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iRiver: new sound option "prevent clipping:adjust volume/adjust bass/adjust current/off"

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8145 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Anton Oleynikov 2005-12-04 14:33:10 +00:00
parent 5009c9c1b8
commit 2654d91aeb
6 changed files with 221 additions and 16 deletions
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30
apps/lang/english.lang
View file

@ -3466,3 +3466,33 @@ desc: in radio screen / menu
eng: "Mode:"
voice: ""
new:
id: LANG_SCALING_MODE
desc: in sound_settings. How to scale volume/bass to prevent clipping
eng: "Prevent clipping"
voice: "Prevent clipping"
new:
id: LANG_SCALE_OFF
desc: in sound_settings. Do not reduce volume/bass
eng: "Off"
voice: "Off"
new:
id: LANG_SCALE_VOLUME
desc: in sound_settings. Reduce volume
eng: "Adjust volume"
voice: "Adjust volume"
new:
id: LANG_SCALE_BASS
desc: in sound_settings. Reduce bass
eng: "Adjust bass"
voice: "Adjust bass"
new:
id: LANG_SCALE_CURRENT
desc: in sound_settings. Reduce other metric than currently modified
eng: "Adjust current"
voice: "Adjust current"
new:

11
apps/settings.c
View file

@ -85,7 +85,7 @@ const char rec_base_directory[] = REC_BASE_DIR;
#include "dsp.h"
#endif
#define CONFIG_BLOCK_VERSION 33
#define CONFIG_BLOCK_VERSION 34
#define CONFIG_BLOCK_SIZE 512
#define RTC_BLOCK_SIZE 44
@ -210,6 +210,9 @@ static const struct bit_entry rtc_bits[] =
{3, S_O(channel_config), 0, "channels",
"stereo,mono,custom,mono left,mono right,karaoke" },
{8, S_O(stereo_width), 100, "stereo width", NULL},
#ifdef HAVE_UDA1380
{2, S_O(sound_scaling), SOUND_SCALE_VOLUME, "prevent clipping", "adjust volume,adjust bass,adjust current,off"},
#endif
/* playback */
{1, S_O(resume), false, "resume", off_on },
{1, S_O(playlist_shuffle), false, "shuffle", off_on },
@ -836,6 +839,9 @@ void sound_settings_apply(void)
sound_set(SOUND_VOLUME, global_settings.volume);
sound_set(SOUND_CHANNELS, global_settings.channel_config);
sound_set(SOUND_STEREO_WIDTH, global_settings.stereo_width);
#ifdef HAVE_UDA1380
sound_set(SOUND_SCALING, global_settings.sound_scaling);
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
sound_set(SOUND_LOUDNESS, global_settings.loudness);
sound_set(SOUND_AVC, global_settings.avc);
@ -1415,6 +1421,9 @@ void settings_reset(void) {
global_settings.treble = sound_default(SOUND_TREBLE);
global_settings.channel_config = sound_default(SOUND_CHANNELS);
global_settings.stereo_width = sound_default(SOUND_STEREO_WIDTH);
#ifdef HAVE_UDA1380
global_settings.sound_scaling = sound_default(SOUND_SCALING);
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
global_settings.loudness = sound_default(SOUND_LOUDNESS);
global_settings.avc = sound_default(SOUND_AVC);

3
apps/settings.h
View file

@ -157,6 +157,9 @@ struct user_settings
int avc; /* auto volume correct: 0=off, 1=20ms, 2=2s 3=4s 4=8s */
int channel_config; /* Stereo, Mono, Custom, Mono left, Mono right, Karaoke */
int stereo_width; /* 0-255% */
#ifdef HAVE_UDA1380
int sound_scaling; /* Off, Volume, Bass, Current metric */
#endif
int mdb_strength; /* 0-127dB */
int mdb_harmonics; /* 0-100% */
int mdb_center; /* 20-300Hz */

18
apps/sound_menu.c
View file

@ -349,6 +349,21 @@ static bool stereo_width(void)
SOUND_STEREO_WIDTH);
}
#ifdef HAVE_UDA1380
static bool sound_scaling(void)
{
static const struct opt_items names[] = {
{ STR(LANG_SCALE_VOLUME) },
{ STR(LANG_SCALE_BASS) },
{ STR(LANG_SCALE_CURRENT)},
{ STR(LANG_SCALE_OFF) }
};
return set_option(str(LANG_SCALING_MODE), &global_settings.sound_scaling, INT,
names, 4, sound_set_scaling);
}
#endif
bool sound_menu(void)
{
int m;
@ -360,6 +375,9 @@ bool sound_menu(void)
{ ID2P(LANG_BALANCE), balance },
{ ID2P(LANG_CHANNEL_MENU), chanconf },
{ ID2P(LANG_STEREO_WIDTH), stereo_width },
#ifdef HAVE_UDA1380
{ ID2P(LANG_SCALING_MODE), sound_scaling },
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
{ ID2P(LANG_LOUDNESS), loudness },
{ ID2P(LANG_AUTOVOL), avc },

15
firmware/export/sound.h
View file

@ -26,6 +26,9 @@ enum {
SOUND_BALANCE,
SOUND_CHANNELS,
SOUND_STEREO_WIDTH,
#ifdef HAVE_UDA1380
SOUND_SCALING,
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
SOUND_LOUDNESS,
SOUND_AVC,
@ -56,6 +59,15 @@ enum {
SOUND_CHAN_KARAOKE,
};
#ifdef HAVE_UDA1380
enum {
SOUND_SCALE_VOLUME = 0,
SOUND_SCALE_BASS,
SOUND_SCALE_CURRENT,
SOUND_SCALE_OFF
};
#endif
typedef void sound_set_type(int value);
const char *sound_unit(int setting);
@ -72,6 +84,9 @@ void sound_set_bass(int value);
void sound_set_treble(int value);
void sound_set_channels(int value);
void sound_set_stereo_width(int value);
#ifdef HAVE_UDA1380
void sound_set_scaling(int value);
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
void sound_set_loudness(int value);
void sound_set_avc(int value);

158
firmware/sound.c
View file

@ -63,6 +63,7 @@ static const struct sound_settings_info sound_settings_table[] = {
#elif defined(HAVE_UDA1380)
[SOUND_BASS] = {"dB", 0, 2, 0, 24, 0, sound_set_bass},
[SOUND_TREBLE] = {"dB", 0, 2, 0, 6, 0, sound_set_treble},
[SOUND_SCALING] = {"", 0, 1, 0, 1, 0, sound_set_scaling},
#else /* MAS3507D */
[SOUND_BASS] = {"dB", 0, 1, -15, 15, 7, sound_set_bass},
[SOUND_TREBLE] = {"dB", 0, 1, -15, 15, 7, sound_set_treble},
@ -251,6 +252,20 @@ static int tenthdb2master(int db) {
else /* 0.25 dB steps */
return -db * 2 / 5;
}
static int tenthdb2mixer(int db) {
if (db < -720)
return 228;
else if (db < -660)
return 224;
else if (db < -600)
return 216;
else if (db < -470)
return (460 - db) / 5;
else
return -db * 2 / 5;
}
#endif
#if (CONFIG_CODEC == MAS3507D) || defined HAVE_UDA1380
@ -263,6 +278,89 @@ int current_balance = 0; /* -960..+960 -840..+840 */
int current_treble = 0; /* -150..+150 0.. +60 */
int current_bass = 0; /* -150..+150 0..+240 */
#ifdef HAVE_UDA1380
#define MODIFYING_VOLUME 0
#define MODIFYING_BASS 1
#define MODIFYING_BALANCE 2
#define MODIFYING_NONE 3
int current_scaling_mode = SOUND_SCALE_VOLUME;
int current_start_l_r = VOLUME_MAX;
static void set_prescaled_volume_and_bass(int scaling_mode, bool just_balance)
{
int l = VOLUME_MAX, r = VOLUME_MAX, prescale;
int new_bass = 0, new_volume = 0;
if(scaling_mode == SOUND_SCALE_OFF)
{
if (current_volume > VOLUME_MAX)
current_volume = VOLUME_MAX;
new_bass = (current_bass/10) >> 1;
new_volume = tenthdb2mixer(current_volume);
}
else if(scaling_mode == SOUND_SCALE_BASS)
{
if (current_volume > VOLUME_MAX)
current_volume = VOLUME_MAX;
prescale = ((VOLUME_MAX - current_volume) / 20);
if ((current_bass + current_volume) <= VOLUME_MAX)
new_bass = current_bass / 20;
else
new_bass = prescale; /* limit bass with volume */
new_volume = tenthdb2mixer(current_volume);
}
else if(scaling_mode == SOUND_SCALE_VOLUME)
{
prescale = current_bass;
if (prescale < 0)
prescale = 0;
new_bass = (current_bass/10) >> 1;
new_volume = prescale*2/5;
if (current_volume + prescale > VOLUME_MAX)
prescale = VOLUME_MAX - current_volume;
l = r = current_volume + prescale;
}
else if(scaling_mode == SOUND_SCALE_CURRENT)
{
l = r = current_start_l_r;
}
if(!just_balance)
{
uda1380_set_bass(new_bass);
uda1380_set_mixer_vol(new_volume, new_volume);
}
current_start_l_r = l;
if (current_balance > 0) {
l -= current_balance;
if (l < VOLUME_MIN)
l = VOLUME_MIN;
}
if (current_balance < 0) {
r += current_balance;
if (r < VOLUME_MIN)
r = VOLUME_MIN;
}
uda1380_set_master_vol(tenthdb2master(l), tenthdb2master(r));
}
#endif
#if CONFIG_CODEC == MAS3507D
static void set_prescaled_volume(void)
{
int prescale;
@ -273,12 +371,7 @@ static void set_prescaled_volume(void)
prescale = 0; /* no need to prescale if we don't boost
bass or treble */
#if CONFIG_CODEC == MAS3507D
mas_writereg(MAS_REG_KPRESCALE, prescale_table[prescale/10]);
#else /* UDA1380 */
uda1380_set_mixer_vol(prescale*2/5, prescale*2/5);
/* The needed range of 0..-24 dB is fortunately linear */
#endif
/* gain up the analog volume to compensate the prescale gain reduction,
* but limit to the possible maximum */
@ -299,12 +392,28 @@ static void set_prescaled_volume(void)
r = VOLUME_MIN;
}
#if CONFIG_CODEC == MAS3507D
dac_volume(tenthdb2reg(l), tenthdb2reg(r), false);
#else /* UDA1380 */
uda1380_set_master_vol(tenthdb2master(l), tenthdb2master(r));
#endif
}
#endif
#ifdef HAVE_UDA1380
static void set_prescaled_volume(int modifying)
{
if (modifying == MODIFYING_BALANCE)
set_prescaled_volume_and_bass(current_scaling_mode,true);
else if (current_scaling_mode == SOUND_SCALE_OFF)
set_prescaled_volume_and_bass(current_scaling_mode,false);
else if(( (modifying == MODIFYING_BASS)
&& (current_scaling_mode == SOUND_SCALE_CURRENT)) ||
(current_scaling_mode == SOUND_SCALE_VOLUME))
set_prescaled_volume_and_bass(SOUND_SCALE_VOLUME,false);
else if(( (modifying == MODIFYING_VOLUME)
&& (current_scaling_mode == SOUND_SCALE_CURRENT)) ||
(current_scaling_mode == SOUND_SCALE_BASS))
set_prescaled_volume_and_bass(SOUND_SCALE_BASS,false);
}
#endif
#endif /* (CONFIG_CODEC == MAS3507D) || defined HAVE_UDA1380 */
#endif /* !SIMULATOR */
@ -402,9 +511,12 @@ void sound_set_volume(int value)
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
int tmp = 0x7f00 * value / 100;
mas_codec_writereg(0x10, tmp & 0xff00);
#elif (CONFIG_CODEC == MAS3507D) || defined HAVE_UDA1380
#elif (CONFIG_CODEC == MAS3507D)
current_volume = VOLUME_MIN + (value * VOLUME_RANGE / 100);
set_prescaled_volume(); /* tenth of dB */
#elif defined HAVE_UDA1380
current_volume = VOLUME_MIN + (value * VOLUME_RANGE / 100);
set_prescaled_volume(MODIFYING_VOLUME); /* tenth of dB */
#elif (CONFIG_CPU == PP5020)
/* TODO: Implement sound_set_volume() */
(void)value;
@ -418,9 +530,12 @@ void sound_set_balance(int value)
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
int tmp = ((value * 127 / 100) & 0xff) << 8;
mas_codec_writereg(0x11, tmp & 0xff00);
#elif CONFIG_CODEC == MAS3507D || defined HAVE_UDA1380
#elif CONFIG_CODEC == MAS3507D
current_balance = value * VOLUME_RANGE / 100; /* tenth of dB */
set_prescaled_volume();
#elif defined HAVE_UDA1380
current_balance = value * VOLUME_RANGE / 100; /* tenth of dB */
set_prescaled_volume(MODIFYING_BALANCE);
#elif (CONFIG_CPU == PP5020)
/* TODO: Implement sound_set_balance() */
(void)value;
@ -439,9 +554,8 @@ void sound_set_bass(int value)
current_bass = value * 10;
set_prescaled_volume();
#elif defined(HAVE_UDA1380)
uda1380_set_bass(value >> 1);
current_bass = value * 10;
set_prescaled_volume();
set_prescaled_volume(MODIFYING_BASS);
#elif (CONFIG_CPU == PP5020)
/* TODO: Implement sound_set_bass() */
(void)value;
@ -462,7 +576,6 @@ void sound_set_treble(int value)
#elif defined(HAVE_UDA1380)
uda1380_set_treble(value >> 1);
current_treble = value * 10;
set_prescaled_volume();
#elif (CONFIG_CPU == PP5020)
/* TODO: Implement sound_set_treble() */
(void)value;
@ -486,6 +599,16 @@ void sound_set_stereo_width(int value)
set_channel_config();
}
#ifdef HAVE_UDA1380
void sound_set_scaling(int value)
{
current_scaling_mode = value;
if(!audio_is_initialized)
return;
set_prescaled_volume(MODIFYING_NONE);
}
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
void sound_set_loudness(int value)
{
@ -603,6 +726,13 @@ void sound_set_stereo_width(int value)
(void)value;
}
#ifdef HAVE_UDA1380
void sound_set_scaling(int value)
{
(void)value;
}
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
void sound_set_loudness(int value)
{