Get VU Meter plugin working on SWCODEC targets. Still needs to be scaled to fit better on larger displays. Also requires bumping the plugin API versions.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8915 a1c6a512-1295-4272-9138-f99709370657
2025-10-13 18:17:39 -04:00 · 2006-03-05 19:34:54 +00:00 · 2006-03-05 19:34:54 +00:00 · d108849812
commit d108849812
parent 780e8dd0ef
3 changed files with 109 additions and 31 deletions
--- a/apps/plugin.c
+++ b/apps/plugin.c
@ -52,6 +52,7 @@
 #include "splash.h"
 #if (CONFIG_CODEC == SWCODEC)
 #include "pcm_playback.h"
+#include "dsp.h"
 #endif

 #ifdef HAVE_CHARGING
@ -310,9 +311,8 @@ static const struct plugin_api rockbox_api = {
 #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
    mpeg_get_last_header,
 #endif
-#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
+
    sound_set_pitch,
-#endif

 #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
    /* MAS communication */
@ -407,6 +407,10 @@ static const struct plugin_api rockbox_api = {
    sim_lcd_ex_init,
    sim_lcd_ex_update_rect,
 #endif
+
+#if (CONFIG_CODEC == SWCODEC)
+    pcm_calculate_peaks,
+#endif
 };

 int plugin_load(const char* plugin, void* parameter)
--- a/apps/plugin.h
+++ b/apps/plugin.h
@ -52,6 +52,7 @@
 #include "misc.h"
 #if (HWCODEC == SWCODEC)
 #include "pcm_playback.h"
+#include "dsp.h"
 #endif
 #include "settings.h"
 #include "timer.h"
@ -98,12 +99,12 @@
 #define PLUGIN_MAGIC 0x526F634B /* RocK */

 /* increase this every time the api struct changes */
-#define PLUGIN_API_VERSION 9
+#define PLUGIN_API_VERSION 10

 /* update this to latest version if a change to the api struct breaks
   backwards compatibility (and please take the opportunity to sort in any 
   new function which are "waiting" at the end of the function table) */
-#define PLUGIN_MIN_API_VERSION 7
+#define PLUGIN_MIN_API_VERSION 8

 /* plugin return codes */
 enum plugin_status {
@ -167,7 +168,7 @@ struct plugin_api {
    void (*lcd_bitmap_transparent_part)(const fb_data *src,
            int src_x, int src_y, int stride,
            int x, int y, int width, int height);
-  	void (*lcd_bitmap_transparent)(const fb_data *src, int x, int y,
+    void (*lcd_bitmap_transparent)(const fb_data *src, int x, int y,
            int width, int height);
 #endif
    void (*lcd_putsxy)(int x, int y, const unsigned char *string);
@ -364,9 +365,8 @@ struct plugin_api {
 #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
    unsigned long (*mpeg_get_last_header)(void);
 #endif
-#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
+
    void (*sound_set_pitch)(int pitch);        
-#endif

    /* MAS communication */
 #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
@ -418,7 +418,7 @@ struct plugin_api {
    bool (*charger_inserted)(void);
 # ifdef HAVE_CHARGE_STATE
    bool (*charging_state)(void);
-# endif    
+# endif
 #endif
 #ifdef HAVE_USB_POWER
    bool (*usb_powered)(void);
@ -465,15 +465,19 @@ struct plugin_api {
 #endif
    int (*show_logo)(void);

-    /* new stuff at the end, sort into place next time
-       the API gets incompatible */     
-
    struct tree_context* (*tree_get_context)(void);
 #if defined(SIMULATOR) && defined(HAVE_LCD_BITMAP) && LCD_DEPTH < 8
    void (*sim_lcd_ex_init)(int shades, unsigned long (*getpixel)(int, int));
    void (*sim_lcd_ex_update_rect)(int x, int y, int width, int height);
 #endif
    
+#if (CONFIG_CODEC == SWCODEC)
+    void (*pcm_calculate_peaks)(int *left, int *right);
+#endif
+
+    /* new stuff at the end, sort into place next time
+       the API gets incompatible */     
+
 };

 /* plugin header */
--- a/apps/plugins/vu_meter.c
+++ b/apps/plugins/vu_meter.c
@ -17,7 +17,7 @@
 **************************************************************************/
 #include "plugin.h"

-#if defined(HAVE_LCD_BITMAP) && (CONFIG_CODEC != SWCODEC)
+#if defined(HAVE_LCD_BITMAP)

 PLUGIN_HEADER

@ -28,6 +28,10 @@ PLUGIN_HEADER
 #define VUMETER_MENU BUTTON_F1
 #define VUMETER_MENU_EXIT BUTTON_F1
 #define VUMETER_MENU_EXIT2 BUTTON_OFF
+#define VUMETER_LEFT BUTTON_LEFT
+#define VUMETER_RIGHT BUTTON_RIGHT
+#define VUMETER_UP BUTTON_UP
+#define VUMETER_DOWN BUTTON_DOWN

 #elif CONFIG_KEYPAD == ONDIO_PAD
 #define VUMETER_QUIT BUTTON_OFF
@ -37,12 +41,62 @@ PLUGIN_HEADER
 #define VUMETER_MENU (BUTTON_MENU | BUTTON_REPEAT)
 #define VUMETER_MENU_EXIT BUTTON_MENU
 #define VUMETER_MENU_EXIT2 BUTTON_OFF
+#define VUMETER_LEFT BUTTON_LEFT
+#define VUMETER_RIGHT BUTTON_RIGHT
+#define VUMETER_UP BUTTON_UP
+#define VUMETER_DOWN BUTTON_DOWN
+
+#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
+      (CONFIG_KEYPAD == IRIVER_H300_PAD)
+#define VUMETER_QUIT BUTTON_OFF
+#define VUMETER_HELP BUTTON_ON
+#define VUMETER_MENU BUTTON_SELECT
+#define VUMETER_MENU_EXIT BUTTON_SELECT
+#define VUMETER_MENU_EXIT2 BUTTON_OFF
+#define VUMETER_LEFT BUTTON_LEFT
+#define VUMETER_RIGHT BUTTON_RIGHT
+#define VUMETER_UP BUTTON_UP
+#define VUMETER_DOWN BUTTON_DOWN
+
+#elif (CONFIG_KEYPAD == IPOD_3G_PAD) || \
+      (CONFIG_KEYPAD == IPOD_4G_PAD)
+#define VUMETER_QUIT BUTTON_MENU
+#define VUMETER_HELP BUTTON_PLAY
+#define VUMETER_MENU BUTTON_SELECT
+#define VUMETER_MENU_EXIT BUTTON_SELECT
+#define VUMETER_MENU_EXIT2 BUTTON_MENU
+#define VUMETER_LEFT BUTTON_LEFT
+#define VUMETER_RIGHT BUTTON_RIGHT
+#define VUMETER_UP BUTTON_SCROLL_FWD
+#define VUMETER_DOWN BUTTON_SCROLL_BACK
+
+#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
+#define VUMETER_QUIT BUTTON_POWER
+#define VUMETER_HELP BUTTON_A
+#define VUMETER_MENU BUTTON_SELECT
+#define VUMETER_MENU_EXIT BUTTON_SELECT
+#define VUMETER_MENU_EXIT2 BUTTON_POWER
+#define VUMETER_LEFT BUTTON_LEFT
+#define VUMETER_RIGHT BUTTON_RIGHT
+#define VUMETER_UP BUTTON_UP
+#define VUMETER_DOWN BUTTON_DOWN
+
+#elif CONFIG_KEYPAD == IAUDIO_X5_PAD
+#define VUMETER_QUIT BUTTON_POWER
+#define VUMETER_HELP BUTTON_PLAY
+#define VUMETER_MENU BUTTON_SELECT
+#define VUMETER_MENU_EXIT BUTTON_SELECT
+#define VUMETER_MENU_EXIT2 BUTTON_POWER
+#define VUMETER_LEFT BUTTON_LEFT
+#define VUMETER_RIGHT BUTTON_RIGHT
+#define VUMETER_UP BUTTON_UP
+#define VUMETER_DOWN BUTTON_DOWN

 #endif

 const struct plugin_api* rb;

-#ifdef SIMULATOR
+#if SIMULATOR && (CONFIG_CODEC != SWCODEC)
 #define mas_codec_readreg(x) rand()%MAX_PEAK
 #endif

@ -229,7 +283,7 @@ void change_settings(void)
                quit = true;
                break;

-            case BUTTON_LEFT:
+            case VUMETER_LEFT:
                if(selected_setting==0)
                    settings.meter_type == DIGITAL ? settings.meter_type = ANALOG : settings.meter_type++;
                if(settings.meter_type==ANALOG) {
@ -250,7 +304,7 @@ void change_settings(void)
                }
                break;

-            case BUTTON_RIGHT:
+            case VUMETER_RIGHT:
                if(selected_setting==0)
                    settings.meter_type == DIGITAL ? settings.meter_type = ANALOG : settings.meter_type++;
                if(settings.meter_type==ANALOG) {
@ -271,11 +325,11 @@ void change_settings(void)
                }
                break;

-            case BUTTON_DOWN:
+            case VUMETER_UP:
                selected_setting == 3 ? selected_setting=0 : selected_setting++;
                break;

-            case BUTTON_UP:
+            case VUMETER_DOWN:
                selected_setting == 0 ? selected_setting=3 : selected_setting--;
        }
    }
@ -334,14 +388,22 @@ void draw_digital_minimeters(void) {
 }

 void analog_meter(void) {
-    if(settings.analog_use_db_scale) {
-        left_needle_top_x = analog_db_scale[rb->mas_codec_readreg(0xC)*56/MAX_PEAK];
-        right_needle_top_x = analog_db_scale[rb->mas_codec_readreg(0xD)*56/MAX_PEAK]+56;
-    }

+#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
+    int left_peak = rb->mas_codec_readreg(0xC);
+    int right_peak = rb->mas_codec_readreg(0xD);
+#elif (CONFIG_CODEC == SWCODEC)
+    int left_peak, right_peak;
+    rb->pcm_calculate_peaks(&left_peak, &right_peak);
+#endif
+
+    if(settings.analog_use_db_scale) {
+        left_needle_top_x = analog_db_scale[left_peak * 56 / MAX_PEAK];
+        right_needle_top_x = analog_db_scale[right_peak * 56 / MAX_PEAK] + 56;
+    }
    else {
-        left_needle_top_x = rb->mas_codec_readreg(0xC) * 56 / MAX_PEAK;
-        right_needle_top_x = (rb->mas_codec_readreg(0xD) * 56 / MAX_PEAK)+56;
+        left_needle_top_x = left_peak * 56 / MAX_PEAK;
+        right_needle_top_x = right_peak * 56 / MAX_PEAK + 56;
    }

    /* Makes a decay on the needle */
@ -382,13 +444,21 @@ void analog_meter(void) {
 }

 void digital_meter(void) {
+#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
+    int left_peak = rb->mas_codec_readreg(0xC);
+    int right_peak = rb->mas_codec_readreg(0xD);
+#elif (CONFIG_CODEC == SWCODEC)
+    int left_peak, right_peak;
+    rb->pcm_calculate_peaks(&left_peak, &right_peak);
+#endif
+
    if(settings.digital_use_db_scale) {
-        num_left_leds = digital_db_scale[rb->mas_codec_readreg(0xC) * 44 / MAX_PEAK];
-        num_right_leds = digital_db_scale[rb->mas_codec_readreg(0xD) * 44 / MAX_PEAK];
+        num_left_leds = digital_db_scale[left_peak * 44 / MAX_PEAK];
+        num_right_leds = digital_db_scale[right_peak * 44 / MAX_PEAK];
    }
    else {
-        num_left_leds = rb->mas_codec_readreg(0xC) * 11 / MAX_PEAK;
-        num_right_leds = rb->mas_codec_readreg(0xD) * 11 / MAX_PEAK;
+        num_left_leds = left_peak * 11 / MAX_PEAK;
+        num_right_leds = right_peak * 11 / MAX_PEAK;
    }

    num_left_leds = (num_left_leds+last_num_left_leds*settings.digital_decay)/(settings.digital_decay+1);
@ -481,13 +551,13 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) {
                change_settings();
                break;

-            case BUTTON_UP:
-            case BUTTON_UP | BUTTON_REPEAT:
+            case VUMETER_UP:
+            case VUMETER_UP | BUTTON_REPEAT:
                change_volume(1);
                break;

-            case BUTTON_DOWN:
-            case BUTTON_DOWN | BUTTON_REPEAT:
+            case VUMETER_DOWN:
+            case VUMETER_DOWN | BUTTON_REPEAT:
                change_volume(-1);
                break;