hearable when it will have the focus.
|
|
* !!! (this is not really working as intended yet because to set the
|
|
* cooperative level you need the window handle of your application, and
|
|
* I don't know of any easy way to get it. Especially since we might play
|
|
* sound without any video, and so what window handle should we use ???
|
|
* The hack for now is to use the Desktop window handle - it seems to be
|
|
* working */
|
|
if( IDirectSound_SetCooperativeLevel( p_aout->output.p_sys->p_dsobject,
|
|
GetDesktopWindow(),
|
|
DSSCL_EXCLUSIVE) )
|
|
{
|
|
msg_Warn( p_aout, "cannot set direct sound cooperative level" );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
error:
|
|
p_aout->output.p_sys->p_dsobject = NULL;
|
|
if( p_aout->output.p_sys->hdsound_dll )
|
|
{
|
|
FreeLibrary( p_aout->output.p_sys->hdsound_dll );
|
|
p_aout->output.p_sys->hdsound_dll = NULL;
|
|
}
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* CreateDSBuffer: Creates a direct sound buffer of the required format.
|
|
*****************************************************************************
|
|
* This function creates the buffer we'll use to play audio.
|
|
* In DirectSound there are two kinds of buffers:
|
|
* - the primary buffer: which is the actual buffer that the soundcard plays
|
|
* - the secondary buffer(s): these buffers are the one actually used by
|
|
* applications and DirectSound takes care of mixing them into the primary.
|
|
*
|
|
* Once you create a secondary buffer, you cannot change its format anymore so
|
|
* you have to release the current one and create another.
|
|
*****************************************************************************/
|
|
static int CreateDSBuffer( aout_instance_t *p_aout, int i_format,
|
|
int i_channels, int i_nb_channels, int i_rate,
|
|
int i_bytes_per_frame, bool b_probe )
|
|
{
|
|
WAVEFORMATEXTENSIBLE waveformat;
|
|
DSBUFFERDESC dsbdesc;
|
|
unsigned int i;
|
|
|
|
/* First set the sound buffer format */
|
|
waveformat.dwChannelMask = 0;
|
|
for( i = 0; i < sizeof(pi_channels_src)/sizeof(uint32_t); i++ )
|
|
{
|
|
if( i_channels & pi_channels_src[i] )
|
|
waveformat.dwChannelMask |= pi_channels_in[i];
|
|
}
|
|
|
|
switch( i_format )
|
|
{
|
|
case VLC_CODEC_SPDIFL:
|
|
i_nb_channels = 2;
|
|
/* To prevent channel re-ordering */
|
|
waveformat.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
|
|
waveformat.Format.wBitsPerSample = 16;
|
|
waveformat.Samples.wValidBitsPerSample =
|
|
waveformat.Format.wBitsPerSample;
|
|
waveformat.Format.wFormatTag = WAVE_FORMAT_DOLBY_AC3_SPDIF;
|
|
waveformat.SubFormat = _KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF;
|
|
break;
|
|
|
|
case VLC_CODEC_FL32:
|
|
waveformat.Format.wBitsPerSample = sizeof(float) * 8;
|
|
waveformat.Samples.wValidBitsPerSample =
|
|
waveformat.Format.wBitsPerSample;
|
|
waveformat.Format.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
|
|
waveformat.SubFormat = _KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
|
|
break;
|
|
|
|
case VLC_CODEC_S16L:
|
|
waveformat.Format.wBitsPerSample = 16;
|
|
waveformat.Samples.wValidBitsPerSample =
|
|
waveformat.Format.wBitsPerSample;
|
|
waveformat.Format.wFormatTag = WAVE_FORMAT_PCM;
|
|
waveformat.SubFormat = _KSDATAFORMAT_SUBTYPE_PCM;
|
|
break;
|
|
}
|
|
|
|
waveformat.Format.nChannels = i_nb_channels;
|
|
waveformat.Format.nSamplesPerSec = i_rate;
|
|
waveformat.Format.nBlockAlign =
|
|
waveformat.Format.wBitsPerSample / 8 * i_nb_channels;
|
|
waveformat.Format.nAvgBytesPerSec =
|
|
waveformat.Format.nSamplesPerSec * waveformat.Format.nBlockAlign;
|
|
|
|
p_aout->output.p_sys->i_bits_per_sample = waveformat.Format.wBitsPerSample;
|
|
p_aout->output.p_sys->i_channels = i_nb_channels;
|
|
|
|
/* Then fill in the direct sound descriptor */
|
|
memset(&dsbdesc, 0, sizeof(DSBUFFERDESC));
|
|
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
|
|
dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2/* Better position accuracy */
|
|
| DSBCAPS_GLOBALFOCUS; /* Allows background playing */
|
|
|
|
/* Only use the new WAVE_FORMAT_EXTENSIBLE format for multichannel audio */
|
|
if( i_nb_channels <= 2 )
|
|
{
|
|
waveformat.Format.cbSize = 0;
|
|
}
|
|
else
|
|
{
|
|
waveformat.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
|
waveformat.Format.cbSize =
|
|
sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
|
|
|
|
/* Needed for 5.1 on emu101k */
|
|
dsbdesc.dwFlags |= DSBCAPS_LOCHARDWARE;
|
|
}
|
|
|
|
dsbdesc.dwBufferBytes = FRAMES_NUM * i_bytes_per_frame; /* buffer size */
|
|
dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&waveformat;
|
|
|
|
if FAILED( IDirectSound_CreateSoundBuffer(
|
|
p_aout->output.p_sys->p_dsobject, &dsbdesc,
|
|
&p_aout->output.p_sys->p_dsbuffer, NULL) )
|
|
{
|
|
if( dsbdesc.dwFlags & DSBCAPS_LOCHARDWARE )
|
|
{
|
|
/* Try without DSBCAPS_LOCHARDWARE */
|
|
dsbdesc.dwFlags &= ~DSBCAPS_LOCHARDWARE;
|
|
if FAILED( IDirectSound_CreateSoundBuffer(
|
|
p_aout->output.p_sys->p_dsobject, &dsbdesc,
|
|
&p_aout->output.p_sys->p_dsbuffer, NULL) )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
if( !b_probe )
|
|
msg_Dbg( p_aout, "couldn't use hardware sound buffer" );
|
|
}
|
|
else
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
}
|
|
|
|
/* Stop here if we were just probing */
|
|
if( b_probe )
|
|
{
|
|
IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer );
|
|
p_aout->output.p_sys->p_dsbuffer = NULL;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
p_aout->output.p_sys->i_frame_size = i_bytes_per_frame;
|
|
p_aout->output.p_sys->i_channel_mask = waveformat.dwChannelMask;
|
|
p_aout->output.p_sys->b_chan_reorder =
|
|
aout_CheckChannelReorder( pi_channels_in, pi_channels_out,
|
|
waveformat.dwChannelMask, i_nb_channels,
|
|
p_aout->output.p_sys->pi_chan_table );
|
|
|
|
if( p_aout->output.p_sys->b_chan_reorder )
|
|
{
|
|
msg_Dbg( p_aout, "channel reordering needed" );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* CreateDSBufferPCM: creates a PCM direct sound buffer.
|
|
*****************************************************************************
|
|
* We first try to create a WAVE_FORMAT_IEEE_FLOAT buffer if supported by
|
|
* the hardware, otherwise we create a WAVE_FORMAT_PCM buffer.
|
|
****************************************************************************/
|
|
static int CreateDSBufferPCM( aout_instance_t *p_aout, vlc_fourcc_t *i_format,
|
|
int i_channels, int i_nb_channels, int i_rate,
|
|
bool b_probe )
|
|
{
|
|
/* Float32 audio samples are not supported for 5.1 output on the emu101k */
|
|
if( !var_GetBool( p_aout, "directx-audio-float32" ) ||
|
|
i_nb_channels > 2 ||
|
|
CreateDSBuffer( p_aout, VLC_CODEC_FL32,
|
|
i_channels, i_nb_channels, i_rate,
|
|
FRAME_SIZE * 4 * i_nb_channels, b_probe )
|
|
!= VLC_SUCCESS )
|
|
{
|
|
if ( CreateDSBuffer( p_aout, VLC_CODEC_S16L,
|
|
i_channels, i_nb_channels, i_rate,
|
|
FRAME_SIZE * 2 * i_nb_channels, b_probe )
|
|
!= VLC_SUCCESS )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
else
|
|
{
|
|
*i_format = VLC_CODEC_S16L;
|
|
return VLC_SUCCESS;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*i_format = VLC_CODEC_FL32;
|
|
return VLC_SUCCESS;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DestroyDSBuffer
|
|
*****************************************************************************
|
|
* This function destroys the secondary buffer.
|
|
*****************************************************************************/
|
|
static void DestroyDSBuffer( aout_instance_t *p_aout )
|
|
{
|
|
if( p_aout->output.p_sys->p_dsbuffer )
|
|
{
|
|
IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer );
|
|
p_aout->output.p_sys->p_dsbuffer = NULL;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* FillBuffer: Fill in one of the direct sound frame buffers.
|
|
*****************************************************************************
|
|
* Returns VLC_SUCCESS on success.
|
|
*****************************************************************************/
|
|
static int FillBuffer( aout_instance_t *p_aout, int i_frame,
|
|
aout_buffer_t *p_buffer )
|
|
{
|
|
notification_thread_t *p_notif = p_aout->output.p_sys->p_notif;
|
|
aout_sys_t *p_sys = p_aout->output.p_sys;
|
|
void *p_write_position, *p_wrap_around;
|
|
unsigned long l_bytes1, l_bytes2;
|
|
HRESULT dsresult;
|
|
|
|
/* Before copying anything, we have to lock the buffer */
|
|
dsresult = IDirectSoundBuffer_Lock(
|
|
p_sys->p_dsbuffer, /* DS buffer */
|
|
i_frame * p_notif->i_frame_size, /* Start offset */
|
|
p_notif->i_frame_size, /* Number of bytes */
|
|
&p_write_position, /* Address of lock start */
|
|
&l_bytes1, /* Count of bytes locked before wrap around */
|
|
&p_wrap_around, /* Buffer adress (if wrap around) */
|
|
&l_bytes2, /* Count of bytes after wrap around */
|
|
0 ); /* Flags */
|
|
if( dsresult == DSERR_BUFFERLOST )
|
|
{
|
|
IDirectSoundBuffer_Restore( p_sys->p_dsbuffer );
|
|
dsresult = IDirectSoundBuffer_Lock(
|
|
p_sys->p_dsbuffer,
|
|
i_frame * p_notif->i_frame_size,
|
|
p_notif->i_frame_size,
|
|
&p_write_position,
|
|
&l_bytes1,
|
|
&p_wrap_around,
|
|
&l_bytes2,
|
|
0 );
|
|
}
|
|
if( dsresult != DS_OK )
|
|
{
|
|
msg_Warn( p_notif, "cannot lock buffer" );
|
|
if( p_buffer ) aout_BufferFree( p_buffer );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
if( p_buffer == NULL )
|
|
{
|
|
memset( p_write_position, 0, l_bytes1 );
|
|
}
|
|
else
|
|
{
|
|
if( p_sys->b_chan_reorder )
|
|
{
|
|
/* Do the channel reordering here */
|
|
aout_ChannelReorder( p_buffer->p_buffer, p_buffer->i_buffer,
|
|
p_sys->i_channels, p_sys->pi_chan_table,
|
|
p_sys->i_bits_per_sample );
|
|
}
|
|
|
|
vlc_memcpy( p_write_position, p_buffer->p_buffer, l_bytes1 );
|
|
aout_BufferFree( p_buffer );
|
|
}
|
|
|
|
/* Now the data has been copied, unlock the buffer */
|
|
IDirectSoundBuffer_Unlock( p_sys->p_dsbuffer, p_write_position, l_bytes1,
|
|
p_wrap_around, l_bytes2 );
|
|
|
|
p_notif->i_write_slot = (i_frame + 1) % FRAMES_NUM;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DirectSoundThread: this thread will capture play notification events.
|
|
*****************************************************************************
|
|
* We use this thread to emulate a callback mechanism. The thread probes for
|
|
* event notification and fills up the DS secondary buffer when needed.
|
|
*****************************************************************************/
|
|
static void* DirectSoundThread( vlc_object_t *p_this )
|
|
{
|
|
notification_thread_t *p_notif = (notification_thread_t*)p_this;
|
|
aout_instance_t *p_aout = p_notif->p_aout;
|
|
mtime_t last_time;
|
|
int canc = vlc_savecancel ();
|
|
|
|
/* We don't want any resampling when using S/PDIF output */
|
|
bool b_sleek = (p_aout->output.output.i_format == VLC_CODEC_SPDIFL);
|
|
|
|
msg_Dbg( p_notif, "DirectSoundThread ready" );
|
|
|
|
/* Wait here until Play() is called */
|
|
WaitForSingleObject( p_notif->event, INFINITE );
|
|
|
|
if( vlc_object_alive (p_notif) )
|
|
{
|
|
HRESULT dsresult;
|
|
mwait( p_notif->start_date - AOUT_PTS_TOLERANCE / 2 );
|
|
|
|
/* start playing the buffer */
|
|
dsresult = IDirectSoundBuffer_Play( p_aout->output.p_sys->p_dsbuffer,
|
|
0, /* Unused */
|
|
0, /* Unused */
|
|
DSBPLAY_LOOPING ); /* Flags */
|
|
if( dsresult == DSERR_BUFFERLOST )
|
|
{
|
|
IDirectSoundBuffer_Restore( p_aout->output.p_sys->p_dsbuffer );
|
|
dsresult = IDirectSoundBuffer_Play(
|
|
p_aout->output.p_sys->p_dsbuffer,
|
|
0, /* Unused */
|
|
0, /* Unused */
|
|
DSBPLAY_LOOPING ); /* Flags */
|
|
}
|
|
if( dsresult != DS_OK )
|
|
{
|
|
msg_Err( p_aout, "cannot start playing buffer" );
|
|
}
|
|
}
|
|
last_time = mdate();
|
|
|
|
while( vlc_object_alive (p_notif) )
|
|
{
|
|
DWORD l_read;
|
|
int l_queued = 0, l_free_slots;
|
|
unsigned i_frame_siz = p_aout->output.i_nb_samples;
|
|
mtime_t mtime = mdate();
|
|
int i;
|
|
|
|
/*
|
|
* Fill in as much audio data as we can in our circular buffer
|
|
*/
|
|
|
|
/* Find out current play position */
|
|
if FAILED( IDirectSoundBuffer_GetCurrentPosition(
|
|
p_aout->output.p_sys->p_dsbuffer, &l_read, NULL ) )
|
|
{
|
|
msg_Err( p_aout, "GetCurrentPosition() failed!" );
|
|
l_read = 0;
|
|
}
|
|
|
|
/* Detect underruns */
|
|
if( l_queued && mtime - last_time >
|
|
INT64_C(1000000) * l_queued / p_aout->output.output.i_rate )
|
|
{
|
|
msg_Dbg( p_aout, "detected underrun!" );
|
|
}
|
|
last_time = mtime;
|
|
|
|
/* Try to fill in as many frame buffers as possible */
|
|
l_read /= (p_aout->output.output.i_bytes_per_frame /
|
|
p_aout->output.output.i_frame_length);
|
|
l_queued = p_notif->i_write_slot * i_frame_siz - l_read;
|
|
if( l_queued < 0 ) l_queued += (i_frame_siz * FRAMES_NUM);
|
|
l_free_slots = (FRAMES_NUM * i_frame_siz - l_queued) / i_frame_siz;
|
|
|
|
for( i = 0; i < l_free_slots; i++ )
|
|
{
|
|
aout_buffer_t *p_buffer = aout_OutputNextBuffer( p_aout,
|
|
mtime + INT64_C(1000000) * (i * i_frame_siz + l_queued) /
|
|
p_aout->output.output.i_rate, b_sleek );
|
|
|
|
/* If there is no audio data available and we have some buffered
|
|
* already, then just wait for the next time */
|
|
if( !p_buffer && (i || l_queued / i_frame_siz) ) break;
|
|
|
|
if( FillBuffer( p_aout, p_notif->i_write_slot % FRAMES_NUM,
|
|
p_buffer ) != VLC_SUCCESS ) break;
|
|
}
|
|
|
|
/* Sleep a reasonable amount of time */
|
|
l_queued += (i * i_frame_siz);
|
|
msleep( INT64_C(1000000) * l_queued / p_aout->output.output.i_rate / 2 );
|
|
}
|
|
|
|
/* make sure the buffer isn't playing */
|
|
IDirectSoundBuffer_Stop( p_aout->output.p_sys->p_dsbuffer );
|
|
|
|
/* free the event */
|
|
CloseHandle( p_notif->event );
|
|
|
|
vlc_restorecancel (canc);
|
|
msg_Dbg( p_notif, "DirectSoundThread exiting" );
|
|
return NULL;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* CallBackConfigNBEnum: callback to get the number of available devices
|
|
*****************************************************************************/
|
|
static int CALLBACK CallBackConfigNBEnum( LPGUID p_guid, LPCWSTR psz_desc,
|
|
LPCWSTR psz_mod, LPVOID p_nb )
|
|
{
|
|
VLC_UNUSED( psz_mod ); VLC_UNUSED( psz_desc ); VLC_UNUSED( p_guid );
|
|
|
|
int * a = (int *)p_nb;
|
|
(*a)++;
|
|
return true;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* CallBackConfigEnum: callback to add available devices to the preferences list
|
|
*****************************************************************************/
|
|
static int CALLBACK CallBackConfigEnum( LPGUID p_guid, LPCWSTR psz_desc,
|
|
LPCWSTR psz_mod, LPVOID _p_item )
|
|
{
|
|
VLC_UNUSED( psz_mod ); VLC_UNUSED( p_guid );
|
|
|
|
module_config_t *p_item = (module_config_t *) _p_item;
|
|
|
|
p_item->ppsz_list[p_item->i_list] = FromWide( psz_desc );
|
|
p_item->ppsz_list_text[p_item->i_list] = FromWide( psz_desc );
|
|
p_item->i_list++;
|
|
return true;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* ReloadDirectXDevices: store the list of devices in preferences
|
|
*****************************************************************************/
|
|
static int ReloadDirectXDevices( vlc_object_t *p_this, char const *psz_name,
|
|
vlc_value_t newval, vlc_value_t oldval, void *data )
|
|
{
|
|
VLC_UNUSED( newval ); VLC_UNUSED( oldval ); VLC_UNUSED( data );
|
|
|
|
module_config_t *p_item = config_FindConfig( p_this, psz_name );
|
|
if( !p_item ) return VLC_SUCCESS;
|
|
|
|
/* Clear-up the current list */
|
|
if( p_item->i_list )
|
|
{
|
|
for( int i = 0; i < p_item->i_list; i++ )
|
|
{
|
|
free((char *)(p_item->ppsz_list[i]) );
|
|
free((char *)(p_item->ppsz_list_text[i]) );
|
|
}
|
|
}
|
|
|
|
HRESULT (WINAPI *OurDirectSoundEnumerate)(LPDSENUMCALLBACKW, LPVOID);
|
|
|
|
HANDLE hdsound_dll = LoadLibrary("DSOUND.DLL");
|
|
if( hdsound_dll == NULL )
|
|
{
|
|
msg_Warn( p_this, "cannot open DSOUND.DLL" );
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/* Get DirectSoundEnumerate */
|
|
OurDirectSoundEnumerate = (void *)
|
|
GetProcAddress( hdsound_dll, "DirectSoundEnumerateW" );
|
|
|
|
if( OurDirectSoundEnumerate == NULL )
|
|
goto error;
|
|
|
|
int nb_devices = 0;
|
|
OurDirectSoundEnumerate(CallBackConfigNBEnum, &nb_devices);
|
|
msg_Dbg(p_this,"found %d devices", nb_devices);
|
|
|
|
p_item->ppsz_list = xrealloc( p_item->ppsz_list,
|
|
nb_devices * sizeof(char *) );
|
|
p_item->ppsz_list_text = xrealloc( p_item->ppsz_list_text,
|
|
nb_devices * sizeof(char *) );
|
|
|
|
p_item->i_list = 0;
|
|
OurDirectSoundEnumerate(CallBackConfigEnum, p_item);
|
|
|
|
/* Signal change to the interface */
|
|
p_item->b_dirty = true;
|
|
|
|
error:
|
|
FreeLibrary(hdsound_dll);
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|