X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Faudio_output%2Fdirectx.c;h=6c7228e7dc1ae657d98e1b8c5bdac2532146a685;hb=1172bcd38c3382983662782040e49fdada1f6cef;hp=3f4ee3f160114f6a6ff530877f19a44c84457223;hpb=f5991d12c83942d0717c112f2e8cc498c9ce6104;p=vlc diff --git a/modules/audio_output/directx.c b/modules/audio_output/directx.c index 3f4ee3f160..6c7228e7dc 100644 --- a/modules/audio_output/directx.c +++ b/modules/audio_output/directx.c @@ -1,10 +1,10 @@ /***************************************************************************** * directx.c: Windows DirectX audio output method ***************************************************************************** - * Copyright (C) 2001 VideoLAN - * $Id: directx.c,v 1.5 2002/10/28 22:31:49 gbazin Exp $ + * Copyright (C) 2001 the VideoLAN team + * $Id$ * - * Authors: Gildas Bazin + * Authors: Gildas Bazin * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,27 +18,28 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ -#include /* ENOMEM */ -#include /* open(), O_WRONLY */ -#include /* strerror() */ -#include /* calloc(), malloc(), free() */ -#include -#include -#include "aout_internal.h" +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include #include #include #include -#define FRAME_SIZE 2048 /* The size is in samples, not in bytes */ +#define FRAME_SIZE ((int)p_aout->output.output.i_rate/20) /* Size in samples */ +#define FRAMES_NUM 8 /* Needs to be > 3 */ /***************************************************************************** * DirectSound GUIDs. @@ -46,7 +47,6 @@ * the linking stage. *****************************************************************************/ #include -DEFINE_GUID(IID_IDirectSoundNotify, 0xb0210783, 0x89cd, 0x11d0, 0xaf, 0x8, 0x0, 0xa0, 0xc9, 0x25, 0xcd, 0x16); /***************************************************************************** * Useful macros @@ -55,6 +55,85 @@ DEFINE_GUID(IID_IDirectSoundNotify, 0xb0210783, 0x89cd, 0x11d0, 0xaf, 0x8, 0x0, # define WAVE_FORMAT_IEEE_FLOAT 0x0003 #endif +#ifndef WAVE_FORMAT_DOLBY_AC3_SPDIF +# define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 +#endif + +#ifndef WAVE_FORMAT_EXTENSIBLE +#define WAVE_FORMAT_EXTENSIBLE 0xFFFE +#endif + +#ifndef SPEAKER_FRONT_LEFT +# define SPEAKER_FRONT_LEFT 0x1 +# define SPEAKER_FRONT_RIGHT 0x2 +# define SPEAKER_FRONT_CENTER 0x4 +# define SPEAKER_LOW_FREQUENCY 0x8 +# define SPEAKER_BACK_LEFT 0x10 +# define SPEAKER_BACK_RIGHT 0x20 +# define SPEAKER_FRONT_LEFT_OF_CENTER 0x40 +# define SPEAKER_FRONT_RIGHT_OF_CENTER 0x80 +# define SPEAKER_BACK_CENTER 0x100 +# define SPEAKER_SIDE_LEFT 0x200 +# define SPEAKER_SIDE_RIGHT 0x400 +# define SPEAKER_TOP_CENTER 0x800 +# define SPEAKER_TOP_FRONT_LEFT 0x1000 +# define SPEAKER_TOP_FRONT_CENTER 0x2000 +# define SPEAKER_TOP_FRONT_RIGHT 0x4000 +# define SPEAKER_TOP_BACK_LEFT 0x8000 +# define SPEAKER_TOP_BACK_CENTER 0x10000 +# define SPEAKER_TOP_BACK_RIGHT 0x20000 +# define SPEAKER_RESERVED 0x80000000 +#endif + +#ifndef DSSPEAKER_DSSPEAKER_DIRECTOUT +# define DSSPEAKER_DSSPEAKER_DIRECTOUT 0x00000000 +#endif +#ifndef DSSPEAKER_HEADPHONE +# define DSSPEAKER_HEADPHONE 0x00000001 +#endif +#ifndef DSSPEAKER_MONO +# define DSSPEAKER_MONO 0x00000002 +#endif +#ifndef DSSPEAKER_QUAD +# define DSSPEAKER_QUAD 0x00000003 +#endif +#ifndef DSSPEAKER_STEREO +# define DSSPEAKER_STEREO 0x00000004 +#endif +#ifndef DSSPEAKER_SURROUND +# define DSSPEAKER_SURROUND 0x00000005 +#endif +#ifndef DSSPEAKER_5POINT1 +# define DSSPEAKER_5POINT1 0x00000006 +#endif +#ifndef DSSPEAKER_7POINT1 +# define DSSPEAKER_7POINT1 0x00000007 +#endif +#ifndef DSSPEAKER_7POINT1_SURROUND +# define DSSPEAKER_7POINT1_SURROUND 0x00000008 +#endif +#ifndef DSSPEAKER_7POINT1_WIDE +# define DSSPEAKER_7POINT1_WIDE DSSPEAKER_7POINT1 +#endif + +#ifndef _WAVEFORMATEXTENSIBLE_ +typedef struct { + WAVEFORMATEX Format; + union { + WORD wValidBitsPerSample; /* bits of precision */ + WORD wSamplesPerBlock; /* valid if wBitsPerSample==0 */ + WORD wReserved; /* If neither applies, set to zero. */ + } Samples; + DWORD dwChannelMask; /* which channels are */ + /* present in stream */ + GUID SubFormat; +} WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE; +#endif + +DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, WAVE_FORMAT_IEEE_FLOAT, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 ); +DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_PCM, WAVE_FORMAT_PCM, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 ); +DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF, WAVE_FORMAT_DOLBY_AC3_SPDIF, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 ); + /***************************************************************************** * notification_thread_t: DirectX event thread *****************************************************************************/ @@ -62,9 +141,12 @@ typedef struct notification_thread_t { VLC_COMMON_MEMBERS - aout_instance_t * p_aout; - DSBPOSITIONNOTIFY p_events[2]; /* play notification events */ - int i_buffer_size; /* Size in bytes of one frame */ + aout_instance_t *p_aout; + int i_frame_size; /* size in bytes of one frame */ + int i_write_slot; /* current write position in our circular buffer */ + + mtime_t start_date; + HANDLE event; } notification_thread_t; @@ -76,44 +158,84 @@ typedef struct notification_thread_t *****************************************************************************/ struct aout_sys_t { - LPDIRECTSOUND p_dsobject; /* main Direct Sound object */ + HINSTANCE hdsound_dll; /* handle of the opened dsound dll */ - LPDIRECTSOUNDBUFFER p_dsbuffer_primary; /* the actual sound card buffer - (not used directly) */ + int i_device_id; /* user defined device */ + LPGUID p_device_guid; + LPDIRECTSOUND p_dsobject; /* main Direct Sound object */ LPDIRECTSOUNDBUFFER p_dsbuffer; /* the sound buffer we use (direct sound * takes care of mixing all the * secondary buffers into the primary) */ - LPDIRECTSOUNDNOTIFY p_dsnotify; /* the position notify interface */ + notification_thread_t *p_notif; /* DirectSoundThread id */ - HINSTANCE hdsound_dll; /* handle of the opened dsound dll */ + int b_playing; /* playing status */ - notification_thread_t * p_notif; /* DirectSoundThread id */ + int i_frame_size; /* Size in bytes of one frame */ + bool b_chan_reorder; /* do we need channel reordering */ + int pi_chan_table[AOUT_CHAN_MAX]; + uint32_t i_channel_mask; + uint32_t i_bits_per_sample; + uint32_t i_channels; }; +static const uint32_t pi_channels_src[] = + { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, + AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT, + AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, + AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 }; +static const uint32_t pi_channels_in[] = + { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT, + SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, + SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT, + SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY, 0 }; +static const uint32_t pi_channels_out[] = + { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT, + SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY, + SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT, + SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, 0 }; + /***************************************************************************** * Local prototypes. *****************************************************************************/ static int OpenAudio ( vlc_object_t * ); static void CloseAudio ( vlc_object_t * ); - static void Play ( aout_instance_t * ); /* local functions */ -static int DirectxCreateSecondaryBuffer ( aout_instance_t * ); -static void DirectxDestroySecondaryBuffer( aout_instance_t * ); -static int DirectxInitDSound ( aout_instance_t * ); -static void DirectSoundThread ( notification_thread_t * ); +static void Probe ( aout_instance_t * ); +static int InitDirectSound ( aout_instance_t * ); +static int CreateDSBuffer ( aout_instance_t *, int, int, int, int, int, bool ); +static int CreateDSBufferPCM ( aout_instance_t *, int*, int, int, int, bool ); +static void DestroyDSBuffer ( aout_instance_t * ); +static void DirectSoundThread ( notification_thread_t * ); +static int FillBuffer ( aout_instance_t *, int, aout_buffer_t * ); /***************************************************************************** * Module descriptor *****************************************************************************/ +#define DEVICE_TEXT N_("Output device") +#define DEVICE_LONGTEXT N_( \ + "DirectX device number: 0 default device, 1..N device by number" \ + "(Note that the default device appears as 0 AND another number)." ) +#define FLOAT_TEXT N_("Use float32 output") +#define FLOAT_LONGTEXT N_( \ + "The option allows you to enable or disable the high-quality float32 " \ + "audio output mode (which is not well supported by some soundcards)." ) + vlc_module_begin(); - set_description( _("DirectX audio module") ); + set_description( N_("DirectX audio output") ); + set_shortname( "DirectX" ); set_capability( "audio output", 100 ); + set_category( CAT_AUDIO ); + set_subcategory( SUBCAT_AUDIO_AOUT ); add_shortcut( "directx" ); + add_integer( "directx-audio-device", 0, NULL, DEVICE_TEXT, + DEVICE_LONGTEXT, true ); + add_bool( "directx-audio-float32", 0, 0, FLOAT_TEXT, + FLOAT_LONGTEXT, true ); set_callbacks( OpenAudio, CloseAudio ); vlc_module_end(); @@ -125,108 +247,159 @@ vlc_module_end(); static int OpenAudio( vlc_object_t *p_this ) { aout_instance_t * p_aout = (aout_instance_t *)p_this; - HRESULT dsresult; - DSBUFFERDESC dsbuffer_desc; + vlc_value_t val; - msg_Dbg( p_aout, "Open" ); + msg_Dbg( p_aout, "OpenAudio" ); /* Allocate structure */ p_aout->output.p_sys = malloc( sizeof( aout_sys_t ) ); if( p_aout->output.p_sys == NULL ) - { - msg_Err( p_aout, "out of memory" ); - return VLC_EGENERIC; - } + return VLC_ENOMEM; /* Initialize some variables */ p_aout->output.p_sys->p_dsobject = NULL; - p_aout->output.p_sys->p_dsbuffer_primary = NULL; p_aout->output.p_sys->p_dsbuffer = NULL; - p_aout->output.p_sys->p_dsnotify = NULL; p_aout->output.p_sys->p_notif = NULL; + p_aout->output.p_sys->b_playing = 0; p_aout->output.pf_play = Play; aout_VolumeSoftInit( p_aout ); + /* Retrieve config values */ + var_Create( p_aout, "directx-audio-float32", + VLC_VAR_BOOL | VLC_VAR_DOINHERIT ); + var_Create( p_aout, "directx-audio-device", + VLC_VAR_INTEGER|VLC_VAR_DOINHERIT ); + var_Get( p_aout, "directx-audio-device", &val ); + p_aout->output.p_sys->i_device_id = val.i_int; + p_aout->output.p_sys->p_device_guid = 0; + /* Initialise DirectSound */ - if( DirectxInitDSound( p_aout ) ) + if( InitDirectSound( p_aout ) ) { msg_Err( p_aout, "cannot initialize DirectSound" ); goto error; } - /* Obtain (not create) Direct Sound primary buffer */ - memset( &dsbuffer_desc, 0, sizeof(DSBUFFERDESC) ); - dsbuffer_desc.dwSize = sizeof(DSBUFFERDESC); - dsbuffer_desc.dwFlags = DSBCAPS_PRIMARYBUFFER; - msg_Warn( p_aout, "create direct sound primary buffer" ); - dsresult = IDirectSound_CreateSoundBuffer(p_aout->output.p_sys->p_dsobject, - &dsbuffer_desc, - &p_aout->output.p_sys->p_dsbuffer_primary, - NULL); - if( dsresult != DS_OK ) + if( var_Type( p_aout, "audio-device" ) == 0 ) { - msg_Err( p_aout, "cannot create direct sound primary buffer" ); - goto error; + Probe( p_aout ); } - /* Now we need to setup DirectSound play notification */ - p_aout->output.p_sys->p_notif = - vlc_object_create( p_aout, sizeof(notification_thread_t) ); - p_aout->output.p_sys->p_notif->p_aout = p_aout; - - /* first we need to create the notification events */ - p_aout->output.p_sys->p_notif->p_events[0].hEventNotify = - CreateEvent( NULL, FALSE, FALSE, NULL ); - p_aout->output.p_sys->p_notif->p_events[1].hEventNotify = - CreateEvent( NULL, FALSE, FALSE, NULL ); - - /* then create a new secondary buffer */ - p_aout->output.output.i_format = VLC_FOURCC('f','l','3','2'); - if( DirectxCreateSecondaryBuffer( p_aout ) ) + if( var_Get( p_aout, "audio-device", &val ) < 0 ) { - msg_Err( p_aout, "cannot create WAVE_FORMAT_IEEE_FLOAT buffer" ); + /* Probe() has failed. */ + goto error; + } - p_aout->output.output.i_format = VLC_FOURCC('s','1','6','l'); - if( DirectxCreateSecondaryBuffer( p_aout ) ) + /* Open the device */ + if( val.i_int == AOUT_VAR_SPDIF ) + { + p_aout->output.output.i_format = VLC_FOURCC('s','p','d','i'); + + /* Calculate the frame size in bytes */ + p_aout->output.i_nb_samples = A52_FRAME_NB; + p_aout->output.output.i_bytes_per_frame = AOUT_SPDIF_SIZE; + p_aout->output.output.i_frame_length = A52_FRAME_NB; + p_aout->output.p_sys->i_frame_size = + p_aout->output.output.i_bytes_per_frame; + + if( CreateDSBuffer( p_aout, VLC_FOURCC('s','p','d','i'), + p_aout->output.output.i_physical_channels, + aout_FormatNbChannels( &p_aout->output.output ), + p_aout->output.output.i_rate, + p_aout->output.p_sys->i_frame_size, false ) + != VLC_SUCCESS ) { - msg_Err( p_aout, "cannot create WAVE_FORMAT_PCM buffer" ); - return 1; + msg_Err( p_aout, "cannot open directx audio device" ); + free( p_aout->output.p_sys ); + return VLC_EGENERIC; } - } - /* 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 */ + aout_VolumeNoneInit( p_aout ); } - if( dsresult != DS_OK ) + else { - msg_Warn( p_aout, "cannot play buffer" ); + if( val.i_int == AOUT_VAR_5_1 ) + { + p_aout->output.output.i_physical_channels + = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER + | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT + | AOUT_CHAN_LFE; + } + else if( val.i_int == AOUT_VAR_7_1 ) + { + p_aout->output.output.i_physical_channels + = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER + | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT + | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT + | AOUT_CHAN_LFE; + } + else if( val.i_int == AOUT_VAR_3F2R ) + { + p_aout->output.output.i_physical_channels + = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER + | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT; + } + else if( val.i_int == AOUT_VAR_2F2R ) + { + p_aout->output.output.i_physical_channels + = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT + | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT; + } + else if( val.i_int == AOUT_VAR_MONO ) + { + p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER; + } + else + { + p_aout->output.output.i_physical_channels + = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT; + } + + if( CreateDSBufferPCM( p_aout, &p_aout->output.output.i_format, + p_aout->output.output.i_physical_channels, + aout_FormatNbChannels( &p_aout->output.output ), + p_aout->output.output.i_rate, false ) + != VLC_SUCCESS ) + { + msg_Err( p_aout, "cannot open directx audio device" ); + free( p_aout->output.p_sys ); + return VLC_EGENERIC; + } + + /* Calculate the frame size in bytes */ + p_aout->output.i_nb_samples = FRAME_SIZE; + aout_FormatPrepare( &p_aout->output.output ); + aout_VolumeSoftInit( p_aout ); } + /* Now we need to setup our DirectSound play notification structure */ + p_aout->output.p_sys->p_notif = + vlc_object_create( p_aout, sizeof(notification_thread_t) ); + p_aout->output.p_sys->p_notif->p_aout = p_aout; + + p_aout->output.p_sys->p_notif->event = CreateEvent( 0, FALSE, FALSE, 0 ); + p_aout->output.p_sys->p_notif->i_frame_size = + p_aout->output.p_sys->i_frame_size; + /* then launch the notification thread */ msg_Dbg( p_aout, "creating DirectSoundThread" ); if( vlc_thread_create( p_aout->output.p_sys->p_notif, "DirectSound Notification Thread", DirectSoundThread, - THREAD_PRIORITY_TIME_CRITICAL, 1 ) ) + VLC_THREAD_PRIORITY_HIGHEST, false ) ) { msg_Err( p_aout, "cannot create DirectSoundThread" ); + CloseHandle( p_aout->output.p_sys->p_notif->event ); + vlc_object_release( p_aout->output.p_sys->p_notif ); + p_aout->output.p_sys->p_notif = NULL; goto error; } vlc_object_attach( p_aout->output.p_sys->p_notif, p_aout ); - return 0; + return VLC_SUCCESS; error: CloseAudio( VLC_OBJECT(p_aout) ); @@ -234,10 +407,239 @@ static int OpenAudio( vlc_object_t *p_this ) } /***************************************************************************** - * Play: nothing to do + * Probe: probe the audio device for available formats and channels + *****************************************************************************/ +static void Probe( aout_instance_t * p_aout ) +{ + vlc_value_t val, text; + int i_format; + unsigned int i_physical_channels; + DWORD ui_speaker_config; + bool is_default_output_set = false; + + var_Create( p_aout, "audio-device", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE ); + text.psz_string = _("Audio Device"); + var_Change( p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL ); + + /* Test for 5.1 support */ + i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | + AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT | + AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE; + if( p_aout->output.output.i_physical_channels == i_physical_channels ) + { + if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 6, + p_aout->output.output.i_rate, true ) + == VLC_SUCCESS ) + { + val.i_int = AOUT_VAR_5_1; + text.psz_string = "5.1"; + var_Change( p_aout, "audio-device", + VLC_VAR_ADDCHOICE, &val, &text ); + var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL ); + is_default_output_set = true; + msg_Dbg( p_aout, "device supports 5.1 channels" ); + } + } + + /* Test for 7.1 support */ + i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | + AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT | + AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT | + AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE; + if( p_aout->output.output.i_physical_channels == i_physical_channels ) + { + if( CreateDSBufferPCM( p_aout, &i_format, i_physical_channels, 8, + p_aout->output.output.i_rate, true ) + == VLC_SUCCESS ) + { + val.i_int = AOUT_VAR_7_1; + text.psz_string = "7.1"; + var_Change( p_aout, "audio-device", + VLC_VAR_ADDCHOICE, &val, &text ); + var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL ); + is_default_output_set = true; + 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 | + AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT | + AOUT_CHAN_REARRIGHT; + 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 ) + { + val.i_int = AOUT_VAR_3F2R; + text.psz_string = N_("3 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 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 = N_("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 = N_("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!)" ); + } + 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 = N_("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; + } + 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_FOURCC('s','p','d','i'), + 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 = N_("A/52 over S/PDIF"); + var_Change( p_aout, "audio-device", + VLC_VAR_ADDCHOICE, &val, &text ); + if( config_GetInt( 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 ); + + val.b_bool = true; + var_Set( p_aout, "intf-change", val ); +} + +/***************************************************************************** + * 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; + int i; + + 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( 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 ); + } } /***************************************************************************** @@ -246,45 +648,63 @@ static void Play( aout_instance_t *p_aout ) 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, "Close" ); + msg_Dbg( p_aout, "closing audio device" ); /* kill the position notification thread, if any */ - if( p_aout->output.p_sys->p_notif ) + if( p_sys->p_notif ) { - vlc_object_detach( p_aout->output.p_sys->p_notif ); - if( p_aout->output.p_sys->p_notif->b_thread ) - { - p_aout->output.p_sys->p_notif->b_die = 1; - vlc_thread_join( p_aout->output.p_sys->p_notif ); - } - vlc_object_destroy( p_aout->output.p_sys->p_notif ); + vlc_object_detach( 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 */ - DirectxDestroySecondaryBuffer( p_aout ); - - /* then release the primary buffer */ - if( p_aout->output.p_sys->p_dsbuffer_primary ) - IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer_primary ); + DestroyDSBuffer( p_aout ); /* finally release the DirectSound object */ - if( p_aout->output.p_sys->p_dsobject ) - IDirectSound_Release( p_aout->output.p_sys->p_dsobject ); - + if( p_sys->p_dsobject ) IDirectSound_Release( p_sys->p_dsobject ); + /* free DSOUND.DLL */ - if( p_aout->output.p_sys->hdsound_dll ) - FreeLibrary( p_aout->output.p_sys->hdsound_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, LPCSTR psz_desc, + LPCSTR psz_mod, LPVOID _p_aout ) +{ + aout_instance_t *p_aout = (aout_instance_t *)_p_aout; + + msg_Dbg( p_aout, "found device: %s", psz_desc ); - free( p_aout->output.p_sys ); + if( p_aout->output.p_sys->i_device_id == 0 && p_guid ) + { + 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_desc ); + } + + p_aout->output.p_sys->i_device_id--; + return 1; } /***************************************************************************** - * DirectxInitDSound: handle all the gory details of DirectSound initialisation + * InitDirectSound: handle all the gory details of DirectSound initialisation *****************************************************************************/ -static int DirectxInitDSound( aout_instance_t *p_aout ) +static int InitDirectSound( aout_instance_t *p_aout ) { HRESULT (WINAPI *OurDirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN); + HRESULT (WINAPI *OurDirectSoundEnumerate)(LPDSENUMCALLBACK, LPVOID); p_aout->output.p_sys->hdsound_dll = LoadLibrary("DSOUND.DLL"); if( p_aout->output.p_sys->hdsound_dll == NULL ) @@ -293,18 +713,33 @@ static int DirectxInitDSound( aout_instance_t *p_aout ) goto error; } - OurDirectSoundCreate = (void *)GetProcAddress( - p_aout->output.p_sys->hdsound_dll, - "DirectSoundCreate" ); + 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, + "DirectSoundEnumerateA" ); + if( OurDirectSoundEnumerate ) + { + /* Attempt enumeration */ + if( FAILED( OurDirectSoundEnumerate( CallBackDirectSoundEnum, + p_aout ) ) ) + { + msg_Dbg( p_aout, "enumeration of DirectSound devices failed" ); + } + } + /* Create the direct sound object */ - if( OurDirectSoundCreate( NULL, &p_aout->output.p_sys->p_dsobject, NULL ) - != DS_OK ) + 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; @@ -327,7 +762,7 @@ static int DirectxInitDSound( aout_instance_t *p_aout ) msg_Warn( p_aout, "cannot set direct sound cooperative level" ); } - return 0; + return VLC_SUCCESS; error: p_aout->output.p_sys->p_dsobject = NULL; @@ -336,12 +771,12 @@ static int DirectxInitDSound( aout_instance_t *p_aout ) FreeLibrary( p_aout->output.p_sys->hdsound_dll ); p_aout->output.p_sys->hdsound_dll = NULL; } - return 1; + return VLC_EGENERIC; } /***************************************************************************** - * DirectxCreateSecondaryBuffer + * 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: @@ -350,259 +785,366 @@ static int DirectxInitDSound( aout_instance_t *p_aout ) * 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 and create another one. + * you have to release the current one and create another. *****************************************************************************/ -static int DirectxCreateSecondaryBuffer( aout_instance_t *p_aout ) +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 ) { - WAVEFORMATEX waveformat; + WAVEFORMATEXTENSIBLE waveformat; DSBUFFERDESC dsbdesc; - DSBCAPS dsbcaps; - int i_nb_channels; + unsigned int i; - i_nb_channels = aout_FormatNbChannels( &p_aout->output.output ); - if ( i_nb_channels > 2 ) + /* First set the sound buffer format */ + waveformat.dwChannelMask = 0; + for( i = 0; i < sizeof(pi_channels_src)/sizeof(uint32_t); i++ ) { - i_nb_channels = 2; - p_aout->output.output.i_channels = AOUT_CHAN_STEREO; + if( i_channels & pi_channels_src[i] ) + waveformat.dwChannelMask |= pi_channels_in[i]; } - /* First set the buffer format */ - memset(&waveformat, 0, sizeof(WAVEFORMATEX)); - switch( p_aout->output.output.i_format ) + switch( i_format ) { - case VLC_FOURCC('s','1','6','l'): - waveformat.wFormatTag = WAVE_FORMAT_PCM; - waveformat.wBitsPerSample = 16; + case VLC_FOURCC('s','p','d','i'): + 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_FOURCC('f','l','3','2'): - waveformat.wFormatTag = WAVE_FORMAT_IEEE_FLOAT; - waveformat.wBitsPerSample = sizeof(float) * 8; + 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_FOURCC('s','1','6','l'): + waveformat.Format.wBitsPerSample = 16; + waveformat.Samples.wValidBitsPerSample = + waveformat.Format.wBitsPerSample; + waveformat.Format.wFormatTag = WAVE_FORMAT_PCM; + waveformat.SubFormat = _KSDATAFORMAT_SUBTYPE_PCM; break; } - waveformat.nChannels = i_nb_channels; - waveformat.nSamplesPerSec = p_aout->output.output.i_rate; - waveformat.nBlockAlign = waveformat.wBitsPerSample / 8 * - waveformat.nChannels; - waveformat.nAvgBytesPerSec = waveformat.nSamplesPerSec * - waveformat.nBlockAlign; - aout_FormatPrepare( &p_aout->output.output ); + 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 descriptor */ + /* Then fill in the direct sound descriptor */ memset(&dsbdesc, 0, sizeof(DSBUFFERDESC)); dsbdesc.dwSize = sizeof(DSBUFFERDESC); dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2/* Better position accuracy */ - | DSBCAPS_CTRLPOSITIONNOTIFY /* We need notification */ | DSBCAPS_GLOBALFOCUS; /* Allows background playing */ - dsbdesc.dwBufferBytes = FRAME_SIZE * 2 /* frames*/ /* buffer size */ - * p_aout->output.output.i_bytes_per_frame; - dsbdesc.lpwfxFormat = &waveformat; - - if( IDirectSound_CreateSoundBuffer( p_aout->output.p_sys->p_dsobject, - &dsbdesc, - &p_aout->output.p_sys->p_dsbuffer, - NULL) != DS_OK ) + + /* Only use the new WAVE_FORMAT_EXTENSIBLE format for multichannel audio */ + if( i_nb_channels <= 2 ) { - msg_Warn( p_aout, "cannot create direct sound secondary buffer" ); - goto error; + waveformat.Format.cbSize = 0; } + else + { + waveformat.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; + waveformat.Format.cbSize = + sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX); - /* backup the size of a frame */ - p_aout->output.p_sys->p_notif->i_buffer_size = FRAME_SIZE * - p_aout->output.output.i_bytes_per_frame; + /* Needed for 5.1 on emu101k */ + dsbdesc.dwFlags |= DSBCAPS_LOCHARDWARE; + } - memset(&dsbcaps, 0, sizeof(DSBCAPS)); - dsbcaps.dwSize = sizeof(DSBCAPS); - IDirectSoundBuffer_GetCaps( p_aout->output.p_sys->p_dsbuffer, &dsbcaps ); - msg_Dbg( p_aout, "requested %li bytes buffer and got %li bytes.", - 2 * p_aout->output.p_sys->p_notif->i_buffer_size, - dsbcaps.dwBufferBytes ); + dsbdesc.dwBufferBytes = FRAMES_NUM * i_bytes_per_frame; /* buffer size */ + dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&waveformat; - /* Now the secondary buffer is created, we need to setup its position - * notification */ - p_aout->output.p_sys->p_notif->p_events[0].dwOffset = 0; - p_aout->output.p_sys->p_notif->p_events[1].dwOffset = - p_aout->output.p_sys->p_notif->i_buffer_size; + 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; + } + } - /* Get the IDirectSoundNotify interface */ - if FAILED( IDirectSoundBuffer_QueryInterface( - p_aout->output.p_sys->p_dsbuffer, - &IID_IDirectSoundNotify, - (LPVOID *)&p_aout->output.p_sys->p_dsnotify ) ) + /* Stop here if we were just probing */ + if( b_probe ) { - msg_Err( p_aout, "cannot get Notify interface" ); - goto error; + IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer ); + p_aout->output.p_sys->p_dsbuffer = NULL; + return VLC_SUCCESS; } - - if FAILED( IDirectSoundNotify_SetNotificationPositions( - p_aout->output.p_sys->p_dsnotify, 2, - p_aout->output.p_sys->p_notif->p_events ) ) + + 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_Err( p_aout, "cannot set position Notification" ); - goto error; + msg_Dbg( p_aout, "channel reordering needed" ); } - p_aout->output.i_nb_samples = FRAME_SIZE; + 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, int *i_format, + int i_channels, int i_nb_channels, int i_rate, + bool b_probe ) +{ + vlc_value_t val; + + var_Get( p_aout, "directx-audio-float32", &val ); - return 0; + /* Float32 audio samples are not supported for 5.1 output on the emu101k */ - error: - if( p_aout->output.p_sys->p_dsbuffer ) + if( !val.b_bool || i_nb_channels > 2 || + CreateDSBuffer( p_aout, VLC_FOURCC('f','l','3','2'), + i_channels, i_nb_channels, i_rate, + FRAME_SIZE * 4 * i_nb_channels, b_probe ) + != VLC_SUCCESS ) { - IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer ); - p_aout->output.p_sys->p_dsbuffer = NULL; + if ( CreateDSBuffer( p_aout, VLC_FOURCC('s','1','6','l'), + i_channels, i_nb_channels, i_rate, + FRAME_SIZE * 2 * i_nb_channels, b_probe ) + != VLC_SUCCESS ) + { + return VLC_EGENERIC; + } + else + { + *i_format = VLC_FOURCC('s','1','6','l'); + return VLC_SUCCESS; + } } - if( p_aout->output.p_sys->p_dsnotify ) + else { - IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer ); - p_aout->output.p_sys->p_dsnotify = NULL; + *i_format = VLC_FOURCC('f','l','3','2'); + return VLC_SUCCESS; } - return VLC_EGENERIC; } /***************************************************************************** - * DirectxCreateSecondaryBuffer + * DestroyDSBuffer ***************************************************************************** * This function destroys the secondary buffer. *****************************************************************************/ -static void DirectxDestroySecondaryBuffer( aout_instance_t *p_aout ) +static void DestroyDSBuffer( aout_instance_t *p_aout ) { - /* make sure the buffer isn't playing */ if( p_aout->output.p_sys->p_dsbuffer ) - IDirectSoundBuffer_Stop( p_aout->output.p_sys->p_dsbuffer ); + { + IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer ); + p_aout->output.p_sys->p_dsbuffer = NULL; + } +} - if( p_aout->output.p_sys->p_dsnotify ) +/***************************************************************************** + * 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; + 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 ) { - IDirectSoundNotify_Release( p_aout->output.p_sys->p_dsnotify ); - p_aout->output.p_sys->p_dsnotify = NULL; + msg_Warn( p_notif, "cannot lock buffer" ); + if( p_buffer ) aout_BufferFree( p_buffer ); + return VLC_EGENERIC; } - if( p_aout->output.p_sys->p_dsbuffer ) + if( p_buffer == NULL ) { - IDirectSoundBuffer_Release( p_aout->output.p_sys->p_dsbuffer ); - p_aout->output.p_sys->p_dsbuffer = 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_nb_bytes, + 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. + * 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( notification_thread_t *p_notif ) { - HANDLE notification_events[2]; - HRESULT dsresult; aout_instance_t *p_aout = p_notif->p_aout; + bool b_sleek; + mtime_t last_time; + HRESULT dsresult; + long l_queued = 0; - notification_events[0] = p_notif->p_events[0].hEventNotify; - notification_events[1] = p_notif->p_events[1].hEventNotify; + /* We don't want any resampling when using S/PDIF output */ + b_sleek = p_aout->output.output.i_format == VLC_FOURCC('s','p','d','i'); /* Tell the main thread that we are ready */ vlc_thread_ready( p_notif ); msg_Dbg( p_notif, "DirectSoundThread ready" ); - while( !p_notif->b_die ) - { - int i_which_event; - void *p_write_position, *p_wrap_around; - long l_bytes1, l_bytes2; - aout_buffer_t * p_buffer; - long l_play_position; - - /* wait for the position notification */ - i_which_event = WaitForMultipleObjects( 2, notification_events, 0, - INFINITE ) - WAIT_OBJECT_0; + /* Wait here until Play() is called */ + WaitForSingleObject( p_notif->event, INFINITE ); - if( p_notif->b_die ) - break; + if( vlc_object_alive (p_notif) ) + { + mwait( p_notif->start_date - AOUT_PTS_TOLERANCE / 2 ); - /* Before copying anything, we have to lock the buffer */ - dsresult = IDirectSoundBuffer_Lock( - /* DS buffer */ - p_aout->output.p_sys->p_dsbuffer, - /* Offset of lock start */ - i_which_event ? 0 : p_notif->i_buffer_size, - p_notif->i_buffer_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 */ + /* 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_Lock( - p_aout->output.p_sys->p_dsbuffer, - i_which_event ? 0 : p_notif->i_buffer_size, - p_notif->i_buffer_size, - &p_write_position, - &l_bytes1, - &p_wrap_around, - &l_bytes2, - 0 ); + dsresult = IDirectSoundBuffer_Play( + p_aout->output.p_sys->p_dsbuffer, + 0, /* Unused */ + 0, /* Unused */ + DSBPLAY_LOOPING ); /* Flags */ } if( dsresult != DS_OK ) { - msg_Warn( p_notif, "cannot lock buffer" ); - continue; + msg_Err( p_aout, "cannot start playing buffer" ); } + } + last_time = mdate(); + + while( vlc_object_alive (p_notif) ) + { + long l_read, l_free_slots; + mtime_t mtime = mdate(); + int i; - /* We take into account the current latency */ - if( IDirectSoundBuffer_GetCurrentPosition( - p_aout->output.p_sys->p_dsbuffer, - &l_play_position, NULL ) == DS_OK ) + /* + * 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 ) ) { - if( l_play_position > (i_which_event * FRAME_SIZE) - && l_play_position < ((i_which_event+1) * FRAME_SIZE) ) - { - l_play_position = FRAME_SIZE - ( l_play_position / - p_aout->output.output.i_bytes_per_frame % - FRAME_SIZE ); - } - else - { - l_play_position = 2 * FRAME_SIZE - ( l_play_position / - p_aout->output.output.i_bytes_per_frame % - FRAME_SIZE ); - } + msg_Err( p_aout, "GetCurrentPosition() failed!" ); + l_read = 0; } - else + + /* Detect underruns */ + if( l_queued && mtime - last_time > + INT64_C(1000000) * l_queued / p_aout->output.output.i_rate ) { - l_play_position = FRAME_SIZE; + msg_Dbg( p_aout, "detected underrun!" ); } + last_time = mtime; - p_buffer = aout_OutputNextBuffer( p_aout, - mdate() + 1000000 / p_aout->output.output.i_rate * l_play_position, - VLC_FALSE ); - - /* Now do the actual memcpy into the circular buffer */ - if ( l_bytes1 != p_notif->i_buffer_size ) - msg_Err( p_aout, "Wrong buffer size: %d, %d", l_bytes1, - p_notif->i_buffer_size ); + /* Try to fill in as many frame buffers as possible */ + l_read /= p_aout->output.output.i_bytes_per_frame; + l_queued = p_notif->i_write_slot * FRAME_SIZE - l_read; + if( l_queued < 0 ) l_queued += (FRAME_SIZE * FRAMES_NUM); + l_free_slots = (FRAMES_NUM * FRAME_SIZE - l_queued) / FRAME_SIZE; - if ( p_buffer != NULL ) + for( i = 0; i < l_free_slots; i++ ) { - p_aout->p_vlc->pf_memcpy( p_write_position, p_buffer->p_buffer, - l_bytes1 ); - aout_BufferFree( p_buffer ); - } - else - { - memset( p_write_position, 0, l_bytes1 ); - } + aout_buffer_t *p_buffer = aout_OutputNextBuffer( p_aout, + mtime + INT64_C(1000000) * (i * FRAME_SIZE + l_queued) / + p_aout->output.output.i_rate, b_sleek ); - /* Now the data has been copied, unlock the buffer */ - IDirectSoundBuffer_Unlock( p_aout->output.p_sys->p_dsbuffer, - p_write_position, l_bytes1, p_wrap_around, l_bytes2 ); + /* 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 / FRAME_SIZE) ) 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 * FRAME_SIZE); + msleep( INT64_C(1000000) * l_queued / p_aout->output.output.i_rate / 2 ); } - /* free the events */ - CloseHandle( notification_events[0] ); - CloseHandle( notification_events[1] ); + /* make sure the buffer isn't playing */ + IDirectSoundBuffer_Stop( p_aout->output.p_sys->p_dsbuffer ); + + /* free the event */ + CloseHandle( p_notif->event ); msg_Dbg( p_notif, "DirectSoundThread exiting" ); }