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-rw-r--r--apps/SOURCES1
-rw-r--r--apps/dsp.c58
-rw-r--r--apps/dsp.h1
-rw-r--r--apps/eq.c8
-rw-r--r--apps/lang/english.lang54
-rw-r--r--apps/settings.c22
-rw-r--r--apps/settings.h34
-rw-r--r--apps/sound_menu.c2
-rwxr-xr-xtools/buildzip.pl1
-rw-r--r--uisimulator/sdl/button.c2
10 files changed, 176 insertions, 7 deletions
diff --git a/apps/SOURCES b/apps/SOURCES
index 35f78c455e..ef65789588 100644
--- a/apps/SOURCES
+++ b/apps/SOURCES
@@ -78,4 +78,5 @@ eq_cf.S
#elif defined(CPU_ARM) && !defined(SIMULATOR)
eq_arm.S
#endif
+eq_menu.c
#endif
diff --git a/apps/dsp.c b/apps/dsp.c
index 789cf72b20..f403674ba2 100644
--- a/apps/dsp.c
+++ b/apps/dsp.c
@@ -145,6 +145,7 @@ struct dsp_config
bool dither_enabled;
bool new_gain;
bool crossfeed_enabled;
+ bool eq_enabled;
};
struct resample_data
@@ -618,6 +619,52 @@ static void apply_crossfeed(long* src[], int count)
}
#endif
+#define EQ_CUTOFF_USER2REAL(x) (0xffffffff / dsp->frequency * (x))
+#define EQ_Q_USER2REAL(x) (((x) << 16) / 10)
+#define EQ_GAIN_USER2REAL(x) (((x) << 16) / 10)
+
+/* Synchronize the EQ filters with the global settings */
+static void eq_update_data()
+{
+ int i;
+ int *setting;
+ int gain, cutoff, q, maxgain;
+
+ /* Don't do anything if we're not playing */
+ if (dsp->frequency == 0)
+ return;
+
+ setting = &global_settings.eq_band0_cutoff;
+ maxgain = 0;
+
+ /* Iterate over each band and update the appropriate filter */
+ for(i = 0; i < 5; i++) {
+ cutoff = *setting++;
+ q = *setting++;
+ gain = *setting++;
+
+ /* Keep track of maxgain for the pre-amp */
+ if (gain > maxgain)
+ maxgain = gain;
+
+ if (gain == 0) {
+ eq_data.enabled[i] = 0;
+ } else {
+ if (i == 0)
+ eq_ls_coefs(EQ_CUTOFF_USER2REAL(cutoff), EQ_Q_USER2REAL(q),
+ EQ_GAIN_USER2REAL(gain), eq_data.filters[0].coefs);
+ else if (i == 4)
+ eq_hs_coefs(EQ_CUTOFF_USER2REAL(cutoff), EQ_Q_USER2REAL(q),
+ EQ_GAIN_USER2REAL(gain), eq_data.filters[4].coefs);
+ else
+ eq_pk_coefs(EQ_CUTOFF_USER2REAL(cutoff), EQ_Q_USER2REAL(q),
+ EQ_GAIN_USER2REAL(gain), eq_data.filters[i].coefs);
+
+ eq_data.enabled[i] = 1;
+ }
+ }
+}
+
/* Apply EQ filters to those bands that have got it switched on. */
static void eq_process(long **x, unsigned num)
{
@@ -737,6 +784,9 @@ long dsp_process(char* dst, char* src[], long size)
size /= dsp->sample_bytes * factor;
dsp_set_replaygain(false);
+ if (dsp->eq_enabled)
+ eq_update_data();
+
while (size > 0)
{
samples = convert_to_internal(src, size, tmp);
@@ -745,8 +795,7 @@ long dsp_process(char* dst, char* src[], long size)
samples = resample(tmp, samples);
if (dsp->crossfeed_enabled && dsp->stereo_mode != STEREO_MONO)
apply_crossfeed(tmp, samples);
- /* TODO: Might want to wrap this with a generic eq_enabled when the
- settings are in place */
+ if (dsp->eq_enabled)
eq_process(tmp, samples);
write_samples((short*) dst, tmp, samples);
written += samples;
@@ -943,6 +992,11 @@ bool dsp_configure(int setting, void *value)
return 1;
}
+void dsp_set_eq(bool enable)
+{
+ dsp->eq_enabled = enable;
+}
+
void dsp_set_crossfeed(bool enable)
{
if (enable)
diff --git a/apps/dsp.h b/apps/dsp.h
index f86a4d9989..11b20b1866 100644
--- a/apps/dsp.h
+++ b/apps/dsp.h
@@ -54,6 +54,7 @@ int dsp_stereo_mode(void);
bool dsp_configure(int setting, void *value);
void dsp_set_replaygain(bool always);
void dsp_set_crossfeed(bool enable);
+void dsp_set_eq(bool enable);
void sound_set_pitch(int r);
int sound_get_pitch(void);
#endif
diff --git a/apps/eq.c b/apps/eq.c
index 17165be541..7921028403 100644
--- a/apps/eq.c
+++ b/apps/eq.c
@@ -32,11 +32,11 @@
*/
#define DIV64(x, y, z) (long)(((long long)(x) << (z))/(y))
-/* TODO: This macro requires the EMAC unit to be in fractional mode
- when the coef generator routines are called. If this can be guaranteeed,
- then remove the "&& 0" below for faster coef calculation on Coldfire.
+/* This macro requires the EMAC unit to be in fractional mode
+ when the coef generator routines are called. If this can't be guaranteeed,
+ then add "&& 0" below. This will use a slower coef calculation on Coldfire.
*/
-#if defined(CPU_COLDFIRE) && !defined(SIMULATOR) && 0
+#if defined(CPU_COLDFIRE) && !defined(SIMULATOR)
#define FRACMUL(x, y) \
({ \
long t; \
diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index a2803ad432..f024d645fe 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -3599,3 +3599,57 @@ eng: "Backdrop failed"
voice: "Backdrop failed"
new:
+id: LANG_EQUALIZER
+desc: in the sound settings menu
+eng: "Equalizer"
+voice: "Equalizer"
+new:
+
+id: LANG_EQUALIZER_SETTINGS
+desc: in the equalizer menu
+eng: "Browse EQ Presets"
+voice: "Browse EQ Presets"
+new:
+
+id: LANG_EQUALIZER_GRAPHICAL
+desc: in the equalizer menu
+eng: "Graphical EQ"
+voice: "Graphical EQ"
+new:
+
+id: LANG_EQUALIZER_GAIN
+desc: in the equalizer menu
+eng: "EQ Gain"
+voice: "EQ Gain"
+new:
+
+id: LANG_EQUALIZER_GAIN_ITEM
+desc: in the equalizer menu
+eng: "%d Hz Band Gain"
+voice: ""
+new:
+
+id: LANG_EQUALIZER_ADVANCED
+desc: in the equalizer menu
+eng: "EQ Advanced Settings"
+voice: "EQ Advanced Settings"
+new:
+
+id: LANG_EQUALIZER_BAND_CUTOFF
+desc: in the equalizer menu
+eng: "Cutoff"
+voice: "Cutoff"
+new:
+
+id: LANG_EQUALIZER_BAND_Q
+desc: in the equalizer menu
+eng: "Q"
+voice: "Q"
+new:
+
+id: LANG_EQUALIZER_BAND_GAIN
+desc: in the equalizer menu
+eng: "Gain"
+voice: "Gain"
+new:
+
diff --git a/apps/settings.c b/apps/settings.c
index 07db21ef66..fd1b530890 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -508,6 +508,28 @@ static const struct bit_entry hd_bits[] =
#endif
#endif /* HAVE_LCD_BITMAP */
+#if CONFIG_CODEC == SWCODEC
+ {1, S_O(eq_enabled), false, "eq enabled", off_on },
+ /* 0..32768 Hz */
+ {15, S_O(eq_band0_cutoff), 60, "eq band 0 cutoff", NULL },
+ {15, S_O(eq_band1_cutoff), 200, "eq band 1 cutoff", NULL },
+ {15, S_O(eq_band2_cutoff), 800, "eq band 2 cutoff", NULL },
+ {15, S_O(eq_band3_cutoff), 4000, "eq band 3 cutoff", NULL },
+ {15, S_O(eq_band4_cutoff), 12000, "eq band 4 cutoff", NULL },
+ /* 0..64 (or 0.0 to 6.4) */
+ {6, S_O(eq_band0_q), 7, "eq band 0 q", NULL },
+ {6, S_O(eq_band1_q), 10, "eq band 1 q", NULL },
+ {6, S_O(eq_band2_q), 10, "eq band 2 q", NULL },
+ {6, S_O(eq_band3_q), 10, "eq band 3 q", NULL },
+ {6, S_O(eq_band4_q), 7, "eq band 4 q", NULL },
+ /* -240..240 (or -24db to +24db) */
+ {9|SIGNED, S_O(eq_band0_gain), 0, "eq band 0 gain", NULL },
+ {9|SIGNED, S_O(eq_band1_gain), 0, "eq band 1 gain", NULL },
+ {9|SIGNED, S_O(eq_band2_gain), 0, "eq band 2 gain", NULL },
+ {9|SIGNED, S_O(eq_band3_gain), 0, "eq band 3 gain", NULL },
+ {9|SIGNED, S_O(eq_band4_gain), 0, "eq band 4 gain", NULL },
+#endif
+
/* If values are just added to the end, no need to bump the version. */
/* new stuff to be added at the end */
diff --git a/apps/settings.h b/apps/settings.h
index bb58336202..bb401b674e 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -39,6 +39,7 @@
#define PLUGIN_DIR ROCKBOX_DIR"/rocks"
#define BACKDROP_DIR ROCKBOX_DIR"/backdrops"
#define REC_BASE_DIR "/recordings"
+#define EQS_DIR ROCKBOX_DIR "/eqs"
#define MAX_FILENAME 20
@@ -408,6 +409,39 @@ struct user_settings
int brightness; /* iriver h300: backlight PWM value: 2..15
(0 and 1 are black) */
#endif
+
+#if CONFIG_CODEC == SWCODEC
+ bool eq_enabled; /* Enable equalizer */
+
+ /* Order is important here, must be cutoff, q, then gain for each band.
+ See dsp_eq_update_data in dsp.c for why. */
+
+ /* Band 0 settings */
+ int eq_band0_cutoff; /* Hz */
+ int eq_band0_q;
+ int eq_band0_gain; /* +/- dB */
+
+ /* Band 1 settings */
+ int eq_band1_cutoff; /* Hz */
+ int eq_band1_q;
+ int eq_band1_gain; /* +/- dB */
+
+ /* Band 2 settings */
+ int eq_band2_cutoff; /* Hz */
+ int eq_band2_q;
+ int eq_band2_gain; /* +/- dB */
+
+ /* Band 3 settings */
+ int eq_band3_cutoff; /* Hz */
+ int eq_band3_q;
+ int eq_band3_gain; /* +/- dB */
+
+ /* Band 4 settings */
+ int eq_band4_cutoff; /* Hz */
+ int eq_band4_q;
+ int eq_band4_gain; /* +/- dB */
+#endif
+
#ifdef HAVE_LCD_COLOR
unsigned char backdrop_file[MAX_FILENAME+1]; /* backdrop bitmap file */
#endif
diff --git a/apps/sound_menu.c b/apps/sound_menu.c
index e44aa68231..2bd0ff6e59 100644
--- a/apps/sound_menu.c
+++ b/apps/sound_menu.c
@@ -45,6 +45,7 @@
#include "splash.h"
#if CONFIG_CODEC == SWCODEC
#include "dsp.h"
+#include "eq_menu.h"
#endif
int selected_setting; /* Used by the callback */
@@ -379,6 +380,7 @@ bool sound_menu(void)
{ ID2P(LANG_STEREO_WIDTH), stereo_width },
#if CONFIG_CODEC == SWCODEC
{ ID2P(LANG_CROSSFEED), crossfeed },
+ { ID2P(LANG_EQUALIZER), eq_menu },
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
{ ID2P(LANG_LOUDNESS), loudness },
diff --git a/tools/buildzip.pl b/tools/buildzip.pl
index a9af7619db..fad73624ed 100755
--- a/tools/buildzip.pl
+++ b/tools/buildzip.pl
@@ -91,6 +91,7 @@ sub buildzip {
mkdir ".rockbox/wps", 0777;
mkdir ".rockbox/themes", 0777;
mkdir ".rockbox/backdrops", 0777;
+ mkdir ".rockbox/eqs", 0777;
my $c = 'find apps -name "*.codec" ! -empty -exec cp {} .rockbox/codecs/ \;';
print `$c`;
diff --git a/uisimulator/sdl/button.c b/uisimulator/sdl/button.c
index 5def88b9af..e8db43930f 100644
--- a/uisimulator/sdl/button.c
+++ b/uisimulator/sdl/button.c
@@ -135,7 +135,7 @@ void button_event(int key, bool pressed)
break;
#endif
- case SDLK_PERIOD:
+ case SDLK_KP_PERIOD:
case SDLK_INSERT:
#ifdef BUTTON_MENU
new_btn = BUTTON_MENU;