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Code Issues 2 Projects Releases Wiki Activity

engine: voice: added voice_transmit_scale cvar to configure outcoming voice audio volume

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SNMetamorph 2022-12-12 13:54:22 +04:00 committed by Alibek Omarov
parent 9b3ccf5f04
commit 2a4fafc3f9
1 changed files with 10 additions and 10 deletions
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20
engine/client/voice.c
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@ -25,11 +25,12 @@ 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" );
CVAR_DEFINE_AUTO( voice_scale, "1.0", FCVAR_PRIVILEGED|FCVAR_ARCHIVE, "incoming voice volume scale" );
CVAR_DEFINE_AUTO( voice_transmit_scale, "1.0", FCVAR_PRIVILEGED|FCVAR_ARCHIVE, "outcoming voice volume scale" );
CVAR_DEFINE_AUTO( voice_avggain, "0.5", FCVAR_PRIVILEGED|FCVAR_ARCHIVE, "automatic voice gain control (average)" );
CVAR_DEFINE_AUTO( voice_maxgain, "5.0", FCVAR_PRIVILEGED|FCVAR_ARCHIVE, "automatic voice gain control (maximum)" );
CVAR_DEFINE_AUTO( voice_inputfromfile, "0", FCVAR_PRIVILEGED, "input voice from voice_input.wav" );
static void Voice_ApplyGainAdjust( int16_t *samples, int count );
static void Voice_ApplyGainAdjust( int16_t *samples, int count, float scale );
/*
===============================================================================
@ -202,7 +203,7 @@ static uint Voice_GetOpusCompressedData( byte *out, uint maxsize, uint *frames )
if( !voice.input_file )
{
// adjust gain before encoding, but only for input from voice
Voice_ApplyGainAdjust((opus_int16*)(voice.input_buffer + ofs), voice.frame_size);
Voice_ApplyGainAdjust((opus_int16*)(voice.input_buffer + ofs), voice.frame_size, voice_transmit_scale.value);
}
#endif
@ -256,10 +257,10 @@ Voice_ApplyGainAdjust
=========================
*/
static void Voice_ApplyGainAdjust( int16_t *samples, int count )
static void Voice_ApplyGainAdjust( int16_t *samples, int count, float scale )
{
float gain, modifiedMax;
int average, adjustedSample, blockOffset = 0;
int average, blockOffset = 0;
for( ;; )
{
@ -278,10 +279,8 @@ static void Voice_ApplyGainAdjust( int16_t *samples, int count )
localMax = absSample;
localSum += absSample;
gain = voice.autogain.current_gain + i * voice.autogain.gain_multiplier;
adjustedSample = Q_min( SHRT_MAX, Q_max(( int )( sample * gain ), SHRT_MIN ));
samples[blockOffset + i] = adjustedSample;
samples[blockOffset + i] = bound( SHRT_MIN, (int)( sample * gain ), SHRT_MAX );
}
if( blockOffset % voice.autogain.block_size == 0 )
@ -289,9 +288,9 @@ static void Voice_ApplyGainAdjust( int16_t *samples, int count )
average = localSum / blockSize;
modifiedMax = average + ( localMax - average ) * voice_avggain.value;
voice.autogain.current_gain = voice.autogain.next_gain * voice_scale.value;
voice.autogain.next_gain = Q_min( (float)SHRT_MAX / modifiedMax, voice_maxgain.value ) * voice_scale.value;
voice.autogain.gain_multiplier = ( voice.autogain.next_gain - voice.autogain.current_gain ) / ( voice.autogain.block_size - 1 );
voice.autogain.current_gain = voice.autogain.next_gain * scale;
voice.autogain.next_gain = Q_min( (float)SHRT_MAX / modifiedMax, voice_maxgain.value ) * scale;
voice.autogain.gain_multiplier = ( voice.autogain.next_gain - voice.autogain.current_gain ) / ( blockSize - 1 );
}
blockOffset += blockSize;
}
@ -546,6 +545,7 @@ void Voice_RegisterCvars( void )
Cvar_RegisterVariable( &voice_enable );
Cvar_RegisterVariable( &voice_loopback );
Cvar_RegisterVariable( &voice_scale );
Cvar_RegisterVariable( &voice_transmit_scale );
Cvar_RegisterVariable( &voice_avggain );
Cvar_RegisterVariable( &voice_maxgain );
Cvar_RegisterVariable( &voice_inputfromfile );