engine: client: voice: simplify code, simplify including voice.h, do not depend on opus headers globally

Autofix few code style mistakes

engine/client/cl_parse.c

@@ -1715,9 +1715,9 @@ void CL_ParseVoiceData( sizebuf_t *msg )
 		return;
 
 	if( idx == cl.playernum + 1 )
-		Voice_LocalPlayerTalkingAck();
+		Voice_StatusAck( &voice.local, VOICE_LOCALPLAYER_INDEX );
 	else
-		Voice_PlayerTalkingAck( idx );
+		Voice_StatusAck( &voice.players_status[idx], idx );
 
 	if ( !size )
 		return;

engine/client/voice.c

@@ -14,12 +14,15 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 */
 
+#include <opus.h>
+#include "common.h"
+#include "client.h"
 #include "voice.h"
 
-wavdata_t *input_file;
-fs_offset_t input_pos;
+static wavdata_t *input_file;
+static fs_offset_t input_pos;
 
-voice_state_t voice;
+voice_state_t voice = { 0 };
 
 CVAR_DEFINE_AUTO( voice_enable, "1", FCVAR_PRIVILEGED|FCVAR_ARCHIVE, "enable voice chat" );
 CVAR_DEFINE_AUTO( voice_loopback, "0", FCVAR_PRIVILEGED, "loopback voice back to the speaker" );
@@ -47,6 +50,12 @@ static void Voice_CodecInfo_f( void )
 	opus_int32 encoderBitrate;
 	opus_int32 encoderBandwidthType;
 
+	if( !voice.initialized )
+	{
+		Con_Printf( "Voice codec is not initialized!\n" );
+		return;
+	}
+
 	opus_encoder_ctl( voice.encoder, OPUS_GET_BITRATE( &encoderBitrate ));
 	opus_encoder_ctl( voice.encoder, OPUS_GET_COMPLEXITY( &encoderComplexity ));
 	opus_encoder_ctl( voice.encoder, OPUS_GET_BANDWIDTH( &encoderBandwidthType ));
@@ -54,8 +63,7 @@ static void Voice_CodecInfo_f( void )
 	Con_Printf( "Encoder:\n" );
 	Con_Printf( "  Bitrate: %.3f kbps\n", encoderBitrate / 1000.0f );
 	Con_Printf( "  Complexity: %d\n", encoderComplexity );
-	Con_Printf( "  Bandwidth: " );
-	Con_Printf( Voice_GetBandwidthTypeName( encoderBandwidthType ));
+	Con_Printf( "  Bandwidth: %s", Voice_GetBandwidthTypeName( encoderBandwidthType ));
 	Con_Printf( "\n" );
 }
 
@@ -191,7 +199,7 @@ void Voice_DeInit( void )
 	voice.initialized = false;
 }
 
-uint Voice_GetCompressedData( byte *out, uint maxsize, uint *frames )
+static uint Voice_GetCompressedData( byte *out, uint maxsize, uint *frames )
 {
 	uint ofs, size = 0;
 
@@ -234,7 +242,29 @@ uint Voice_GetCompressedData( byte *out, uint maxsize, uint *frames )
 	return size;
 }
 
-void Voice_Idle( float frametime )
+static void Voice_StatusTimeout( voice_status_t *status, int entindex, double frametime )
+{
+	if( status->talking_ack )
+	{
+		status->talking_timeout += frametime;
+		if( status->talking_timeout > 0.2 )
+		{
+			status->talking_ack = false;
+			Voice_Status( entindex, false );
+		}
+	}
+}
+
+void Voice_StatusAck( voice_status_t *status, int playerIndex )
+{
+	if( !status->talking_ack )
+		Voice_Status( playerIndex, true );
+
+	status->talking_ack = true;
+	status->talking_timeout = 0.0;
+}
+
+void Voice_Idle( double frametime )
 {
 	int i;
 
@@ -244,29 +274,11 @@ void Voice_Idle( float frametime )
 		return;
 	}
 
-	if ( voice.talking_ack )
-	{
-		voice.talking_timeout += frametime;
-		if( voice.talking_timeout > 0.2f )
-		{
-			voice.talking_ack = false;
-			Voice_Status( -2, false );
-		}
-	}
+	// update local player status first
+	Voice_StatusTimeout( &voice.local, VOICE_LOCALPLAYER_INDEX, frametime );
 
 	for( i = 0; i < 32; i++ )
-	{
-		if ( voice.players_status[i].talking_ack )
-		{
-			voice.players_status[i].talking_timeout += frametime;
-			if ( voice.players_status[i].talking_timeout > 0.2f )
-			{
-				voice.players_status[i].talking_ack = false;
-				if ( i < cl.maxclients )
-					Voice_Status( i, false );
-			}
-		}
-	}
+		Voice_StatusTimeout( &voice.players_status[i], i, frametime );
 }
 
 qboolean Voice_IsRecording( void )
@@ -333,6 +345,12 @@ void Voice_Disconnect( void )
 	}
 }
 
+static void Voice_StartChannel( uint samples, byte *data, int entnum )
+{
+	SND_ForceInitMouth( entnum );
+	S_RawEntSamples( entnum, samples, voice.samplerate, voice.width, voice.channels, data, 255 );
+}
+
 void Voice_AddIncomingData( int ent, const byte *data, uint size, uint frames )
 {
 	int samples = opus_decode( voice.decoder, data, size, (short *)voice.decompress_buffer, voice.frame_size / voice.width * frames, false );
@@ -353,42 +371,9 @@ void CL_AddVoiceToDatagram( void )
 	if( size > 0 && MSG_GetNumBytesLeft( &cls.datagram ) >= size + 32 )
 	{
 		MSG_BeginClientCmd( &cls.datagram, clc_voicedata );
-		MSG_WriteByte( &cls.datagram, Voice_GetLoopback() );
+		MSG_WriteByte( &cls.datagram, voice_loopback.value != 0 );
 		MSG_WriteByte( &cls.datagram, frames );
 		MSG_WriteShort( &cls.datagram, size );
 		MSG_WriteBytes( &cls.datagram, voice.output_buffer, size );
 	}
 }
-
-qboolean Voice_GetLoopback( void )
-{
-	return voice_loopback.value;
-}
-
-void Voice_LocalPlayerTalkingAck( void )
-{
-	if ( !voice.talking_ack )
-	{
-		Voice_Status( -2, true );
-	}
-
-	voice.talking_ack = true;
-	voice.talking_timeout = 0.0f;
-}
-
-void Voice_PlayerTalkingAck(int playerIndex)
-{
-	if( !voice.players_status[playerIndex].talking_ack )
-	{
-		Voice_Status( playerIndex, true );
-	}
-
-	voice.players_status[playerIndex].talking_ack = true;
-	voice.players_status[playerIndex].talking_timeout = 0.0f;
-}
-
-void Voice_StartChannel( uint samples, byte *data, int entnum )
-{
-	SND_ForceInitMouth( entnum );
-	S_RawEntSamples( entnum, samples, voice.samplerate, voice.width, voice.channels, data, 255 );
-}

engine/client/voice.h

@@ -17,28 +17,30 @@ GNU General Public License for more details.
 #ifndef VOICE_H
 #define VOICE_H
 
-#include <opus.h>
-
-#include "common.h"
-#include "client.h"
+#include "protocol.h" // MAX_CLIENTS
 #include "sound.h"
-#include "soundlib/soundlib.h"
-#include "library.h"
 
 extern convar_t voice_scale;
 
+typedef struct OpusDecoder OpusDecoder;
+typedef struct OpusEncoder OpusEncoder;
+
+#define VOICE_LOCALPLAYER_INDEX (-2)
+
+typedef struct voice_status_s
+{
+	qboolean talking_ack;
+	double talking_timeout;
+} voice_status_t;
+
 typedef struct voice_state_s
 {
 	qboolean initialized;
 	qboolean is_recording;
-	float start_time;
-	qboolean talking_ack;
-	float talking_timeout;
+	double start_time;
 
-	struct {
-		qboolean talking_ack;
-		float talking_timeout;
-	} players_status[32];
+	voice_status_t local;
+	voice_status_t players_status[MAX_CLIENTS];
 
 	// opus stuff
 	OpusEncoder *encoder;
@@ -72,16 +74,12 @@ void CL_AddVoiceToDatagram( void );
 void Voice_RegisterCvars( void );
 qboolean Voice_Init( const char *pszCodecName, int quality );
 void Voice_DeInit( void );
-uint Voice_GetCompressedData( byte *out, uint maxsize, uint *frames );
-void Voice_Idle( float frametime );
+void Voice_Idle( double frametime );
 qboolean Voice_IsRecording( void );
 void Voice_RecordStop( void );
 void Voice_RecordStart( void );
 void Voice_Disconnect( void );
 void Voice_AddIncomingData( int ent, const byte *data, uint size, uint frames );
-qboolean Voice_GetLoopback( void );
-void Voice_LocalPlayerTalkingAck( void );
-void Voice_PlayerTalkingAck( int playerIndex );
-void Voice_StartChannel( uint samples, byte *data, int entnum );
+void Voice_StatusAck( voice_status_t *status, int playerIndex );
 
 #endif // VOICE_H