diff options
Diffstat (limited to 'firmware/mpeg.c')
| -rw-r--r-- | firmware/mpeg.c | 70 |
1 files changed, 52 insertions, 18 deletions
diff --git a/firmware/mpeg.c b/firmware/mpeg.c index 698a36cbe5..d1b27d3145 100644 --- a/firmware/mpeg.c +++ b/firmware/mpeg.c @@ -59,7 +59,7 @@ static char *units[] = "%", /* Volume */ "dB", /* Bass */ "dB", /* Treble */ - "", /* Balance */ + "%", /* Balance */ "dB", /* Loudness */ "%" /* Bass boost */ }; @@ -79,7 +79,7 @@ static int minval[] = 0, /* Volume */ 0, /* Bass */ 0, /* Treble */ - 0, /* Balance */ + -50, /* Balance */ 0, /* Loudness */ 0 /* Bass boost */ }; @@ -94,7 +94,7 @@ static int maxval[] = 30, /* Bass */ 30, /* Treble */ #endif - 100, /* Balance */ + 50, /* Balance */ 17, /* Loudness */ 10 /* Bass boost */ }; @@ -109,7 +109,7 @@ static int defaultval[] = 15+7, /* Bass */ 15+7, /* Treble */ #endif - 50, /* Balance */ + 0, /* Balance */ 0, /* Loudness */ 0 /* Bass boost */ }; @@ -1266,10 +1266,11 @@ bool mpeg_is_playing(void) #ifndef SIMULATOR #ifdef HAVE_MAS3507D -int current_volume=0; /* all values in tenth of dB */ -int current_treble=0; -int current_bass=0; -int current_balance=0; +int current_left_volume = 0; /* all values in tenth of dB */ +int current_right_volume = 0; /* all values in tenth of dB */ +int current_treble = 0; +int current_bass = 0; +int current_balance = 0; /* convert tenth of dB volume to register value */ static int tenthdb2reg(int db) { @@ -1292,14 +1293,9 @@ void set_prescaled_volume(void) mas_writereg(MAS_REG_KPRESCALE, prescale_table[prescale/10]); /* gain up the analog volume to compensate the prescale reduction gain */ - r = l = current_volume + prescale; + l = current_left_volume + prescale; + r = current_right_volume + prescale; - /* balance */ - if (current_balance >= 0) - l -= current_balance; - else - r += current_balance; - dac_volume(tenthdb2reg(l), tenthdb2reg(r), false); } #endif /* HAVE_MAS3507D */ @@ -1310,7 +1306,11 @@ void mpeg_sound_set(int setting, int value) #ifdef SIMULATOR setting = value; #else +#ifdef HAVE_MAS3507D + int l, r; +#else int tmp; +#endif switch(setting) { @@ -1321,15 +1321,44 @@ void mpeg_sound_set(int setting, int value) tmp = 0x7f00 * value / 100; mas_codec_writereg(0x10, tmp & 0xff00); #else - tmp = 0x38 * value / 100; + l = value; + r = value; + + if(current_balance > 0) + { + l -= current_balance; + if(l < 0) + l = 0; + } + + if(current_balance < 0) + { + r += current_balance; + if(r < 0) + r = 0; + } + + l = 0x38 * l / 100; + r = 0x38 * r / 100; /* store volume in tenth of dB */ - current_volume = ( tmp < 0x08 ? tmp*30 - 780 : tmp*15 - 660 ); + current_left_volume = ( l < 0x08 ? l*30 - 780 : l*15 - 660 ); + current_right_volume = ( r < 0x08 ? r*30 - 780 : r*15 - 660 ); set_prescaled_volume(); #endif break; + case SOUND_BALANCE: +#ifdef HAVE_MAS3587F + tmp = ((value * 127 / 100) & 0xff) << 8; + mas_codec_writereg(0x11, tmp & 0xff00); +#else + /* Convert to percent */ + current_balance = value * 2; +#endif + break; + case SOUND_BASS: #ifdef HAVE_MAS3587F tmp = (((value-12) * 8) & 0xff) << 8; @@ -1415,6 +1444,10 @@ int mpeg_val2phys(int setting, int value) result = value * 2; break; + case SOUND_BALANCE: + result = value * 2; + break; + case SOUND_BASS: #ifdef HAVE_MAS3587F result = value - 12; @@ -1444,7 +1477,7 @@ int mpeg_val2phys(int setting, int value) return result; } -void mpeg_init(int volume, int bass, int treble, int loudness, int bass_boost, int avc) +void mpeg_init(int volume, int bass, int treble, int balance, int loudness, int bass_boost, int avc) { #ifdef SIMULATOR volume = bass = treble = loudness = bass_boost = avc; @@ -1556,6 +1589,7 @@ void mpeg_init(int volume, int bass, int treble, int loudness, int bass_boost, i mpeg_sound_set(SOUND_BASS, bass); mpeg_sound_set(SOUND_TREBLE, treble); + mpeg_sound_set(SOUND_BALANCE, balance); mpeg_sound_set(SOUND_VOLUME, volume); #ifdef HAVE_MAS3587F |