engine: client: voice api

common/sound_api.h

@@ -159,11 +159,22 @@ typedef struct snd_globals_s
 	qboolean     have_ambient_sfx;
 } snd_globals_t;
 
+typedef struct voice_audio_info_s
+{
+	uint width;
+	uint samplerate;
+	uint frame_size; // in samples
+} voice_audio_info_t;
+
 // API from engine to client (client calls these)
 typedef struct sound_api_s
 {
 	qboolean           (*CL_GetEntitySpatialization)( channel_t *ch );
 	sfx_t*             (*S_GetSfxByHandle)( sound_t handle );
+	// Voice extensions
+	void               (*pfnS_RawEntSamples)( int entnum, uint samples, uint rate, word width, word channels, const byte *data, int snd_vol, float attn );
+	void               (*pfnSND_ForceInitMouth)( int entnum );
+	voice_audio_info_t (*pfnVoice_GetAudioInfo)( void );
 } sound_api_t;
 
 // Callbacks from client to engine (engine calls these when custom sound is active)

engine/cdll_exp.h

@@ -82,6 +82,7 @@ typedef struct cldll_func_s
 	void (*pfnLookEvent)( float relyaw, float relpitch );
 	// Sound API
 	int (*pfnGetSoundInterface)( int version, const sound_api_t *api, sound_interface_t *callback );
+	int (*pfnVoice_StartChannel)( int samples, byte *data, int entnum );
 } cldll_func_t;
 
 #endif//CDLL_EXP_H

engine/client/cl_game.c

@@ -105,7 +105,8 @@ static const dllfunc_t cdll_new_exports[] = 	// allowed only in SDK 2.3 and high
 { "IN_ClientTouchEvent", (void **)&clgame.dllFuncs.pfnTouchEvent}, // Xash3D FWGS ext
 { "IN_ClientMoveEvent", (void **)&clgame.dllFuncs.pfnMoveEvent}, // Xash3D FWGS ext
 { "IN_ClientLookEvent", (void **)&clgame.dllFuncs.pfnLookEvent}, // Xash3D FWGS ext
-{ "HUD_GetSoundInterface", (void **)&clgame.dllFuncs.pfnGetSoundInterface },	// Xash3D ext
+{ "HUD_GetSoundInterface", (void **)&clgame.dllFuncs.pfnGetSoundInterface },	// Xash3D FWGS ext
+{ "Voice_StartChannel", (void **)&clgame.dllFuncs.pfnVoice_StartChannel }, // Xash3D FWGS ext
 };
 
 static void pfnSPR_DrawHoles( int frame, int x, int y, const wrect_t *prc );

engine/client/s_main.c

@@ -1287,7 +1287,7 @@ uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint ma
 S_RawEntSamples
 ===================
 */
-void S_RawEntSamples( int entnum, uint samples, uint rate, word width, word channels, const byte *data, int snd_vol )
+void S_RawEntSamples( int entnum, uint samples, uint rate, word width, word channels, const byte *data, int snd_vol, float attn )
 {
 	rawchan_t	*ch;
 
@@ -1298,7 +1298,7 @@ void S_RawEntSamples( int entnum, uint samples, uint rate, word width, word chan
 		return;
 
 	ch->master_vol = snd_vol;
-	ch->dist_mult = (ATTN_NONE / SND_CLIP_DISTANCE);
+	ch->dist_mult = (attn / SND_CLIP_DISTANCE);
 	ch->s_rawend = S_RawSamplesStereo( ch->rawsamples, ch->s_rawend, ch->max_samples, samples, rate, width, channels, data );
 	ch->leftvol = ch->rightvol = snd_vol;
 }
@@ -1938,6 +1938,9 @@ static void S_VoiceRecordStop_f( void )
 static const sound_api_t gSoundAPI = {
 	CL_GetEntitySpatialization,
 	S_GetSfxByHandle,
+	S_RawEntSamples,
+	SND_ForceInitMouth,
+	Voice_GetAudioInfo,
 };
 
 /*

engine/client/s_stream.c

@@ -253,7 +253,7 @@ void S_StreamBackgroundTrack( void )
 		{
 			// add to raw buffer
 			int music_vol = (int)(255.0f * S_GetMusicVolume());
-			S_RawEntSamples( S_RAW_SOUND_BACKGROUNDTRACK, fileSamples, info->rate, info->width, info->channels, raw, music_vol );
+			S_RawEntSamples( S_RAW_SOUND_BACKGROUNDTRACK, fileSamples, info->rate, info->width, info->channels, raw, music_vol, ATTN_NONE );
 		}
 		else
 		{

engine/client/sound.h

@@ -111,7 +111,7 @@ int S_GetCurrentDynamicSounds( soundlist_t *pout, int size );
 sfx_t *S_GetSfxByHandle( sound_t handle );
 rawchan_t *S_FindRawChannel( int entnum, qboolean create );
 uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint max_samples, uint samples, uint rate, word width, word channels, const byte *data );
-void S_RawEntSamples( int entnum, uint samples, uint rate, word width, word channels, const byte *data, int snd_vol );
+void S_RawEntSamples( int entnum, uint samples, uint rate, word width, word channels, const byte *data, int snd_vol, float attn );
 void S_StopSound( int entnum, int channel, const char *soundname );
 void S_UpdateFrame( struct ref_viewpass_s *rvp );
 void S_StopAllSounds( qboolean ambient );

engine/client/voice.c

@@ -939,8 +939,14 @@ Feed the decoded data to engine sound subsystem
 */
 static void Voice_StartChannel( uint samples, byte *data, int entnum )
 {
+	if( clgame.dllFuncs.pfnVoice_StartChannel != NULL )
+	{
+		if( clgame.dllFuncs.pfnVoice_StartChannel( samples, data, entnum ))
+			return;
+	}
+
 	SND_ForceInitMouth( entnum );
-	S_RawEntSamples( entnum, samples, voice.samplerate, voice.width, VOICE_PCM_CHANNELS, data, bound( 0, 255 * voice_scale.value, 255 ));
+	S_RawEntSamples( entnum, samples, voice.samplerate, voice.width, VOICE_PCM_CHANNELS, data, bound( 0, 255 * voice_scale.value, 255 ), ATTN_NONE );
 	Voice_Status( entnum, true );
 }
 
@@ -1194,3 +1200,13 @@ qboolean Voice_Init( const char *pszCodecName, int quality, qboolean preinit )
 	voice.initialized = true;
 	return true;
 }
+
+voice_audio_info_t Voice_GetAudioInfo( void )
+{
+	voice_audio_info_t info;
+
+	info.width = voice.width;
+	info.samplerate = voice.samplerate;
+	info.frame_size = voice.frame_size;
+	return info;
+}

engine/client/voice.h

@@ -131,5 +131,6 @@ void Voice_Disconnect( void );
 void Voice_AddIncomingData( int ent, const byte *data, uint size, uint frames );
 void Voice_StopChannel( int entnum );
 void Voice_LoopbackAck( void ); // sends VOICE_LOOPBACK_INDEX to client, gets disabled on timeout
+voice_audio_info_t Voice_GetAudioInfo( void );
 
 #endif // VOICE_H

engine/physint.h

@@ -168,6 +168,8 @@ typedef struct physics_interface_s
 	void		*(*SV_HullForBsp)( edict_t *ent, const float *mins, const float *maxs, float *offset );
 	// handle player custom think function
 	int		(*SV_PlayerThink)( edict_t *ent, float frametime, double time );
+	// voice data
+	qboolean	(*pfnVoiceData)( int client, uint frames, uint size, qboolean loopback, const char *received );
 } physics_interface_t;
 
 #endif//PHYSINT_H

engine/server/server.h

@@ -406,6 +406,7 @@ extern convar_t		sv_wateralpha;
 extern convar_t		sv_wateramp;
 extern convar_t		sv_voiceenable;
 extern convar_t		sv_voicequality;
+extern convar_t		sv_voice_singleplayer;
 extern convar_t		sv_maxvelocity;
 extern convar_t		sv_stepsize;
 extern convar_t		sv_skyname;

engine/server/sv_client.c

@@ -3571,7 +3571,16 @@ static void SV_ParseVoiceData( sv_client_t *cl, sizebuf_t *msg )
 
 	MSG_ReadBytes( msg, received, size );
 
-	if( !sv_voiceenable.value || svs.maxclients <= 1 || cl->state != cs_spawned )
+	if( !sv_voiceenable.value || cl->state != cs_spawned )
+		return;
+
+	if( svgame.physFuncs.pfnVoiceData != NULL )
+	{
+		if( svgame.physFuncs.pfnVoiceData( client, frames, size, loopback, received ))
+			return;
+	}
+
+	if( svs.maxclients <= 1 && sv_voice_singleplayer.value == 0.0f )
 		return;
 
 	for( i = 0; i < svs.maxclients; i++ )

engine/server/sv_init.c

@@ -463,7 +463,7 @@ static void SV_CreateBaseline( void )
 	int		delta_type;
 	int		entnum;
 
-	if( svs.maxclients > 1 )
+	if( svs.maxclients > 1 || sv_voice_singleplayer.value )
 		SV_WriteVoiceCodec( &sv.signon );
 
 	if( FBitSet( host.features, ENGINE_QUAKE_COMPATIBLE ))

engine/server/sv_main.c

@@ -124,6 +124,7 @@ static CVAR_DEFINE_AUTO( violence_agibs, "1", 0, "show alien gib entities" );
 // voice chat
 CVAR_DEFINE_AUTO( sv_voiceenable, "1", FCVAR_ARCHIVE|FCVAR_SERVER, "enable voice support" );
 CVAR_DEFINE_AUTO( sv_voicequality, "3", FCVAR_ARCHIVE, "voice chat quality level, from 0 to 5, higher is better" );
+CVAR_DEFINE_AUTO( sv_voice_singleplayer, "0", FCVAR_ARCHIVE, "enable voice subsystem in singleplayer games (maxclients == 1)" );
 
 // enttools
 CVAR_DEFINE_AUTO( sv_enttools_enable, "0", FCVAR_ARCHIVE|FCVAR_PROTECTED, "enable powerful and dangerous entity tools" );
@@ -975,6 +976,7 @@ void SV_Init( void )
 
 	Cvar_RegisterVariable( &sv_voiceenable );
 	Cvar_RegisterVariable( &sv_voicequality );
+	Cvar_RegisterVariable( &sv_voice_singleplayer );
 	Cvar_RegisterVariable( &sv_trace_messages );
 	Cvar_RegisterVariable( &sv_enttools_enable );
 	Cvar_RegisterVariable( &sv_enttools_maxfire );