diff --git a/apps/gui/pitchscreen.c b/apps/gui/pitchscreen.c index 871921a10f..9f42aedb5d 100644 --- a/apps/gui/pitchscreen.c +++ b/apps/gui/pitchscreen.c @@ -18,1059 +18,8 @@ * KIND, either express or implied. * ****************************************************************************/ - -#include -#include -#include -#include -#include /* for abs() */ -#include "config.h" -#include "action.h" -#include "sound.h" -#include "pcmbuf.h" -#include "lang.h" -#include "icons.h" -#include "screens.h" -#include "talk.h" -#include "viewport.h" -#include "font.h" -#include "system.h" -#include "misc.h" -#include "pitchscreen.h" -#include "settings.h" -#include "tdspeed.h" - -#define ICON_BORDER 12 /* icons are currently 7x8, so add ~2 pixels */ - /* on both sides when drawing */ - -#define PITCH_MAX (200 * PITCH_SPEED_PRECISION) -#define PITCH_MIN (50 * PITCH_SPEED_PRECISION) -#define PITCH_SMALL_DELTA (PITCH_SPEED_PRECISION / 10) /* .1% */ -#define PITCH_BIG_DELTA (PITCH_SPEED_PRECISION) /* 1% */ -#define PITCH_NUDGE_DELTA (2 * PITCH_SPEED_PRECISION) /* 2% */ - -#define SPEED_SMALL_DELTA (PITCH_SPEED_PRECISION / 10) /* .1% */ -#define SPEED_BIG_DELTA (PITCH_SPEED_PRECISION) /* 1% */ - -#define SEMITONE_SMALL_DELTA (PITCH_SPEED_PRECISION / 10) /* 10 cents */ -#define SEMITONE_BIG_DELTA PITCH_SPEED_PRECISION /* 1 semitone */ - -enum -{ - PITCH_TOP = 0, - PITCH_MID, - PITCH_BOTTOM, - PITCH_ITEM_COUNT, -}; - - -/* This is a table of semitone percentage values of the appropriate - precision (based on PITCH_SPEED_PRECISION). Note that these are - all constant expressions, which will be evaluated at compile time, - so no need to worry about how complex the expressions look. - That's just to get the precision right. - - I calculated these values, starting from 50, as - - x(n) = 50 * 2^(n/12) - - All that math in each entry simply converts the float constant - to an integer equal to PITCH_SPEED_PRECISION times the float value, - with as little precision loss as possible (i.e. correctly rounding - the last digit). -*/ -#define TO_INT_WITH_PRECISION(x) \ - ( (unsigned short)(((x) * PITCH_SPEED_PRECISION * 10 + 5) / 10) ) - -static const unsigned short semitone_table[] = -{ - TO_INT_WITH_PRECISION(50.00000000), /* Octave lower */ - TO_INT_WITH_PRECISION(52.97315472), - TO_INT_WITH_PRECISION(56.12310242), - TO_INT_WITH_PRECISION(59.46035575), - TO_INT_WITH_PRECISION(62.99605249), - TO_INT_WITH_PRECISION(66.74199271), - TO_INT_WITH_PRECISION(70.71067812), - TO_INT_WITH_PRECISION(74.91535384), - TO_INT_WITH_PRECISION(79.37005260), - TO_INT_WITH_PRECISION(84.08964153), - TO_INT_WITH_PRECISION(89.08987181), - TO_INT_WITH_PRECISION(94.38743127), - TO_INT_WITH_PRECISION(100.0000000), /* Normal sound */ - TO_INT_WITH_PRECISION(105.9463094), - TO_INT_WITH_PRECISION(112.2462048), - TO_INT_WITH_PRECISION(118.9207115), - TO_INT_WITH_PRECISION(125.9921049), - TO_INT_WITH_PRECISION(133.4839854), - TO_INT_WITH_PRECISION(141.4213562), - TO_INT_WITH_PRECISION(149.8307077), - TO_INT_WITH_PRECISION(158.7401052), - TO_INT_WITH_PRECISION(168.1792831), - TO_INT_WITH_PRECISION(178.1797436), - TO_INT_WITH_PRECISION(188.7748625), - TO_INT_WITH_PRECISION(200.0000000) /* Octave higher */ -}; - -#define NUM_SEMITONES ((int)(sizeof(semitone_table)/sizeof(semitone_table[0]))) -#define SEMITONE_END (NUM_SEMITONES/2) -#define SEMITONE_START (-SEMITONE_END) - -/* A table of values for approximating the cent curve with - linear interpolation. Multipy the next lowest semitone - by this much to find the corresponding cent percentage. - - These values were calculated as - x(n) = 100 * 2^(n * 20/1200) -*/ - -static const unsigned short cent_interp[] = -{ - TO_INT_WITH_PRECISION(100.0000000), - TO_INT_WITH_PRECISION(101.1619440), - TO_INT_WITH_PRECISION(102.3373892), - TO_INT_WITH_PRECISION(103.5264924), - TO_INT_WITH_PRECISION(104.7294123), - /* this one's the next semitone but we have it here for convenience */ - TO_INT_WITH_PRECISION(105.9463094), -}; - -/* Number of cents between entries in the cent_interp table */ -#define CENT_INTERP_INTERVAL 20 -#define CENT_INTERP_NUM ((int)(sizeof(cent_interp)/sizeof(cent_interp[0]))) - -/* This stores whether the pitch and speed are at their own limits */ -/* or that of the timestretching algorithm */ -static bool at_limit = false; - -/* - * - * The pitchscreen is divided into 3 viewports (each row is a viewport) - * Then each viewport is again divided into 3 colums, each showsing some infos - * Additionally, on touchscreen, each cell represents a button - * - * Below a sketch describing what each cell will show (what's drawn on it) - * -------------------------- - * | | | | <-- pitch up in the middle (text and button) - * | | | | <-- arrows for mode toggling on the sides for touchscreen - * |------------------------| - * | | | | <-- semitone/speed up/down on the sides - * | | | | <-- reset pitch&speed in the middle - * |------------------------| - * | | | | <-- pitch down in the middle - * | | | | <-- Two "OK" for exit on the sides for touchscreen - * |------------------------| - * - * - */ - -static void speak_pitch_mode(bool enqueue) -{ - bool timestretch_mode = global_settings.pitch_mode_timestretch && dsp_timestretch_available(); - if (timestretch_mode) - talk_id(VOICE_PITCH_TIMESTRETCH_MODE, enqueue); - if (global_settings.pitch_mode_semitone) - talk_id(VOICE_PITCH_SEMITONE_MODE, timestretch_mode ? true : enqueue); - else - talk_id(VOICE_PITCH_ABSOLUTE_MODE, timestretch_mode ? true : enqueue); - return; -} - -/* - * Fixes the viewports so they represent the 3 rows, and adds a little margin - * on all sides for the icons (which are drawn outside of the grid - * - * The modified viewports need to be passed to the touchscreen handling function - **/ -static void pitchscreen_fix_viewports(struct viewport *parent, - struct viewport pitch_viewports[PITCH_ITEM_COUNT]) -{ - int i, font_height; - font_height = font_get(parent->font)->height; - for (i = 0; i < PITCH_ITEM_COUNT; i++) - { - pitch_viewports[i] = *parent; - pitch_viewports[i].height = parent->height / PITCH_ITEM_COUNT; - pitch_viewports[i].x += ICON_BORDER; - pitch_viewports[i].width -= 2*ICON_BORDER; - } - pitch_viewports[PITCH_TOP].y += ICON_BORDER; - pitch_viewports[PITCH_TOP].height -= ICON_BORDER; - - if(pitch_viewports[PITCH_MID].height < font_height * 2) - pitch_viewports[PITCH_MID].height = font_height * 2; - - pitch_viewports[PITCH_MID].y = pitch_viewports[PITCH_TOP].y - + pitch_viewports[PITCH_TOP].height; - - pitch_viewports[PITCH_BOTTOM].y = pitch_viewports[PITCH_MID].y - + pitch_viewports[PITCH_MID].height; - - pitch_viewports[PITCH_BOTTOM].height -= ICON_BORDER; -} - -/* must be called before pitchscreen_draw, or within - * since it neither clears nor updates the display */ -static void pitchscreen_draw_icons(struct screen *display, - struct viewport *parent) -{ - display->set_viewport(parent); - display->mono_bitmap(bitmap_icons_7x8[Icon_UpArrow], - parent->width/2 - 3, - 2, 7, 8); - display->mono_bitmap(bitmap_icons_7x8[Icon_DownArrow], - parent->width /2 - 3, - parent->height - 10, 7, 8); - display->mono_bitmap(bitmap_icons_7x8[Icon_FastForward], - parent->width - 10, - parent->height /2 - 4, 7, 8); - display->mono_bitmap(bitmap_icons_7x8[Icon_FastBackward], - 2, - parent->height /2 - 4, 7, 8); - display->update_viewport(); -} - -static void pitchscreen_draw(struct screen *display, int max_lines, - struct viewport pitch_viewports[PITCH_ITEM_COUNT], - int32_t pitch, int32_t semitone - ,int32_t speed - ) -{ - const char* ptr; - char buf[32]; - int w, h; - bool show_lang_pitch; - struct viewport *last_vp = NULL; - - /* "Pitch up/Pitch down" - hide for a small screen, - * the text is drawn centered automatically - * - * note: this assumes 5 lines always fit on a touchscreen (should be - * reasonable) */ - if (max_lines >= 5) - { - int w, h; - struct viewport *vp = &pitch_viewports[PITCH_TOP]; - last_vp = display->set_viewport(vp); - display->clear_viewport(); -#ifdef HAVE_TOUCHSCREEN - /* two arrows in the top row, left and right column */ - char *arrows[] = { "<", ">"}; - display->getstringsize(arrows[0], &w, &h); - display->putsxy(0, vp->height/2 - h/2, arrows[0]); - display->putsxy(vp->width - w, vp->height/2 - h/2, arrows[1]); -#endif - /* UP: Pitch Up */ - if (global_settings.pitch_mode_semitone) - ptr = str(LANG_PITCH_UP_SEMITONE); - else - ptr = str(LANG_PITCH_UP); - - display->getstringsize(ptr, &w, NULL); - /* draw text */ - display->putsxy(vp->width/2 - w/2, 0, ptr); - display->update_viewport(); - - /* DOWN: Pitch Down */ - vp = &pitch_viewports[PITCH_BOTTOM]; - display->set_viewport(vp); - display->clear_viewport(); - -#ifdef HAVE_TOUCHSCREEN - ptr = str(LANG_KBD_OK); - display->getstringsize(ptr, &w, &h); - /* one OK in the middle first column of the vp (at half height) */ - display->putsxy(vp->width/6 - w/2, vp->height/2 - h/2, ptr); - /* one OK in the middle of the last column of the vp (at half height) */ - display->putsxy(5*vp->width/6 - w/2, vp->height/2 - h/2, ptr); -#endif - if (global_settings.pitch_mode_semitone) - ptr = str(LANG_PITCH_DOWN_SEMITONE); - else - ptr = str(LANG_PITCH_DOWN); - display->getstringsize(ptr, &w, &h); - /* draw text */ - display->putsxy(vp->width/2 - w/2, vp->height - h, ptr); - display->update_viewport(); - } - - /* Middle section */ - display->set_viewport(&pitch_viewports[PITCH_MID]); - display->clear_viewport(); - int width_used = 0; - - /* Middle section upper line - hide for a small screen */ - if ((show_lang_pitch = (max_lines >= 3))) - { - if(global_settings.pitch_mode_timestretch) - { - /* Pitch:XXX.X% */ - if(global_settings.pitch_mode_semitone) - { - snprintf(buf, sizeof(buf), "%s: %s%d.%02d", str(LANG_PITCH), - semitone >= 0 ? "+" : "-", - abs(semitone / PITCH_SPEED_PRECISION), - abs((semitone % PITCH_SPEED_PRECISION) / - (PITCH_SPEED_PRECISION / 100)) - ); - } - else - { - snprintf(buf, sizeof(buf), "%s: %ld.%ld%%", str(LANG_PITCH), - pitch / PITCH_SPEED_PRECISION, - (pitch % PITCH_SPEED_PRECISION) / - (PITCH_SPEED_PRECISION / 10)); - } - } - else - { - /* Rate */ - snprintf(buf, sizeof(buf), "%s:", str(LANG_PLAYBACK_RATE)); - } - display->getstringsize(buf, &w, &h); - display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2), - (pitch_viewports[PITCH_MID].height / 2) - h, buf); - if (w > width_used) - width_used = w; - } - - /* Middle section lower line */ - /* "Speed:XXX%" */ - if(global_settings.pitch_mode_timestretch) - { - snprintf(buf, sizeof(buf), "%s: %ld.%ld%%", str(LANG_SPEED), - speed / PITCH_SPEED_PRECISION, - (speed % PITCH_SPEED_PRECISION) / (PITCH_SPEED_PRECISION / 10)); - } - else - { - if(global_settings.pitch_mode_semitone) - { - snprintf(buf, sizeof(buf), "%s%d.%02d", - semitone >= 0 ? "+" : "-", - abs(semitone / PITCH_SPEED_PRECISION), - abs((semitone % PITCH_SPEED_PRECISION) / - (PITCH_SPEED_PRECISION / 100)) - ); - } - else - { - snprintf(buf, sizeof(buf), "%ld.%ld%%", - pitch / PITCH_SPEED_PRECISION, - (pitch % PITCH_SPEED_PRECISION) / (PITCH_SPEED_PRECISION / 10)); - } - } - - display->getstringsize(buf, &w, &h); - display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2), - show_lang_pitch ? (pitch_viewports[PITCH_MID].height / 2) : - (pitch_viewports[PITCH_MID].height / 2) - (h / 2), - buf); - if (w > width_used) - width_used = w; - - /* "limit" and "timestretch" labels */ - if (max_lines >= 7) - { - if(at_limit) - { - const char * const p = str(LANG_STRETCH_LIMIT); - display->getstringsize(p, &w, &h); - display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2), - (pitch_viewports[PITCH_MID].height / 2) + h, p); - if (w > width_used) - width_used = w; - } - } - - /* Middle section left/right labels */ - const char *leftlabel = "-2%"; - const char *rightlabel = "+2%"; - if (global_settings.pitch_mode_timestretch) - { - leftlabel = "<<"; - rightlabel = ">>"; - } - - /* Only display if they fit */ - display->getstringsize(leftlabel, &w, &h); - width_used += w; - display->getstringsize(rightlabel, &w, &h); - width_used += w; - - if (width_used <= pitch_viewports[PITCH_MID].width) - { - display->putsxy(0, (pitch_viewports[PITCH_MID].height / 2) - (h / 2), - leftlabel); - display->putsxy((pitch_viewports[PITCH_MID].width - w), - (pitch_viewports[PITCH_MID].height / 2) - (h / 2), - rightlabel); - } - display->update_viewport(); - display->set_viewport(last_vp); -} - -static int32_t pitch_increase(int32_t pitch, int32_t pitch_delta, bool allow_cutoff - /* need this to maintain correct pitch/speed caps */ - , int32_t speed - ) -{ - int32_t new_pitch; - int32_t new_stretch; - at_limit = false; - - if (pitch_delta < 0) - { - /* for large jumps, snap up to whole numbers */ - if(allow_cutoff && pitch_delta <= -PITCH_SPEED_PRECISION && - (pitch + pitch_delta) % PITCH_SPEED_PRECISION != 0) - { - pitch_delta += PITCH_SPEED_PRECISION - ((pitch + pitch_delta) % PITCH_SPEED_PRECISION); - } - - new_pitch = pitch + pitch_delta; - - if (new_pitch < PITCH_MIN) - { - if (!allow_cutoff) - { - return pitch; - } - new_pitch = PITCH_MIN; - at_limit = true; - } - } - else if (pitch_delta > 0) - { - /* for large jumps, snap down to whole numbers */ - if(allow_cutoff && pitch_delta >= PITCH_SPEED_PRECISION && - (pitch + pitch_delta) % PITCH_SPEED_PRECISION != 0) - { - pitch_delta -= (pitch + pitch_delta) % PITCH_SPEED_PRECISION; - } - - new_pitch = pitch + pitch_delta; - - if (new_pitch > PITCH_MAX) - { - if (!allow_cutoff) - return pitch; - new_pitch = PITCH_MAX; - at_limit = true; - } - } - else - { - /* pitch_delta == 0 -> no real change */ - return pitch; - } - if (dsp_timestretch_available()) - { - /* increase the multiple to increase precision of this calculation */ - new_stretch = GET_STRETCH(new_pitch, speed); - if(new_stretch < STRETCH_MIN) - { - /* we have to ignore allow_cutoff, because we can't have the */ - /* stretch go higher than STRETCH_MAX */ - new_pitch = GET_PITCH(speed, STRETCH_MIN); - } - else if(new_stretch > STRETCH_MAX) - { - /* we have to ignore allow_cutoff, because we can't have the */ - /* stretch go higher than STRETCH_MAX */ - new_pitch = GET_PITCH(speed, STRETCH_MAX); - } - - if(new_stretch >= STRETCH_MAX || - new_stretch <= STRETCH_MIN) - { - at_limit = true; - } - } - - sound_set_pitch(new_pitch); - - return new_pitch; -} - -static int32_t get_semitone_from_pitch(int32_t pitch) -{ - int semitone = 0; - int32_t fractional_index = 0; - - while(semitone < NUM_SEMITONES - 1 && - pitch >= semitone_table[semitone + 1]) - { - semitone++; - } - - - /* now find the fractional part */ - while(pitch > (cent_interp[fractional_index + 1] * - semitone_table[semitone] / PITCH_SPEED_100)) - { - /* Check to make sure fractional_index isn't too big */ - /* This should never happen. */ - if(fractional_index >= CENT_INTERP_NUM - 1) - { - break; - } - fractional_index++; - } - - int32_t semitone_pitch_a = cent_interp[fractional_index] * - semitone_table[semitone] / - PITCH_SPEED_100; - int32_t semitone_pitch_b = cent_interp[fractional_index + 1] * - semitone_table[semitone] / - PITCH_SPEED_100; - /* this will be the integer offset from the cent_interp entry */ - int32_t semitone_frac_ofs = (pitch - semitone_pitch_a) * CENT_INTERP_INTERVAL / - (semitone_pitch_b - semitone_pitch_a); - semitone = (semitone + SEMITONE_START) * PITCH_SPEED_PRECISION + - fractional_index * CENT_INTERP_INTERVAL + - semitone_frac_ofs; - - return semitone; -} - -static int32_t get_pitch_from_semitone(int32_t semitone) -{ - int32_t adjusted_semitone = semitone - SEMITONE_START * PITCH_SPEED_PRECISION; - - /* Find the index into the semitone table */ - int32_t semitone_index = (adjusted_semitone / PITCH_SPEED_PRECISION); - - /* set pitch to the semitone's integer part value */ - int32_t pitch = semitone_table[semitone_index]; - /* get the range of the cent modification for future calculation */ - int32_t pitch_mod_a = - cent_interp[(adjusted_semitone % PITCH_SPEED_PRECISION) / - CENT_INTERP_INTERVAL]; - int32_t pitch_mod_b = - cent_interp[(adjusted_semitone % PITCH_SPEED_PRECISION) / - CENT_INTERP_INTERVAL + 1]; - /* figure out the cent mod amount based on the semitone fractional value */ - int32_t pitch_mod = pitch_mod_a + (pitch_mod_b - pitch_mod_a) * - (adjusted_semitone % CENT_INTERP_INTERVAL) / CENT_INTERP_INTERVAL; - - /* modify pitch based on the mod amount we just calculated */ - return (pitch * pitch_mod + PITCH_SPEED_100 / 2) / PITCH_SPEED_100; -} - -static int32_t pitch_increase_semitone(int32_t pitch, - int32_t current_semitone, - int32_t semitone_delta - , int32_t speed - ) -{ - int32_t new_semitone = current_semitone; - - /* snap to the delta interval */ - if(current_semitone % semitone_delta != 0) - { - if(current_semitone > 0 && semitone_delta > 0) - new_semitone += semitone_delta; - else if(current_semitone < 0 && semitone_delta < 0) - new_semitone += semitone_delta; - - new_semitone -= new_semitone % semitone_delta; - } - else - new_semitone += semitone_delta; - - /* clamp the pitch so it doesn't go beyond the pitch limits */ - if(new_semitone < (SEMITONE_START * PITCH_SPEED_PRECISION)) - { - new_semitone = SEMITONE_START * PITCH_SPEED_PRECISION; - at_limit = true; - } - else if(new_semitone > (SEMITONE_END * PITCH_SPEED_PRECISION)) - { - new_semitone = SEMITONE_END * PITCH_SPEED_PRECISION; - at_limit = true; - } - - int32_t new_pitch = get_pitch_from_semitone(new_semitone); - - int32_t new_stretch = GET_STRETCH(new_pitch, speed); - - /* clamp the pitch so it doesn't go beyond the stretch limits */ - if( new_stretch > STRETCH_MAX) - { - new_pitch = GET_PITCH(speed, STRETCH_MAX); - new_semitone = get_semitone_from_pitch(new_pitch); - at_limit = true; - } - else if (new_stretch < STRETCH_MIN) - { - new_pitch = GET_PITCH(speed, STRETCH_MIN); - new_semitone = get_semitone_from_pitch(new_pitch); - at_limit = true; - } - - pitch_increase(pitch, new_pitch - pitch, false - , speed - ); - - return new_semitone; -} - -#ifdef HAVE_TOUCHSCREEN -/* - * Check for touchscreen presses as per sketch above in this file - * - * goes through each row of the, checks whether the touchscreen - * was pressed in it. Then it looks the columns of each row for specific actions - */ -static int pitchscreen_do_touchscreen(struct viewport vps[]) -{ - short x, y; - struct viewport *this_vp = &vps[PITCH_TOP]; - int ret; - static bool wait_for_release = false; - ret = action_get_touchscreen_press_in_vp(&x, &y, this_vp); - - /* top row */ - if (ret > ACTION_UNKNOWN) - { /* press on top row, left or right column - * only toggle mode if released */ - int column = this_vp->width / 3; - if ((x < column || x > (2*column)) && (ret == BUTTON_REL)) - return ACTION_PS_TOGGLE_MODE; - - - else if (x >= column && x <= (2*column)) - { /* center column pressed */ - if (ret == BUTTON_REPEAT) - return ACTION_PS_INC_BIG; - else if (ret & BUTTON_REL) - return ACTION_PS_INC_SMALL; - } - return ACTION_NONE; - } - - /* now the center row */ - this_vp = &vps[PITCH_MID]; - ret = action_get_touchscreen_press_in_vp(&x, &y, this_vp); - - if (ret > ACTION_UNKNOWN) - { - int column = this_vp->width / 3; - - if (x < column) - { /* left column */ - if (ret & BUTTON_REL) - { - wait_for_release = false; - return ACTION_PS_NUDGE_LEFTOFF; - } - else if (ret & BUTTON_REPEAT) - return ACTION_PS_SLOWER; - if (!wait_for_release) - { - wait_for_release = true; - return ACTION_PS_NUDGE_LEFT; - } - } - else if (x > (2*column)) - { /* right column */ - if (ret & BUTTON_REL) - { - wait_for_release = false; - return ACTION_PS_NUDGE_RIGHTOFF; - } - else if (ret & BUTTON_REPEAT) - return ACTION_PS_FASTER; - if (!wait_for_release) - { - wait_for_release = true; - return ACTION_PS_NUDGE_RIGHT; - } - } - else - /* center column was pressed */ - return ACTION_PS_RESET; - } - - /* now the bottom row */ - this_vp = &vps[PITCH_BOTTOM]; - ret = action_get_touchscreen_press_in_vp(&x, &y, this_vp); - - if (ret > ACTION_UNKNOWN) - { - int column = this_vp->width / 3; - - /* left or right column is exit */ - if ((x < column || x > (2*column)) && (ret == BUTTON_REL)) - return ACTION_PS_EXIT; - else if (x >= column && x <= (2*column)) - { /* center column was pressed */ - if (ret & BUTTON_REPEAT) - return ACTION_PS_DEC_BIG; - else if (ret & BUTTON_REL) - return ACTION_PS_DEC_SMALL; - } - return ACTION_NONE; - } - return ACTION_NONE; -} - -#endif -/* - returns: - 0 on exit - 1 if USB was connected -*/ - +#include "plugin.h" int gui_syncpitchscreen_run(void) { - int button; - int32_t pitch = sound_get_pitch(); - int32_t semitone; - - int32_t new_pitch; - int32_t pitch_delta; - bool nudged = false; - int i, updated = 4, decimals = 0; - bool exit = false; - /* should maybe be passed per parameter later, not needed for now */ - struct viewport parent[NB_SCREENS]; - struct viewport pitch_viewports[NB_SCREENS][PITCH_ITEM_COUNT]; - int max_lines[NB_SCREENS]; - - push_current_activity(ACTIVITY_PITCHSCREEN); - - int32_t new_speed = 0, new_stretch; - - /* the speed variable holds the apparent speed of the playback */ - int32_t speed; - if (dsp_timestretch_available()) - { - speed = GET_SPEED(pitch, dsp_get_timestretch()); - } - else - { - speed = pitch; - } - - /* Figure out whether to be in timestretch mode */ - if (global_settings.pitch_mode_timestretch && !dsp_timestretch_available()) - { - global_settings.pitch_mode_timestretch = false; - settings_save(); - } - - /* Count decimals for speaking */ - for (i = PITCH_SPEED_PRECISION; i >= 10; i /= 10) - decimals++; - - /* set the semitone index based on the current pitch */ - semitone = get_semitone_from_pitch(pitch); - - /* initialize pitchscreen vps */ - FOR_NB_SCREENS(i) - { - viewport_set_defaults(&parent[i], i); - max_lines[i] = viewport_get_nb_lines(&parent[i]); - pitchscreen_fix_viewports(&parent[i], pitch_viewports[i]); - screens[i].set_viewport(&parent[i]); - screens[i].clear_viewport(); - - /* also, draw the icons now, it's only needed once */ - pitchscreen_draw_icons(&screens[i], &parent[i]); - } - pcmbuf_set_low_latency(true); - - while (!exit) - { - FOR_NB_SCREENS(i) - pitchscreen_draw(&screens[i], max_lines[i], - pitch_viewports[i], pitch, semitone - , speed - ); - pitch_delta = 0; - new_speed = 0; - - if (global_settings.talk_menu && updated) - { - talk_shutup(); - switch (updated) - { - case 1: - if (global_settings.pitch_mode_semitone) - talk_value_decimal(semitone, UNIT_SIGNED, decimals, false); - else - talk_value_decimal(pitch, UNIT_PERCENT, decimals, false); - break; - case 2: - talk_value_decimal(speed, UNIT_PERCENT, decimals, false); - break; - case 3: - speak_pitch_mode(false); - break; - case 4: - if (global_settings.pitch_mode_timestretch && dsp_timestretch_available()) - talk_id(LANG_PITCH, false); - else - talk_id(LANG_PLAYBACK_RATE, false); - talk_value_decimal(pitch, UNIT_PERCENT, decimals, true); - if (global_settings.pitch_mode_timestretch && dsp_timestretch_available()) - { - talk_id(LANG_SPEED, true); - talk_value_decimal(speed, UNIT_PERCENT, decimals, true); - } - speak_pitch_mode(true); - break; - default: - break; - } - } - updated = 0; - - button = get_action(CONTEXT_PITCHSCREEN, HZ); - -#ifdef HAVE_TOUCHSCREEN - if (button == ACTION_TOUCHSCREEN) - { - FOR_NB_SCREENS(i) - button = pitchscreen_do_touchscreen(pitch_viewports[i]); - } -#endif - switch (button) - { - case ACTION_PS_INC_SMALL: - if(global_settings.pitch_mode_semitone) - pitch_delta = SEMITONE_SMALL_DELTA; - else - pitch_delta = PITCH_SMALL_DELTA; - updated = 1; - break; - - case ACTION_PS_INC_BIG: - if(global_settings.pitch_mode_semitone) - pitch_delta = SEMITONE_BIG_DELTA; - else - pitch_delta = PITCH_BIG_DELTA; - updated = 1; - break; - - case ACTION_PS_DEC_SMALL: - if(global_settings.pitch_mode_semitone) - pitch_delta = -SEMITONE_SMALL_DELTA; - else - pitch_delta = -PITCH_SMALL_DELTA; - updated = 1; - break; - - case ACTION_PS_DEC_BIG: - if(global_settings.pitch_mode_semitone) - pitch_delta = -SEMITONE_BIG_DELTA; - else - pitch_delta = -PITCH_BIG_DELTA; - updated = 1; - break; - - case ACTION_PS_NUDGE_RIGHT: - if (!global_settings.pitch_mode_timestretch) - { - new_pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false - , speed - ); - nudged = (new_pitch != pitch); - pitch = new_pitch; - semitone = get_semitone_from_pitch(pitch); - speed = pitch; - updated = nudged ? 1 : 0; - break; - } - else - { - new_speed = speed + SPEED_SMALL_DELTA; - at_limit = false; - updated = 2; - } - break; - - case ACTION_PS_FASTER: - if (global_settings.pitch_mode_timestretch) - { - new_speed = speed + SPEED_BIG_DELTA; - /* snap to whole numbers */ - if(new_speed % PITCH_SPEED_PRECISION != 0) - new_speed -= new_speed % PITCH_SPEED_PRECISION; - at_limit = false; - updated = 2; - } - break; - - case ACTION_PS_NUDGE_RIGHTOFF: - if (nudged) - { - pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false - , speed - ); - speed = pitch; - semitone = get_semitone_from_pitch(pitch); - nudged = false; - updated = 1; - } - break; - - case ACTION_PS_NUDGE_LEFT: - if (!global_settings.pitch_mode_timestretch) - { - new_pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false - , speed - ); - nudged = (new_pitch != pitch); - pitch = new_pitch; - semitone = get_semitone_from_pitch(pitch); - speed = pitch; - updated = nudged ? 1 : 0; - break; - } - else - { - new_speed = speed - SPEED_SMALL_DELTA; - at_limit = false; - updated = 2; - } - break; - - case ACTION_PS_SLOWER: - if (global_settings.pitch_mode_timestretch) - { - new_speed = speed - SPEED_BIG_DELTA; - /* snap to whole numbers */ - if(new_speed % PITCH_SPEED_PRECISION != 0) - new_speed += PITCH_SPEED_PRECISION - speed % PITCH_SPEED_PRECISION; - at_limit = false; - updated = 2; - } - break; - - case ACTION_PS_NUDGE_LEFTOFF: - if (nudged) - { - pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false - , speed - ); - speed = pitch; - semitone = get_semitone_from_pitch(pitch); - nudged = false; - updated = 1; - } - break; - - case ACTION_PS_RESET: - pitch = PITCH_SPEED_100; - sound_set_pitch(pitch); - speed = PITCH_SPEED_100; - if (dsp_timestretch_available()) - { - dsp_set_timestretch(PITCH_SPEED_100); - at_limit = false; - } - semitone = get_semitone_from_pitch(pitch); - updated = 4; - break; - - case ACTION_PS_TOGGLE_MODE: - global_settings.pitch_mode_semitone = !global_settings.pitch_mode_semitone; - - if (dsp_timestretch_available() && !global_settings.pitch_mode_semitone) - { - global_settings.pitch_mode_timestretch = !global_settings.pitch_mode_timestretch; - if(!global_settings.pitch_mode_timestretch) - { - /* no longer in timestretch mode. Reset speed */ - speed = pitch; - dsp_set_timestretch(PITCH_SPEED_100); - } - } - settings_save(); - updated = 3; - break; - - case ACTION_PS_EXIT: - exit = true; - break; - - default: - if (default_event_handler(button) == SYS_USB_CONNECTED) - return 1; - break; - } - if (pitch_delta) - { - if (global_settings.pitch_mode_semitone) - { - semitone = pitch_increase_semitone(pitch, semitone, pitch_delta - , speed - ); - pitch = get_pitch_from_semitone(semitone); - } - else - { - pitch = pitch_increase(pitch, pitch_delta, true - , speed - ); - semitone = get_semitone_from_pitch(pitch); - } - if (global_settings.pitch_mode_timestretch) - { - /* do this to make sure we properly obey the stretch limits */ - new_speed = speed; - } - else - { - speed = pitch; - } - } - - if(new_speed) - { - new_stretch = GET_STRETCH(pitch, new_speed); - - /* limit the amount of stretch */ - if(new_stretch > STRETCH_MAX) - { - new_stretch = STRETCH_MAX; - new_speed = GET_SPEED(pitch, new_stretch); - } - else if(new_stretch < STRETCH_MIN) - { - new_stretch = STRETCH_MIN; - new_speed = GET_SPEED(pitch, new_stretch); - } - - new_stretch = GET_STRETCH(pitch, new_speed); - if(new_stretch >= STRETCH_MAX || - new_stretch <= STRETCH_MIN) - { - at_limit = true; - } - - /* set the amount of stretch */ - dsp_set_timestretch(new_stretch); - - /* update the speed variable with the new speed */ - speed = new_speed; - - /* Reset new_speed so we only call dsp_set_timestretch */ - /* when needed */ - new_speed = 0; - } - } - - pcmbuf_set_low_latency(false); - pop_current_activity(); - - /* Clean up */ - FOR_NB_SCREENS(i) - { - screens[i].set_viewport(NULL); - } - - return 0; + return (plugin_load(VIEWERS_DIR"/pitch_screen.rock", NULL) == PLUGIN_USB_CONNECTED); } diff --git a/apps/plugin.c b/apps/plugin.c index d1f0348cc3..c9c3d047d2 100644 --- a/apps/plugin.c +++ b/apps/plugin.c @@ -352,6 +352,7 @@ static const struct plugin_api rockbox_api = { get_action, #ifdef HAVE_TOUCHSCREEN action_get_touchscreen_press, + action_get_touchscreen_press_in_vp, #endif action_userabort, @@ -413,6 +414,7 @@ static const struct plugin_api rockbox_api = { FS_PREFIX(file_exists), strip_extension, crc_32, + crc_32r, filetype_get_attr, /* dir */ @@ -593,6 +595,7 @@ static const struct plugin_api rockbox_api = { sound_enum_hw_eq_band_setting, #endif #if defined (HAVE_PITCHCONTROL) + sound_get_pitch, sound_set_pitch, #endif &audio_master_sampr_list[0], @@ -622,7 +625,10 @@ static const struct plugin_api rockbox_api = { dsp_eq_enable, dsp_dither_enable, #ifdef HAVE_PITCHCONTROL + dsp_get_timestretch, dsp_set_timestretch, + dsp_timestretch_enable, + dsp_timestretch_available, #endif dsp_configure, dsp_get_config, @@ -641,6 +647,7 @@ static const struct plugin_api rockbox_api = { mixer_get_frequency, pcmbuf_fade, + pcmbuf_set_low_latency, system_sound_play, keyclick_click, @@ -692,6 +699,9 @@ static const struct plugin_api rockbox_api = { audio_current_track, audio_flush_and_reload_tracks, audio_get_file_pos, +#ifdef PLUGIN_USE_IRAM + audio_hard_stop, +#endif /* menu */ root_menu_get_options, @@ -735,6 +745,7 @@ static const struct plugin_api rockbox_api = { #if (CONFIG_PLATFORM & PLATFORM_NATIVE) __errno, #endif + led, srand, rand, (void *)qsort, @@ -780,7 +791,6 @@ static const struct plugin_api rockbox_api = { detect_flashed_ramimage, detect_flashed_romimage, #endif - led, /*plugin*/ plugin_open, @@ -789,11 +799,6 @@ static const struct plugin_api rockbox_api = { plugin_release_audio_buffer, /* defined in plugin.c */ plugin_tsr, /* defined in plugin.c */ plugin_get_current_filename, -#ifdef PLUGIN_USE_IRAM - audio_hard_stop, -#endif - crc_32r, - /* new stuff at the end, sort into place next time the API gets incompatible */ diff --git a/apps/plugin.h b/apps/plugin.h index bd95331143..6ca0488e06 100644 --- a/apps/plugin.h +++ b/apps/plugin.h @@ -155,12 +155,12 @@ int plugin_open(const char *plugin, const char *parameter); #define PLUGIN_MAGIC 0x526F634B /* RocK */ /* increase this every time the api struct changes */ -#define PLUGIN_API_VERSION 244 +#define PLUGIN_API_VERSION 245 /* 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 244 +#define PLUGIN_MIN_API_VERSION 245 /* 239 Marks the removal of ARCHOS HWCODEC and CHARCELL */ @@ -400,6 +400,7 @@ struct plugin_api { int (*get_action)(int context, int timeout); #ifdef HAVE_TOUCHSCREEN int (*action_get_touchscreen_press)(short *x, short *y); + int (*action_get_touchscreen_press_in_vp)(short *x1, short *y1, struct viewport *vp); #endif bool (*action_userabort)(int timeout); @@ -462,6 +463,7 @@ struct plugin_api { bool (*file_exists)(const char *path); char* (*strip_extension)(char* buffer, int buffer_size, const char *filename); uint32_t (*crc_32)(const void *src, uint32_t len, uint32_t crc32); + uint32_t (*crc_32r)(const void *src, uint32_t len, uint32_t crc32); int (*filetype_get_attr)(const char* file); @@ -667,6 +669,7 @@ struct plugin_api { unsigned int band_setting); #endif /* AUDIOHW_HAVE_EQ */ #if defined (HAVE_PITCHCONTROL) + int32_t (*sound_get_pitch)(void); void (*sound_set_pitch)(int32_t pitch); #endif const unsigned long *audio_master_sampr_list; @@ -701,7 +704,10 @@ struct plugin_api { void (*dsp_eq_enable)(bool enable); void (*dsp_dither_enable)(bool enable); #ifdef HAVE_PITCHCONTROL + int32_t (*dsp_get_timestretch)(void); void (*dsp_set_timestretch)(int32_t percent); + void (*dsp_timestretch_enable)(bool enabled); + bool (*dsp_timestretch_available)(void); #endif intptr_t (*dsp_configure)(struct dsp_config *dsp, unsigned int setting, intptr_t value); @@ -727,6 +733,7 @@ struct plugin_api { void (*mixer_set_frequency)(unsigned int samplerate); unsigned int (*mixer_get_frequency)(void); void (*pcmbuf_fade)(bool fade, bool in); + void (*pcmbuf_set_low_latency)(bool state); void (*system_sound_play)(enum system_sound sound); void (*keyclick_click)(bool rawbutton, int action); @@ -793,6 +800,9 @@ struct plugin_api { struct mp3entry* (*audio_current_track)(void); void (*audio_flush_and_reload_tracks)(void); int (*audio_get_file_pos)(void); +#ifdef PLUGIN_USE_IRAM + void (*audio_hard_stop)(void); +#endif /* menu */ struct menu_table *(*root_menu_get_options)(int *nb_options); @@ -853,6 +863,7 @@ struct plugin_api { #if (CONFIG_PLATFORM & PLATFORM_NATIVE) int * (*__errno)(void); #endif + void (*led)(bool on); void (*srand)(unsigned int seed); int (*rand)(void); void (*qsort)(void *base, size_t nmemb, size_t size, @@ -907,9 +918,6 @@ struct plugin_api { bool (*detect_flashed_ramimage)(void); bool (*detect_flashed_romimage)(void); #endif - - void (*led)(bool on); - /*plugin*/ int (*plugin_open)(const char *path, const char *parameter); void* (*plugin_get_buffer)(size_t *buffer_size); @@ -917,11 +925,6 @@ struct plugin_api { void (*plugin_release_audio_buffer)(void); void (*plugin_tsr)(bool (*exit_callback)(bool reenter)); char* (*plugin_get_current_filename)(void); -#ifdef PLUGIN_USE_IRAM - void (*audio_hard_stop)(void); -#endif - uint32_t (*crc_32r)(const void *src, uint32_t len, uint32_t crc32); - /* new stuff at the end, sort into place next time the API gets incompatible */ diff --git a/apps/plugins/CATEGORIES b/apps/plugins/CATEGORIES index d3093689f9..471a32b9e1 100644 --- a/apps/plugins/CATEGORIES +++ b/apps/plugins/CATEGORIES @@ -76,6 +76,7 @@ pegbox,games periodic_table,apps pictureflow,demos pitch_detector,apps +pitch_screen,viewers pixel-painter,games plasma,demos png,viewers diff --git a/apps/plugins/SOURCES b/apps/plugins/SOURCES index 910ffe4161..ec13c17dc9 100644 --- a/apps/plugins/SOURCES +++ b/apps/plugins/SOURCES @@ -48,6 +48,10 @@ lamp.c pitch_detector.c #endif +#ifdef HAVE_PITCHCONTROL +pitch_screen.c +#endif + mp3_encoder.c wav2wv.c diff --git a/apps/plugins/lib/arg_helper.c b/apps/plugins/lib/arg_helper.c index d402300900..3ea5ba714d 100644 --- a/apps/plugins/lib/arg_helper.c +++ b/apps/plugins/lib/arg_helper.c @@ -28,7 +28,9 @@ #define SWCHAR '-' #define DECSEPCHAR '.' - +#ifdef PLUGIN + #define strchr rb->strchr +#endif int string_parse(const char **parameter, char* buf, size_t buf_sz) { /* fills buf with a string upto buf_sz, null terminates the buffer diff --git a/apps/plugins/lib/arg_helper.h b/apps/plugins/lib/arg_helper.h index c7b14f7f7a..2cf94ba1dd 100644 --- a/apps/plugins/lib/arg_helper.h +++ b/apps/plugins/lib/arg_helper.h @@ -26,7 +26,7 @@ #define ARGPARSE_MAX_FRAC_DIGITS 9 /* Uses 30 bits max (0.999999999) */ #define ARGP_EXP(a, b) (a ##E## b) -#define ARGP_FRAC_DEC_MULTIPLIER(n) AP_EXP(1,n) /*1x10^n*/ +#define ARGP_FRAC_DEC_MULTIPLIER(n) ARGP_EXP(1,n) /*1x10^n*/ #define ARGPARSE_FRAC_DEC_MULTIPLIER \ (long)ARGP_FRAC_DEC_MULTIPLIER(ARGPARSE_MAX_FRAC_DIGITS) diff --git a/apps/plugins/pitch_screen.c b/apps/plugins/pitch_screen.c new file mode 100644 index 0000000000..e24e0240a2 --- /dev/null +++ b/apps/plugins/pitch_screen.c @@ -0,0 +1,1279 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 Björn Stenberg + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "plugin.h" +#include "lib/icon_helper.h" +#include "lib/arg_helper.h" + +#define ICON_BORDER 12 /* icons are currently 7x8, so add ~2 pixels */ + /* on both sides when drawing */ + +#define PITCH_MAX (200 * PITCH_SPEED_PRECISION) +#define PITCH_MIN (50 * PITCH_SPEED_PRECISION) +#define PITCH_SMALL_DELTA (PITCH_SPEED_PRECISION / 10) /* .1% */ +#define PITCH_BIG_DELTA (PITCH_SPEED_PRECISION) /* 1% */ +#define PITCH_NUDGE_DELTA (2 * PITCH_SPEED_PRECISION) /* 2% */ + +#define SPEED_SMALL_DELTA (PITCH_SPEED_PRECISION / 10) /* .1% */ +#define SPEED_BIG_DELTA (PITCH_SPEED_PRECISION) /* 1% */ + +#define SEMITONE_SMALL_DELTA (PITCH_SPEED_PRECISION / 10) /* 10 cents */ +#define SEMITONE_BIG_DELTA PITCH_SPEED_PRECISION /* 1 semitone */ + +#define PVAR_VERBOSE 0x01 +#define PVAR_GUI 0x02 +struct pvars +{ + int32_t speed; + int32_t pitch; + int32_t stretch; + int32_t flags; +}; +static struct pvars pitch_vars; + +enum +{ + PITCH_TOP = 0, + PITCH_MID, + PITCH_BOTTOM, + PITCH_ITEM_COUNT, +}; + +/* This is a table of semitone percentage values of the appropriate + precision (based on PITCH_SPEED_PRECISION). Note that these are + all constant expressions, which will be evaluated at compile time, + so no need to worry about how complex the expressions look. + That's just to get the precision right. + + I calculated these values, starting from 50, as + + x(n) = 50 * 2^(n/12) + + All that math in each entry simply converts the float constant + to an integer equal to PITCH_SPEED_PRECISION times the float value, + with as little precision loss as possible (i.e. correctly rounding + the last digit). +*/ +#define TO_INT_WITH_PRECISION(x) \ + ( (unsigned short)(((x) * PITCH_SPEED_PRECISION * 10 + 5) / 10) ) + +static const unsigned short semitone_table[] = +{ + TO_INT_WITH_PRECISION(50.00000000), /* Octave lower */ + TO_INT_WITH_PRECISION(52.97315472), + TO_INT_WITH_PRECISION(56.12310242), + TO_INT_WITH_PRECISION(59.46035575), + TO_INT_WITH_PRECISION(62.99605249), + TO_INT_WITH_PRECISION(66.74199271), + TO_INT_WITH_PRECISION(70.71067812), + TO_INT_WITH_PRECISION(74.91535384), + TO_INT_WITH_PRECISION(79.37005260), + TO_INT_WITH_PRECISION(84.08964153), + TO_INT_WITH_PRECISION(89.08987181), + TO_INT_WITH_PRECISION(94.38743127), + TO_INT_WITH_PRECISION(100.0000000), /* Normal sound */ + TO_INT_WITH_PRECISION(105.9463094), + TO_INT_WITH_PRECISION(112.2462048), + TO_INT_WITH_PRECISION(118.9207115), + TO_INT_WITH_PRECISION(125.9921049), + TO_INT_WITH_PRECISION(133.4839854), + TO_INT_WITH_PRECISION(141.4213562), + TO_INT_WITH_PRECISION(149.8307077), + TO_INT_WITH_PRECISION(158.7401052), + TO_INT_WITH_PRECISION(168.1792831), + TO_INT_WITH_PRECISION(178.1797436), + TO_INT_WITH_PRECISION(188.7748625), + TO_INT_WITH_PRECISION(200.0000000) /* Octave higher */ +}; + +#define NUM_SEMITONES ((int)(sizeof(semitone_table)/sizeof(semitone_table[0]))) +#define SEMITONE_END (NUM_SEMITONES/2) +#define SEMITONE_START (-SEMITONE_END) + +/* A table of values for approximating the cent curve with + linear interpolation. Multipy the next lowest semitone + by this much to find the corresponding cent percentage. + + These values were calculated as + x(n) = 100 * 2^(n * 20/1200) +*/ + +static const unsigned short cent_interp[] = +{ + TO_INT_WITH_PRECISION(100.0000000), + TO_INT_WITH_PRECISION(101.1619440), + TO_INT_WITH_PRECISION(102.3373892), + TO_INT_WITH_PRECISION(103.5264924), + TO_INT_WITH_PRECISION(104.7294123), + /* this one's the next semitone but we have it here for convenience */ + TO_INT_WITH_PRECISION(105.9463094), +}; + +int viewport_get_nb_lines(const struct viewport *vp) +{ + return vp->height/rb->font_get(vp->font)->height; +} +#if 0 /* replaced with cbmp_get_icon(CBMP_Mono_7x8, Icon_ABCD, &w, &h) */ +enum icons_7x8 { + Icon_Plug, + Icon_USBPlug, + Icon_Mute, + Icon_Play, + Icon_Stop, + Icon_Pause, + Icon_FastForward, + Icon_FastBackward, + Icon_Record, + Icon_RecPause, + Icon_Radio, + Icon_Radio_Mute, + Icon_Repeat, + Icon_RepeatOne, + Icon_Shuffle, + Icon_DownArrow, + Icon_UpArrow, + Icon_RepeatAB, + Icon7x8Last +}; + +const unsigned char bitmap_icons_7x8[][7] = +{ + {0x08,0x1c,0x3e,0x3e,0x3e,0x14,0x14}, /* Power plug */ + {0x1c,0x14,0x3e,0x2a,0x22,0x1c,0x08}, /* USB plug */ + {0x01,0x1e,0x1c,0x3e,0x7f,0x20,0x40}, /* Speaker mute */ + {0x00,0x7f,0x7f,0x3e,0x1c,0x08,0x00}, /* Play */ + {0x7f,0x7f,0x7f,0x7f,0x7f,0x7f,0x7f}, /* Stop */ + {0x00,0x7f,0x7f,0x00,0x7f,0x7f,0x00}, /* Pause */ + {0x7f,0x3e,0x1c,0x7f,0x3e,0x1c,0x08}, /* Fast forward */ + {0x08,0x1c,0x3e,0x7f,0x1c,0x3e,0x7f}, /* Fast backward */ + {0x1c,0x3e,0x7f,0x7f,0x7f,0x3e,0x1c}, /* Record */ + {0x1c,0x3e,0x7f,0x00,0x7f,0x3e,0x1c}, /* Record pause */ + {0x40,0xa0,0xa0,0xa0,0x7f,0x02,0x02}, /* Radio on */ + {0x42,0xa4,0xa8,0xb0,0x7f,0x22,0x42}, /* Radio mute */ + {0x44,0x4e,0x5f,0x44,0x44,0x44,0x38}, /* Repeat playmode */ + {0x44,0x4e,0x5f,0x44,0x38,0x02,0x7f}, /* Repeat-one playmode */ + {0x3e,0x41,0x51,0x41,0x45,0x41,0x3e}, /* Shuffle playmode (dice) */ + {0x04,0x0c,0x1c,0x3c,0x1c,0x0c,0x04}, /* Down-arrow */ + {0x20,0x30,0x38,0x3c,0x38,0x30,0x20}, /* Up-arrow */ + {0x7f,0x04,0x4e,0x5f,0x44,0x38,0x7f} /* Repeat-AB playmode */ +}; +#endif + +/* Number of cents between entries in the cent_interp table */ +#define CENT_INTERP_INTERVAL 20 +#define CENT_INTERP_NUM ((int)(sizeof(cent_interp)/sizeof(cent_interp[0]))) + +/* This stores whether the pitch and speed are at their own limits */ +/* or that of the timestretching algorithm */ +static bool at_limit = false; + +/* + * + * The pitchscreen is divided into 3 viewports (each row is a viewport) + * Then each viewport is again divided into 3 colums, each showsing some infos + * Additionally, on touchscreen, each cell represents a button + * + * Below a sketch describing what each cell will show (what's drawn on it) + * -------------------------- + * | | | | <-- pitch up in the middle (text and button) + * | | | | <-- arrows for mode toggling on the sides for touchscreen + * |------------------------| + * | | | | <-- semitone/speed up/down on the sides + * | | | | <-- reset pitch&speed in the middle + * |------------------------| + * | | | | <-- pitch down in the middle + * | | | | <-- Two "OK" for exit on the sides for touchscreen + * |------------------------| + * + * + */ + +static void speak_pitch_mode(bool enqueue) +{ + bool timestretch_mode = rb->global_settings->pitch_mode_timestretch && rb->dsp_timestretch_available(); + if (timestretch_mode) + rb->talk_id(VOICE_PITCH_TIMESTRETCH_MODE, enqueue); + if (rb->global_settings->pitch_mode_semitone) + rb->talk_id(VOICE_PITCH_SEMITONE_MODE, timestretch_mode ? true : enqueue); + else + rb->talk_id(VOICE_PITCH_ABSOLUTE_MODE, timestretch_mode ? true : enqueue); + return; +} + +/* + * Fixes the viewports so they represent the 3 rows, and adds a little margin + * on all sides for the icons (which are drawn outside of the grid + * + * The modified viewports need to be passed to the touchscreen handling function + **/ +static void pitchscreen_fix_viewports(struct viewport *parent, + struct viewport pitch_viewports[PITCH_ITEM_COUNT]) +{ + int i, font_height; + font_height = rb->font_get(parent->font)->height; + for (i = 0; i < PITCH_ITEM_COUNT; i++) + { + pitch_viewports[i] = *parent; + pitch_viewports[i].height = parent->height / PITCH_ITEM_COUNT; + pitch_viewports[i].x += ICON_BORDER; + pitch_viewports[i].width -= 2*ICON_BORDER; + } + pitch_viewports[PITCH_TOP].y += ICON_BORDER; + pitch_viewports[PITCH_TOP].height -= ICON_BORDER; + + if(pitch_viewports[PITCH_MID].height < font_height * 2) + pitch_viewports[PITCH_MID].height = font_height * 2; + + pitch_viewports[PITCH_MID].y = pitch_viewports[PITCH_TOP].y + + pitch_viewports[PITCH_TOP].height; + + pitch_viewports[PITCH_BOTTOM].y = pitch_viewports[PITCH_MID].y + + pitch_viewports[PITCH_MID].height; + + pitch_viewports[PITCH_BOTTOM].height -= ICON_BORDER; +} + +/* must be called before pitchscreen_draw, or within + * since it neither clears nor updates the display */ +static void pitchscreen_draw_icons(struct screen *display, + struct viewport *parent) +{ + + display->set_viewport(parent); + int w, h; + const unsigned char* uparrow = cbmp_get_icon(CBMP_Mono_7x8, Icon_UpArrow, &w, &h); + if (uparrow) + display->mono_bitmap(uparrow, parent->width/2 - 3, 2, w, h); + + const unsigned char* dnarrow = cbmp_get_icon(CBMP_Mono_7x8, Icon_DownArrow, &w, &h); + if (dnarrow) + display->mono_bitmap(dnarrow, parent->width /2 - 3, parent->height - 10, w, h); + + const unsigned char* fastfwd = cbmp_get_icon(CBMP_Mono_7x8, Icon_FastForward, &w, &h); + if (fastfwd) + display->mono_bitmap(fastfwd, parent->width - 10, parent->height /2 - 4, 7, 8); + + const unsigned char* fastrew = cbmp_get_icon(CBMP_Mono_7x8, Icon_FastBackward, &w, &h); + if (fastrew) + display->mono_bitmap(fastrew, 2, parent->height /2 - 4, w, h); + + display->update_viewport(); + +} + +static void pitchscreen_draw(struct screen *display, int max_lines, + struct viewport pitch_viewports[PITCH_ITEM_COUNT], + int32_t pitch, int32_t semitone + ,int32_t speed + ) +{ + const char* ptr; + char buf[32]; + int w, h; + bool show_lang_pitch; + struct viewport *last_vp = NULL; + + /* "Pitch up/Pitch down" - hide for a small screen, + * the text is drawn centered automatically + * + * note: this assumes 5 lines always fit on a touchscreen (should be + * reasonable) */ + if (max_lines >= 5) + { + int w, h; + struct viewport *vp = &pitch_viewports[PITCH_TOP]; + last_vp = display->set_viewport(vp); + display->clear_viewport(); +#ifdef HAVE_TOUCHSCREEN + /* two arrows in the top row, left and right column */ + char *arrows[] = { "<", ">"}; + display->getstringsize(arrows[0], &w, &h); + display->putsxy(0, vp->height/2 - h/2, arrows[0]); + display->putsxy(vp->width - w, vp->height/2 - h/2, arrows[1]); +#endif + /* UP: Pitch Up */ + if (rb->global_settings->pitch_mode_semitone) + ptr = rb->str(LANG_PITCH_UP_SEMITONE); + else + ptr = rb->str(LANG_PITCH_UP); + + display->getstringsize(ptr, &w, NULL); + /* draw text */ + display->putsxy(vp->width/2 - w/2, 0, ptr); + display->update_viewport(); + + /* DOWN: Pitch Down */ + vp = &pitch_viewports[PITCH_BOTTOM]; + display->set_viewport(vp); + display->clear_viewport(); + +#ifdef HAVE_TOUCHSCREEN + ptr = rb->str(LANG_KBD_OK); + display->getstringsize(ptr, &w, &h); + /* one OK in the middle first column of the vp (at half height) */ + display->putsxy(vp->width/6 - w/2, vp->height/2 - h/2, ptr); + /* one OK in the middle of the last column of the vp (at half height) */ + display->putsxy(5*vp->width/6 - w/2, vp->height/2 - h/2, ptr); +#endif + if (rb->global_settings->pitch_mode_semitone) + ptr = rb->str(LANG_PITCH_DOWN_SEMITONE); + else + ptr = rb->str(LANG_PITCH_DOWN); + display->getstringsize(ptr, &w, &h); + /* draw text */ + display->putsxy(vp->width/2 - w/2, vp->height - h, ptr); + display->update_viewport(); + } + + /* Middle section */ + display->set_viewport(&pitch_viewports[PITCH_MID]); + display->clear_viewport(); + int width_used = 0; + + /* Middle section upper line - hide for a small screen */ + if ((show_lang_pitch = (max_lines >= 3))) + { + if(rb->global_settings->pitch_mode_timestretch) + { + /* Pitch:XXX.X% */ + if(rb->global_settings->pitch_mode_semitone) + { + rb->snprintf(buf, sizeof(buf), "%s: %s%d.%02d", rb->str(LANG_PITCH), + semitone >= 0 ? "+" : "-", + abs(semitone / PITCH_SPEED_PRECISION), + abs((semitone % PITCH_SPEED_PRECISION) / + (PITCH_SPEED_PRECISION / 100)) + ); + } + else + { + rb->snprintf(buf, sizeof(buf), "%s: %ld.%ld%%", rb->str(LANG_PITCH), + pitch / PITCH_SPEED_PRECISION, + (pitch % PITCH_SPEED_PRECISION) / + (PITCH_SPEED_PRECISION / 10)); + } + } + else + { + /* Rate */ + rb->snprintf(buf, sizeof(buf), "%s:", rb->str(LANG_PLAYBACK_RATE)); + } + display->getstringsize(buf, &w, &h); + display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2), + (pitch_viewports[PITCH_MID].height / 2) - h, buf); + if (w > width_used) + width_used = w; + } + + /* Middle section lower line */ + /* "Speed:XXX%" */ + if(rb->global_settings->pitch_mode_timestretch) + { + rb->snprintf(buf, sizeof(buf), "%s: %ld.%ld%%", rb->str(LANG_SPEED), + speed / PITCH_SPEED_PRECISION, + (speed % PITCH_SPEED_PRECISION) / (PITCH_SPEED_PRECISION / 10)); + } + else + { + if(rb->global_settings->pitch_mode_semitone) + { + rb->snprintf(buf, sizeof(buf), "%s%d.%02d", + semitone >= 0 ? "+" : "-", + abs(semitone / PITCH_SPEED_PRECISION), + abs((semitone % PITCH_SPEED_PRECISION) / + (PITCH_SPEED_PRECISION / 100)) + ); + } + else + { + rb->snprintf(buf, sizeof(buf), "%ld.%ld%%", + pitch / PITCH_SPEED_PRECISION, + (pitch % PITCH_SPEED_PRECISION) / (PITCH_SPEED_PRECISION / 10)); + } + } + + display->getstringsize(buf, &w, &h); + display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2), + show_lang_pitch ? (pitch_viewports[PITCH_MID].height / 2) : + (pitch_viewports[PITCH_MID].height / 2) - (h / 2), + buf); + if (w > width_used) + width_used = w; + + /* "limit" and "timestretch" labels */ + if (max_lines >= 7) + { + if(at_limit) + { + const char * const p = rb->str(LANG_STRETCH_LIMIT); + display->getstringsize(p, &w, &h); + display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2), + (pitch_viewports[PITCH_MID].height / 2) + h, p); + if (w > width_used) + width_used = w; + } + } + + /* Middle section left/right labels */ + const char *leftlabel = "-2%"; + const char *rightlabel = "+2%"; + if (rb->global_settings->pitch_mode_timestretch) + { + leftlabel = "<<"; + rightlabel = ">>"; + } + + /* Only display if they fit */ + display->getstringsize(leftlabel, &w, &h); + width_used += w; + display->getstringsize(rightlabel, &w, &h); + width_used += w; + + if (width_used <= pitch_viewports[PITCH_MID].width) + { + display->putsxy(0, (pitch_viewports[PITCH_MID].height / 2) - (h / 2), + leftlabel); + display->putsxy((pitch_viewports[PITCH_MID].width - w), + (pitch_viewports[PITCH_MID].height / 2) - (h / 2), + rightlabel); + } + display->update_viewport(); + display->set_viewport(last_vp); +} + +static int32_t pitch_increase(int32_t pitch, int32_t pitch_delta, bool allow_cutoff + /* need this to maintain correct pitch/speed caps */ + , int32_t speed + ) +{ + int32_t new_pitch; + int32_t new_stretch; + at_limit = false; + + if (pitch_delta < 0) + { + /* for large jumps, snap up to whole numbers */ + if(allow_cutoff && pitch_delta <= -PITCH_SPEED_PRECISION && + (pitch + pitch_delta) % PITCH_SPEED_PRECISION != 0) + { + pitch_delta += PITCH_SPEED_PRECISION - ((pitch + pitch_delta) % PITCH_SPEED_PRECISION); + } + + new_pitch = pitch + pitch_delta; + + if (new_pitch < PITCH_MIN) + { + if (!allow_cutoff) + { + return pitch; + } + new_pitch = PITCH_MIN; + at_limit = true; + } + } + else if (pitch_delta > 0) + { + /* for large jumps, snap down to whole numbers */ + if(allow_cutoff && pitch_delta >= PITCH_SPEED_PRECISION && + (pitch + pitch_delta) % PITCH_SPEED_PRECISION != 0) + { + pitch_delta -= (pitch + pitch_delta) % PITCH_SPEED_PRECISION; + } + + new_pitch = pitch + pitch_delta; + + if (new_pitch > PITCH_MAX) + { + if (!allow_cutoff) + return pitch; + new_pitch = PITCH_MAX; + at_limit = true; + } + } + else + { + /* pitch_delta == 0 -> no real change */ + return pitch; + } + if (rb->dsp_timestretch_available()) + { + /* increase the multiple to increase precision of this calculation */ + new_stretch = GET_STRETCH(new_pitch, speed); + if(new_stretch < STRETCH_MIN) + { + /* we have to ignore allow_cutoff, because we can't have the */ + /* stretch go higher than STRETCH_MAX */ + new_pitch = GET_PITCH(speed, STRETCH_MIN); + } + else if(new_stretch > STRETCH_MAX) + { + /* we have to ignore allow_cutoff, because we can't have the */ + /* stretch go higher than STRETCH_MAX */ + new_pitch = GET_PITCH(speed, STRETCH_MAX); + } + + if(new_stretch >= STRETCH_MAX || + new_stretch <= STRETCH_MIN) + { + at_limit = true; + } + } + + rb->sound_set_pitch(new_pitch); + + return new_pitch; +} + +static int32_t get_semitone_from_pitch(int32_t pitch) +{ + int semitone = 0; + int32_t fractional_index = 0; + + while(semitone < NUM_SEMITONES - 1 && + pitch >= semitone_table[semitone + 1]) + { + semitone++; + } + + + /* now find the fractional part */ + while(pitch > (cent_interp[fractional_index + 1] * + semitone_table[semitone] / PITCH_SPEED_100)) + { + /* Check to make sure fractional_index isn't too big */ + /* This should never happen. */ + if(fractional_index >= CENT_INTERP_NUM - 1) + { + break; + } + fractional_index++; + } + + int32_t semitone_pitch_a = cent_interp[fractional_index] * + semitone_table[semitone] / + PITCH_SPEED_100; + int32_t semitone_pitch_b = cent_interp[fractional_index + 1] * + semitone_table[semitone] / + PITCH_SPEED_100; + /* this will be the integer offset from the cent_interp entry */ + int32_t semitone_frac_ofs = (pitch - semitone_pitch_a) * CENT_INTERP_INTERVAL / + (semitone_pitch_b - semitone_pitch_a); + semitone = (semitone + SEMITONE_START) * PITCH_SPEED_PRECISION + + fractional_index * CENT_INTERP_INTERVAL + + semitone_frac_ofs; + + return semitone; +} + +static int32_t get_pitch_from_semitone(int32_t semitone) +{ + int32_t adjusted_semitone = semitone - SEMITONE_START * PITCH_SPEED_PRECISION; + + /* Find the index into the semitone table */ + int32_t semitone_index = (adjusted_semitone / PITCH_SPEED_PRECISION); + + /* set pitch to the semitone's integer part value */ + int32_t pitch = semitone_table[semitone_index]; + /* get the range of the cent modification for future calculation */ + int32_t pitch_mod_a = + cent_interp[(adjusted_semitone % PITCH_SPEED_PRECISION) / + CENT_INTERP_INTERVAL]; + int32_t pitch_mod_b = + cent_interp[(adjusted_semitone % PITCH_SPEED_PRECISION) / + CENT_INTERP_INTERVAL + 1]; + /* figure out the cent mod amount based on the semitone fractional value */ + int32_t pitch_mod = pitch_mod_a + (pitch_mod_b - pitch_mod_a) * + (adjusted_semitone % CENT_INTERP_INTERVAL) / CENT_INTERP_INTERVAL; + + /* modify pitch based on the mod amount we just calculated */ + return (pitch * pitch_mod + PITCH_SPEED_100 / 2) / PITCH_SPEED_100; +} + +static int32_t pitch_increase_semitone(int32_t pitch, + int32_t current_semitone, + int32_t semitone_delta + , int32_t speed + ) +{ + int32_t new_semitone = current_semitone; + + /* snap to the delta interval */ + if(current_semitone % semitone_delta != 0) + { + if(current_semitone > 0 && semitone_delta > 0) + new_semitone += semitone_delta; + else if(current_semitone < 0 && semitone_delta < 0) + new_semitone += semitone_delta; + + new_semitone -= new_semitone % semitone_delta; + } + else + new_semitone += semitone_delta; + + /* clamp the pitch so it doesn't go beyond the pitch limits */ + if(new_semitone < (SEMITONE_START * PITCH_SPEED_PRECISION)) + { + new_semitone = SEMITONE_START * PITCH_SPEED_PRECISION; + at_limit = true; + } + else if(new_semitone > (SEMITONE_END * PITCH_SPEED_PRECISION)) + { + new_semitone = SEMITONE_END * PITCH_SPEED_PRECISION; + at_limit = true; + } + + int32_t new_pitch = get_pitch_from_semitone(new_semitone); + + int32_t new_stretch = GET_STRETCH(new_pitch, speed); + + /* clamp the pitch so it doesn't go beyond the stretch limits */ + if( new_stretch > STRETCH_MAX) + { + new_pitch = GET_PITCH(speed, STRETCH_MAX); + new_semitone = get_semitone_from_pitch(new_pitch); + at_limit = true; + } + else if (new_stretch < STRETCH_MIN) + { + new_pitch = GET_PITCH(speed, STRETCH_MIN); + new_semitone = get_semitone_from_pitch(new_pitch); + at_limit = true; + } + + pitch_increase(pitch, new_pitch - pitch, false + , speed + ); + + return new_semitone; +} + +#ifdef HAVE_TOUCHSCREEN +/* + * Check for touchscreen presses as per sketch above in this file + * + * goes through each row of the, checks whether the touchscreen + * was pressed in it. Then it looks the columns of each row for specific actions + */ +static int pitchscreen_do_touchscreen(struct viewport vps[]) +{ + short x, y; + struct viewport *this_vp = &vps[PITCH_TOP]; + int ret; + static bool wait_for_release = false; + ret = rb->action_get_touchscreen_press_in_vp(&x, &y, this_vp); + + /* top row */ + if (ret > ACTION_UNKNOWN) + { /* press on top row, left or right column + * only toggle mode if released */ + int column = this_vp->width / 3; + if ((x < column || x > (2*column)) && (ret == BUTTON_REL)) + return ACTION_PS_TOGGLE_MODE; + + + else if (x >= column && x <= (2*column)) + { /* center column pressed */ + if (ret == BUTTON_REPEAT) + return ACTION_PS_INC_BIG; + else if (ret & BUTTON_REL) + return ACTION_PS_INC_SMALL; + } + return ACTION_NONE; + } + + /* now the center row */ + this_vp = &vps[PITCH_MID]; + ret = rb->action_get_touchscreen_press_in_vp(&x, &y, this_vp); + + if (ret > ACTION_UNKNOWN) + { + int column = this_vp->width / 3; + + if (x < column) + { /* left column */ + if (ret & BUTTON_REL) + { + wait_for_release = false; + return ACTION_PS_NUDGE_LEFTOFF; + } + else if (ret & BUTTON_REPEAT) + return ACTION_PS_SLOWER; + if (!wait_for_release) + { + wait_for_release = true; + return ACTION_PS_NUDGE_LEFT; + } + } + else if (x > (2*column)) + { /* right column */ + if (ret & BUTTON_REL) + { + wait_for_release = false; + return ACTION_PS_NUDGE_RIGHTOFF; + } + else if (ret & BUTTON_REPEAT) + return ACTION_PS_FASTER; + if (!wait_for_release) + { + wait_for_release = true; + return ACTION_PS_NUDGE_RIGHT; + } + } + else + /* center column was pressed */ + return ACTION_PS_RESET; + } + + /* now the bottom row */ + this_vp = &vps[PITCH_BOTTOM]; + ret = rb->action_get_touchscreen_press_in_vp(&x, &y, this_vp); + + if (ret > ACTION_UNKNOWN) + { + int column = this_vp->width / 3; + + /* left or right column is exit */ + if ((x < column || x > (2*column)) && (ret == BUTTON_REL)) + return ACTION_PS_EXIT; + else if (x >= column && x <= (2*column)) + { /* center column was pressed */ + if (ret & BUTTON_REPEAT) + return ACTION_PS_DEC_BIG; + else if (ret & BUTTON_REL) + return ACTION_PS_DEC_SMALL; + } + return ACTION_NONE; + } + return ACTION_NONE; +} + +#endif +/* + returns: + 0 on exit + 1 if USB was connected +*/ + +int gui_syncpitchscreen_run(void) +{ + int button; + int32_t pitch = rb->sound_get_pitch(); + int32_t semitone; + + int32_t new_pitch; + int32_t pitch_delta; + bool nudged = false; + int i, updated = 4, decimals = 0; + bool exit = false; + /* should maybe be passed per parameter later, not needed for now */ + struct viewport parent[NB_SCREENS]; + struct viewport pitch_viewports[NB_SCREENS][PITCH_ITEM_COUNT]; + int max_lines[NB_SCREENS]; + + //push_current_activity(ACTIVITY_PITCHSCREEN); + + int32_t new_speed = 0, new_stretch; + + /* the speed variable holds the apparent speed of the playback */ + int32_t speed; + if (rb->dsp_timestretch_available()) + { + speed = GET_SPEED(pitch, rb->dsp_get_timestretch()); + } + else + { + speed = pitch; + } + + + + /* Count decimals for speaking */ + for (i = PITCH_SPEED_PRECISION; i >= 10; i /= 10) + decimals++; + + /* set the semitone index based on the current pitch */ + semitone = get_semitone_from_pitch(pitch); + + /* initialize pitchscreen vps */ + FOR_NB_SCREENS(i) + { + rb->viewport_set_defaults(&parent[i], i); + max_lines[i] = viewport_get_nb_lines(&parent[i]); + pitchscreen_fix_viewports(&parent[i], pitch_viewports[i]); + rb->screens[i]->set_viewport(&parent[i]); + rb->screens[i]->clear_viewport(); + + /* also, draw the icons now, it's only needed once */ + pitchscreen_draw_icons(rb->screens[i], &parent[i]); + } + + + while (!exit) + { + FOR_NB_SCREENS(i) + pitchscreen_draw(rb->screens[i], max_lines[i], + pitch_viewports[i], pitch, semitone + , speed + ); + pitch_delta = 0; + new_speed = 0; + + if (rb->global_settings->talk_menu && updated) + { + rb->talk_shutup(); + switch (updated) + { + case 1: + if (rb->global_settings->pitch_mode_semitone) + rb->talk_value_decimal(semitone, UNIT_SIGNED, decimals, false); + else + rb->talk_value_decimal(pitch, UNIT_PERCENT, decimals, false); + break; + case 2: + rb->talk_value_decimal(speed, UNIT_PERCENT, decimals, false); + break; + case 3: + speak_pitch_mode(false); + break; + case 4: + if (rb->global_settings->pitch_mode_timestretch && rb->dsp_timestretch_available()) + rb->talk_id(LANG_PITCH, false); + else + rb->talk_id(LANG_PLAYBACK_RATE, false); + rb->talk_value_decimal(pitch, UNIT_PERCENT, decimals, true); + if (rb->global_settings->pitch_mode_timestretch && rb->dsp_timestretch_available()) + { + rb->talk_id(LANG_SPEED, true); + rb->talk_value_decimal(speed, UNIT_PERCENT, decimals, true); + } + speak_pitch_mode(true); + break; + default: + break; + } + } + updated = 0; + + button = rb->get_action(CONTEXT_PITCHSCREEN, HZ); + +#ifdef HAVE_TOUCHSCREEN + if (button == ACTION_TOUCHSCREEN) + { + FOR_NB_SCREENS(i) + button = pitchscreen_do_touchscreen(pitch_viewports[i]); + } +#endif + switch (button) + { + case ACTION_PS_INC_SMALL: + if(rb->global_settings->pitch_mode_semitone) + pitch_delta = SEMITONE_SMALL_DELTA; + else + pitch_delta = PITCH_SMALL_DELTA; + updated = 1; + break; + + case ACTION_PS_INC_BIG: + if(rb->global_settings->pitch_mode_semitone) + pitch_delta = SEMITONE_BIG_DELTA; + else + pitch_delta = PITCH_BIG_DELTA; + updated = 1; + break; + + case ACTION_PS_DEC_SMALL: + if(rb->global_settings->pitch_mode_semitone) + pitch_delta = -SEMITONE_SMALL_DELTA; + else + pitch_delta = -PITCH_SMALL_DELTA; + updated = 1; + break; + + case ACTION_PS_DEC_BIG: + if(rb->global_settings->pitch_mode_semitone) + pitch_delta = -SEMITONE_BIG_DELTA; + else + pitch_delta = -PITCH_BIG_DELTA; + updated = 1; + break; + + case ACTION_PS_NUDGE_RIGHT: + if (!rb->global_settings->pitch_mode_timestretch) + { + new_pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false + , speed + ); + nudged = (new_pitch != pitch); + pitch = new_pitch; + semitone = get_semitone_from_pitch(pitch); + speed = pitch; + updated = nudged ? 1 : 0; + break; + } + else + { + new_speed = speed + SPEED_SMALL_DELTA; + at_limit = false; + updated = 2; + } + break; + + case ACTION_PS_FASTER: + if (rb->global_settings->pitch_mode_timestretch) + { + new_speed = speed + SPEED_BIG_DELTA; + /* snap to whole numbers */ + if(new_speed % PITCH_SPEED_PRECISION != 0) + new_speed -= new_speed % PITCH_SPEED_PRECISION; + at_limit = false; + updated = 2; + } + break; + + case ACTION_PS_NUDGE_RIGHTOFF: + if (nudged) + { + pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false + , speed + ); + speed = pitch; + semitone = get_semitone_from_pitch(pitch); + nudged = false; + updated = 1; + } + break; + + case ACTION_PS_NUDGE_LEFT: + if (!rb->global_settings->pitch_mode_timestretch) + { + new_pitch = pitch_increase(pitch, -PITCH_NUDGE_DELTA, false + , speed + ); + nudged = (new_pitch != pitch); + pitch = new_pitch; + semitone = get_semitone_from_pitch(pitch); + speed = pitch; + updated = nudged ? 1 : 0; + break; + } + else + { + new_speed = speed - SPEED_SMALL_DELTA; + at_limit = false; + updated = 2; + } + break; + + case ACTION_PS_SLOWER: + if (rb->global_settings->pitch_mode_timestretch) + { + new_speed = speed - SPEED_BIG_DELTA; + /* snap to whole numbers */ + if(new_speed % PITCH_SPEED_PRECISION != 0) + new_speed += PITCH_SPEED_PRECISION - speed % PITCH_SPEED_PRECISION; + at_limit = false; + updated = 2; + } + break; + + case ACTION_PS_NUDGE_LEFTOFF: + if (nudged) + { + pitch = pitch_increase(pitch, PITCH_NUDGE_DELTA, false + , speed + ); + speed = pitch; + semitone = get_semitone_from_pitch(pitch); + nudged = false; + updated = 1; + } + break; + + case ACTION_PS_RESET: + pitch = PITCH_SPEED_100; + rb->sound_set_pitch(pitch); + speed = PITCH_SPEED_100; + if (rb->dsp_timestretch_available()) + { + rb->dsp_set_timestretch(PITCH_SPEED_100); + at_limit = false; + } + semitone = get_semitone_from_pitch(pitch); + updated = 4; + break; + + case ACTION_PS_TOGGLE_MODE: + rb->global_settings->pitch_mode_semitone = !rb->global_settings->pitch_mode_semitone; + + if (rb->dsp_timestretch_available() && !rb->global_settings->pitch_mode_semitone) + { + rb->global_settings->pitch_mode_timestretch = !rb->global_settings->pitch_mode_timestretch; + if(!rb->global_settings->pitch_mode_timestretch) + { + /* no longer in timestretch mode. Reset speed */ + speed = pitch; + rb->dsp_set_timestretch(PITCH_SPEED_100); + } + } + rb->settings_save(); + updated = 3; + break; + + case ACTION_PS_EXIT: + exit = true; + break; + + default: + if (rb->default_event_handler(button) == SYS_USB_CONNECTED) + return 1; + break; + } + if (pitch_delta) + { + if (rb->global_settings->pitch_mode_semitone) + { + semitone = pitch_increase_semitone(pitch, semitone, pitch_delta + , speed + ); + pitch = get_pitch_from_semitone(semitone); + } + else + { + pitch = pitch_increase(pitch, pitch_delta, true + , speed + ); + semitone = get_semitone_from_pitch(pitch); + } + if (rb->global_settings->pitch_mode_timestretch) + { + /* do this to make sure we properly obey the stretch limits */ + new_speed = speed; + } + else + { + speed = pitch; + } + } + + if(new_speed) + { + new_stretch = GET_STRETCH(pitch, new_speed); + + /* limit the amount of stretch */ + if(new_stretch > STRETCH_MAX) + { + new_stretch = STRETCH_MAX; + new_speed = GET_SPEED(pitch, new_stretch); + } + else if(new_stretch < STRETCH_MIN) + { + new_stretch = STRETCH_MIN; + new_speed = GET_SPEED(pitch, new_stretch); + } + + new_stretch = GET_STRETCH(pitch, new_speed); + if(new_stretch >= STRETCH_MAX || + new_stretch <= STRETCH_MIN) + { + at_limit = true; + } + + /* set the amount of stretch */ + rb->dsp_set_timestretch(new_stretch); + + /* update the speed variable with the new speed */ + speed = new_speed; + + /* Reset new_speed so we only call dsp_set_timestretch */ + /* when needed */ + new_speed = 0; + } + } + + //rb->pcmbuf_set_low_latency(false); + //pop_current_activity(); + + /* Clean up */ + FOR_NB_SCREENS(i) + { + rb->screens[i]->set_viewport(NULL); + } + + return 0; +} + +static int arg_callback(char argchar, const char **parameter) +{ + int ret; + long num, dec; + bool bret; + //rb->splashf(100, "Arg: %c", argchar); + while (*parameter[0] > '/' && ispunct(*parameter[0])) (*parameter)++; + switch (tolower(argchar)) + { + case 'q' : + pitch_vars.flags &= ~PVAR_VERBOSE; + break; + case 'g' : + pitch_vars.flags |= PVAR_GUI; + break; + case 'p' : + ret = longnum_parse(parameter, &num, &dec); + if (ret) + { + dec /= (ARGPARSE_FRAC_DEC_MULTIPLIER / PITCH_SPEED_PRECISION); + if (num < 0) + dec = -dec; + pitch_vars.pitch = (num * PITCH_SPEED_PRECISION + (dec % PITCH_SPEED_PRECISION)); + } + break; + case 'k' : + ret = bool_parse(parameter, &bret); + if (ret) + { + if(!bret && rb->dsp_timestretch_available()) + { + /* no longer in timestretch mode. Reset speed */ + rb->dsp_set_timestretch(PITCH_SPEED_100); + } + rb->dsp_timestretch_enable(bret); + if ((pitch_vars.flags & PVAR_VERBOSE) == PVAR_VERBOSE) + rb->splashf(HZ, "Timestretch: %s", bret ? "true" : "false"); + int n = 10; /* 1 second */ + while (bret && n-- > 0 && !rb->dsp_timestretch_available()) + { + rb->sleep(HZ / 10); + } + } + break; + case 's' : + ret = longnum_parse(parameter, &num, &dec); + if (ret && rb->dsp_timestretch_available()) + { + dec /= (ARGPARSE_FRAC_DEC_MULTIPLIER / PITCH_SPEED_PRECISION); + if (num < 0) + break; + pitch_vars.speed = (num * PITCH_SPEED_PRECISION + (dec % PITCH_SPEED_PRECISION)); + + } + break; + default : + rb->splashf(HZ, "Unknown switch '%c'",argchar); + //return 0; + } + + return 1; +} + +void fill_pitchvars(struct pvars *pv) +{ + if (!pv) + return; + pv->pitch = rb->sound_get_pitch(); + + /* the speed variable holds the apparent speed of the playback */ + if (rb->dsp_timestretch_available()) + { + pv->speed = GET_SPEED(pv->pitch, rb->dsp_get_timestretch()); + } + else + { + pv->speed = pv->pitch; + } + + pv->stretch = GET_STRETCH(pv->pitch, pv->speed); + pv->flags |= PVAR_VERBOSE; + +} +/* plugin entry point */ +enum plugin_status plugin_start(const void* parameter) +{ + /* pitch_screen + * accepts args -q, -g, -p=, -s=, -k=; (= sign is optional) + * -q silences output splash + * -g runs the gui (DEFAULT) + * -p100 would set pitch to 100% + * -s=90 sets speed to 90% if timestrech is enabled + * -k=true -k1 enables time stretch -k0 -kf-kn disables +*/ + bool gui = false; + rb->pcmbuf_set_low_latency(true); + + /* Figure out whether to be in timestretch mode */ + if (parameter == NULL) /* gui mode */ + { + if (rb->global_settings->pitch_mode_timestretch && !rb->dsp_timestretch_available()) + { + rb->global_settings->pitch_mode_timestretch = false; + rb->settings_save(); + } + gui = true; + } + else + { + struct pvars cur; + fill_pitchvars(&cur); + fill_pitchvars(&pitch_vars); + argparse((const char*) parameter, -1, &arg_callback); + if (pitch_vars.pitch != cur.pitch) + { + rb->sound_set_pitch(pitch_vars.pitch); + pitch_vars.pitch = rb->sound_get_pitch(); + if ((pitch_vars.flags & PVAR_VERBOSE) == PVAR_VERBOSE) + rb->splashf(HZ, "pitch: %ld.%02ld%%", + pitch_vars.pitch / PITCH_SPEED_PRECISION, + pitch_vars.pitch % PITCH_SPEED_PRECISION); + } + if (pitch_vars.speed != cur.speed) + { + pitch_vars.stretch = GET_STRETCH(pitch_vars.pitch, pitch_vars.speed); + + /* limit the amount of stretch */ + if(pitch_vars.stretch > STRETCH_MAX) + { + pitch_vars.stretch = STRETCH_MAX; + pitch_vars.speed = GET_SPEED(pitch_vars.pitch, pitch_vars.stretch); + } + else if(pitch_vars.stretch < STRETCH_MIN) + { + pitch_vars.stretch = STRETCH_MIN; + pitch_vars.speed = GET_SPEED(pitch_vars.pitch, pitch_vars.stretch); + } + + pitch_vars.stretch = GET_STRETCH(pitch_vars.pitch, pitch_vars.speed); + if ((pitch_vars.flags & PVAR_VERBOSE) == PVAR_VERBOSE) + rb->splashf(HZ, "speed: %ld.%02ld%%", + pitch_vars.speed / PITCH_SPEED_PRECISION, + pitch_vars.speed % PITCH_SPEED_PRECISION); + /* set the amount of stretch */ + rb->dsp_set_timestretch(pitch_vars.stretch); + } + gui = ((pitch_vars.flags & PVAR_GUI) == PVAR_GUI); + if ((pitch_vars.flags & PVAR_VERBOSE) == PVAR_VERBOSE) + rb->splashf(HZ, "GUI: %d", gui); + + } + + if (gui && gui_syncpitchscreen_run() == 1) + return PLUGIN_USB_CONNECTED; + rb->pcmbuf_set_low_latency(false); + return PLUGIN_OK; +}