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rockbox/apps/plugins/splitedit.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

1279 lines
36 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Philipp Pertermann
*
* 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"
#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
PLUGIN_HEADER
/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define SPLITEDIT_QUIT BUTTON_OFF
#define SPLITEDIT_PLAY BUTTON_PLAY
#define SPLITEDIT_SAVE BUTTON_F1
#define SPLITEDIT_LOOP_MODE BUTTON_F2
#define SPLITEDIT_SCALE BUTTON_F3
#define SPLITEDIT_SPEED50 (BUTTON_ON | BUTTON_LEFT)
#define SPLITEDIT_SPEED100 (BUTTON_ON | BUTTON_PLAY)
#define SPLITEDIT_SPEED150 (BUTTON_ON | BUTTON_RIGHT)
#define SPLITEDIT_MENU_RUN BUTTON_PLAY
#elif CONFIG_KEYPAD == ONDIO_PAD
#define SPLITEDIT_QUIT BUTTON_OFF
#define SPLITEDIT_PLAY_PRE BUTTON_MENU
#define SPLITEDIT_PLAY (BUTTON_MENU | BUTTON_REL)
#define SPLITEDIT_SAVE (BUTTON_MENU | BUTTON_LEFT)
#define SPLITEDIT_LOOP_MODE (BUTTON_MENU | BUTTON_UP)
#define SPLITEDIT_SCALE (BUTTON_MENU | BUTTON_RIGHT)
#define SPLITEDIT_MENU_RUN BUTTON_RIGHT
#elif CONFIG_KEYPAD == IRIVER_H100_PAD
#define SPLITEDIT_QUIT BUTTON_OFF
#define SPLITEDIT_PLAY BUTTON_ON
#define SPLITEDIT_SAVE BUTTON_SELECT
#define SPLITEDIT_LOOP_MODE BUTTON_MODE
#define SPLITEDIT_SCALE (BUTTON_REC | BUTTON_UP)
#define SPLITEDIT_SPEED50 (BUTTON_REC | BUTTON_LEFT)
#define SPLITEDIT_SPEED100 (BUTTON_REC | BUTTON_DOWN)
#define SPLITEDIT_SPEED150 (BUTTON_REC | BUTTON_RIGHT)
#define SPLITEDIT_MENU_RUN BUTTON_RIGHT
#define SPLITEDIT_RC_QUIT BUTTON_RC_STOP
#endif
#define BMPHEIGHT 7
#define BMPWIDTH 13
unsigned char LOOP_BMP[][13] =
{
{0xfc,0x00,0x10,0x11,0x93,0x7f,0x13,0x11,0x7c,0x38,0x10,0x00,0x7c}, /*ALL */
{0x81,0x03,0x7f,0x03,0x91,0x10,0x10,0x10,0x7c,0x38,0x10,0x00,0x7c}, /*FROM*/
{0xfc,0x00,0x10,0x10,0x90,0x10,0x7c,0x38,0x11,0x03,0x7f,0x03,0x01}, /*TO */
{0x80,0x10,0x10,0x11,0x93,0x7f,0x13,0x11,0x10,0x7c,0x38,0x10,0x00}, /*FREE*/
};
unsigned char CUT_BMP[] =
{
0xc1,0x63,0x63,0x36,0xb6,0x1c,0x1c,0x36,0x77,0x55,0x55,0x55,0x32,
};
unsigned char SCALE_BMP[][13] =
{
{0x80,0x06,0x49,0x66,0xb0,0x18,0x0c,0x06,0x33,0x49,0x30,0x00,0x00}, /*lin*/
{0x80,0x30,0x78,0x48,0xff,0x7f,0x00,0x7f,0x7f,0x48,0x78,0x30,0x00}, /*db*/
};
#define TIMEBAR_Y 9
#define TIMEBAR_HEIGHT 4
#define OSCI_X 0
#define OSCI_Y (TIMEBAR_Y + TIMEBAR_HEIGHT + 1)
#define OSCI_WIDTH LCD_WIDTH
#define OSCI_HEIGHT (LCD_HEIGHT - BMPHEIGHT - OSCI_Y - 1)
/* Indices of the menu items in the save editor, see save_editor */
#define SE_PART1_SAVE 0
#define SE_PART1_NAME 1
#define SE_PART2_SAVE 2
#define SE_PART2_NAME 3
#define SE_SAVE 4
#define SE_COUNT 5
/* the global api pointer */
static const struct plugin_api* rb;
/* contains the file name of the song that is to be split */
static char path_mp3[MAX_PATH];
/* Exit code of this plugin */
static enum plugin_status splitedit_exit_code = PLUGIN_OK;
/* The range in time that the displayed aerea comprises */
static unsigned int range_start = 0;
static unsigned int range_end = 0;
/* The range in time that is being looped */
static unsigned int play_start = 0;
static unsigned int play_end = 0;
/* Point in time (pixel) at which the split mark is set */
static int split_x = OSCI_X + (OSCI_WIDTH / 2);
/* Contains the peak values */
static unsigned char osci_buffer[OSCI_WIDTH];
/* if true peak values from a previous loop are only overwritten
if the new value is greater than the old value */
static bool osci_valid = false;
/**
* point in time from which on the osci_buffer is invalid
* if set to ~(unsigned int)0 the entire osci_buffer is invalid
*/
static unsigned int validation_start = ~(unsigned int)0;
/* all the visible aerea is looped */
#define LOOP_MODE_ALL 0
/* loop starts at split point, ends at right visible border */
#define LOOP_MODE_FROM 1
/* loop start at left visible border, ends at split point */
#define LOOP_MODE_TO 2
/* let the song play without looping */
#define LOOP_MODE_FREE 3
/* see LOOP_MODE_XXX constants vor valid values */
static int loop_mode = LOOP_MODE_FREE;
/* minimal allowed timespan (ms) of the visible (and looped) aerea*/
#define MIN_RANGE_SIZE 1000
/* Format time into buf.
*
* buf - buffer to format to.
* buf_size - size of buffer.
* time - time to format, in milliseconds.
*/
static void format_time_ms(char* buf, int buf_size, int time)
{
rb->snprintf(buf, buf_size, "%d:%02d:%03d", time / 60000,
time % 60000 / 1000, (time % 60000) % 1000);
}
/**
* converts screen coordinate (pixel) to time (ms)
*/
static int xpos_to_time(int xpos)
{
int retval = 0;
int range = range_end - range_start;
retval = range_start + (((xpos - OSCI_X) * range) / OSCI_WIDTH);
return retval;
}
/**
* Converts time (ms) to screen coordinates (pixel).
*/
static int time_to_xpos(unsigned int time)
{
int retval = OSCI_X;
/* clip the range */
if (time < range_start)
{
retval = OSCI_X;
}
else
if (time >= range_end)
{
retval = OSCI_X + OSCI_WIDTH;
}
/* do the calculation */
else
{
int range = range_end - range_start;
retval = OSCI_X + ((time - range_start) * OSCI_WIDTH) / range ;
}
return retval;
}
/**
* Updates the display of the textual data only.
*/
static void update_data(void)
{
char buf[20];
char timebuf[10];
int w, h;
/* split point */
format_time_ms(timebuf, sizeof buf, xpos_to_time(split_x));
rb->snprintf(buf, sizeof buf, "Split at: %s", timebuf);
rb->lcd_getstringsize(buf, &w, &h);
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, 0, LCD_WIDTH, h);
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_puts(0, 0, buf);
rb->lcd_update_rect(0, 0, LCD_WIDTH, h);
}
/**
* Displays which part of the song is visible
* in the osci.
*/
static void update_timebar(struct mp3entry *mp3)
{
rb->gui_scrollbar_draw
(
rb->screens[SCREEN_MAIN],0, TIMEBAR_Y, LCD_WIDTH, TIMEBAR_HEIGHT,
mp3->length, range_start, range_end,
HORIZONTAL
);
rb->lcd_update_rect(0, TIMEBAR_Y, LCD_WIDTH, TIMEBAR_HEIGHT);
}
/**
* Marks the entire area of the osci buffer invalid.
* It will be drawn with new values in the next loop.
*/
void splitedit_invalidate_osci(void)
{
osci_valid = false;
validation_start = ~(unsigned int)0;
}
/**
* Returns the loop mode. See the LOOP_MODE_XXX constants above.
*/
int splitedit_get_loop_mode(void)
{
return loop_mode;
}
/**
* Updates the icons that display the Fn key hints.
*/
static void update_icons(void)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, LCD_HEIGHT - BMPHEIGHT, LCD_WIDTH, BMPHEIGHT);
rb->lcd_set_drawmode(DRMODE_SOLID);
/* The CUT icon */
rb->lcd_mono_bitmap(CUT_BMP,
LCD_WIDTH / 3 / 2 - BMPWIDTH / 2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT);
/* The loop mode icon */
rb->lcd_mono_bitmap(LOOP_BMP[splitedit_get_loop_mode()],
LCD_WIDTH/3 + LCD_WIDTH/3 / 2 - BMPWIDTH/2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT);
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
/* The scale icon */
rb->lcd_mono_bitmap(SCALE_BMP[rb->peak_meter_get_use_dbfs() ? 1 : 0],
2 *LCD_WIDTH/3 + LCD_WIDTH/3 / 2 - BMPWIDTH/2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT);
#else
{
static int idx;
if (idx < 0 || idx > 1) idx = 0;
idx = 1 - idx;
rb->lcd_mono_bitmap(SCALE_BMP[idx],
2 *LCD_WIDTH/3 + LCD_WIDTH/3 / 2 - BMPWIDTH/2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT);
}
#endif
rb->lcd_update_rect(0, LCD_HEIGHT - BMPHEIGHT, LCD_WIDTH, BMPHEIGHT);
}
/**
* Sets the loop mode. See the LOOP_MODE_XXX constants above.
*/
void splitedit_set_loop_mode(int mode)
{
int old_loop_mode = loop_mode;
/* range restriction */
loop_mode = mode % (LOOP_MODE_FREE + 1);
switch (loop_mode)
{
case LOOP_MODE_ALL:
play_start = range_start;
play_end = range_end;
break;
case LOOP_MODE_FROM:
play_start = xpos_to_time(split_x);
play_end = range_end;
break;
case LOOP_MODE_TO:
play_start = range_start;
play_end = xpos_to_time(split_x);
break;
case LOOP_MODE_FREE:
/* play_start is used when the song plays beyond its end */
play_start = range_start;
play_end = range_end;
break;
}
if (loop_mode != old_loop_mode)
{
update_icons();
}
}
/**
* Readraws the osci without clear.
*/
static void redraw_osci(void)
{
int x;
for (x = 0; x < OSCI_WIDTH; x++)
{
if (osci_buffer[x] > 0)
{
rb->lcd_vline
(
OSCI_X + x, OSCI_Y + OSCI_HEIGHT - 1,
OSCI_Y + OSCI_HEIGHT - osci_buffer[x] - 1
);
}
}
}
/**
* Sets the range of time in which the user can finetune the split
* point. The split point is the center of the time range.
*/
static void set_range_by_time(
struct mp3entry *mp3,
unsigned int split_time,
unsigned int range)
{
if (mp3 != NULL)
{
if (range < MIN_RANGE_SIZE)
{
range = MIN_RANGE_SIZE;
}
range_start = (split_time > range / 2) ? (split_time - range / 2) : 0;
range_end = MIN(range_start + range, mp3->length);
split_x = time_to_xpos(split_time);
splitedit_invalidate_osci();
/* this sets the play_start / play_end */
splitedit_set_loop_mode(splitedit_get_loop_mode());
update_data();
update_timebar(mp3);
}
}
/**
* Set the split point in screen coordinates
*/
void splitedit_set_split_x(int newx)
{
int minx = split_x - 2 > 0 ? split_x - 2: 0;
/* remove old split point from screen, only if moved */
if (split_x != newx)
{
rb->lcd_set_drawmode(DRMODE_COMPLEMENT);
rb->lcd_fillrect(minx, OSCI_Y, 5, 1);
rb->lcd_fillrect(split_x-1 > 0 ? split_x - 1: 0, OSCI_Y + 1, 3, 1);
rb->lcd_fillrect(split_x, OSCI_Y + 2, 1, OSCI_HEIGHT - 2);
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_update_rect(minx, OSCI_Y, 5, OSCI_HEIGHT);
}
if (newx >= OSCI_X && newx < OSCI_X + OSCI_WIDTH)
{
split_x = newx;
/* in LOOP_FROM / LOOP_TO modes play_start /play_end must be updated */
splitedit_set_loop_mode(splitedit_get_loop_mode());
/* display new split time */
update_data();
}
/* display new split point */
minx = split_x - 2 > 0 ? split_x - 2: 0;
rb->lcd_set_drawmode(DRMODE_COMPLEMENT);
rb->lcd_fillrect(minx, OSCI_Y, 5, 1);
rb->lcd_fillrect(split_x - 1 > 0 ? split_x - 1: 0, OSCI_Y + 1, 3, 1);
rb->lcd_fillrect(split_x, OSCI_Y + 2, 1, OSCI_HEIGHT - 2);
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_update_rect(minx, OSCI_Y, 5, OSCI_HEIGHT);
}
/**
* returns the split point in screen coordinates
*/
int splitedit_get_split_x(void)
{
return split_x;
}
/**
* Clears the osci area and redraws it
*/
static void update_osci(void)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(OSCI_X, OSCI_Y, OSCI_WIDTH, OSCI_HEIGHT);
rb->lcd_set_drawmode(DRMODE_SOLID);
redraw_osci();
splitedit_set_split_x(splitedit_get_split_x());
rb->lcd_update_rect(OSCI_X, OSCI_Y, OSCI_WIDTH, OSCI_HEIGHT);
}
/**
* Zooms the visable and loopable range by the factor
* (counter / denominator). The split point is used as
* center point of the new selected range.
*/
static void zoom(struct mp3entry *mp3, int counter, int denominator)
{
unsigned char oldbuf[OSCI_WIDTH];
int oldrange = range_end - range_start;
int range = oldrange * counter / denominator;
int i;
int oldindex;
int oldsplitx;
int splitx;
int split;
/* for stretching / shrinking a second buffer is needed */
rb->memcpy(&oldbuf, &osci_buffer, sizeof osci_buffer);
/* recalculate the new range and split point */
oldsplitx = split_x;
split = xpos_to_time(split_x);
set_range_by_time(mp3, split, range);
range = range_end - range_start;
splitx = time_to_xpos(split);
/* strech / shrink the existing osci buffer */
for (i = 0; i < OSCI_WIDTH; i++)
{
/* oldindex = (i + OSCI_X - splitx) * range / oldrange + oldsplitx ;*/
oldindex = (i*range / oldrange) + oldsplitx - (splitx*range /oldrange);
if (oldindex >= 0 && oldindex < OSCI_WIDTH)
{
osci_buffer[i] = oldbuf[oldindex];
}
else
{
osci_buffer[i] = 0;
}
}
splitx = time_to_xpos(split);
splitedit_set_split_x(splitx);
splitedit_invalidate_osci();
}
static void scroll(struct mp3entry *mp3)
{
zoom(mp3, 1, 1);
rb->lcd_update_rect(OSCI_X, OSCI_Y, LCD_WIDTH, OSCI_HEIGHT);
update_osci();
update_data();
}
/**
* Zooms in by 3/4
*/
void splitedit_zoom_in(struct mp3entry *mp3)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(OSCI_X, OSCI_Y, OSCI_WIDTH, OSCI_HEIGHT);
rb->lcd_set_drawmode(DRMODE_SOLID);
zoom(mp3, 3, 4);
rb->lcd_update_rect(OSCI_X, OSCI_Y, LCD_WIDTH, OSCI_HEIGHT);
update_osci();
update_data();
}
/**
* Zooms out by 4/3
*/
void splitedit_zoom_out(struct mp3entry *mp3)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(OSCI_X, OSCI_Y, LCD_WIDTH, OSCI_HEIGHT);
rb->lcd_set_drawmode(DRMODE_SOLID);
zoom(mp3, 4, 3);
rb->lcd_update_rect(OSCI_X, OSCI_Y, LCD_WIDTH, OSCI_HEIGHT);
update_osci();
update_data();
}
/**
* Append part_no to the file name.
*/
static void generateFileName(char* file_name, int part_no)
{
if (rb->strlen(file_name) <MAX_PATH)
{
int len = rb->strlen(file_name);
int ext_len = rb->strlen(".mp3");
if (rb->strcasecmp(
&file_name[len - ext_len],
".mp3") == 0)
{
int i = 0;
/* shift the extension one position to the right*/
for (i = len; i > len - ext_len; i--)
{
file_name[i] = file_name[i - 1];
}
file_name[len - ext_len] = '0' + part_no;
}
else
{
rb->splash(0, "wrong extension");
rb->button_get(true);
rb->button_get(true);
}
}
else
{
rb->splash(0, "name too long");
rb->button_get(true);
rb->button_get(true);
}
}
/**
* Copy bytes from src to dest while displaying a progressbar.
* The files must be already open.
*/
static int copy_file(
int dest,
int src,
unsigned int bytes,
int prg_y,
int prg_h)
{
long button;
unsigned char *buffer;
unsigned int i = 0;
ssize_t bytes_read = 1; /* ensure the for loop is executed */
size_t buffer_size;
buffer = rb->plugin_get_buffer(&buffer_size);
for (i = 0; i < bytes && bytes_read > 0; i += bytes_read)
{
ssize_t bytes_written;
unsigned int bytes_to_read =
bytes - i > buffer_size ? buffer_size : bytes - i;
bytes_read = rb->read(src, buffer, bytes_to_read);
bytes_written = rb->write(dest, buffer, bytes_read);
if (bytes_written < 0) {
rb->splash(0, "Write failed in copy.");
rb->button_get(true);
rb->button_get(true);
return -1;
}
button = rb->button_get(false);
if (button == SPLITEDIT_QUIT
#ifdef SPLITEDIT_RC_QUIT
|| button == SPLITEDIT_RC_QUIT:
#endif
) {
rb->splash(0, "Aborting copy.");
rb->button_get(true);
rb->button_get(true);
return -1;
}
rb->gui_scrollbar_draw(rb->screens[SCREEN_MAIN],0, prg_y, LCD_WIDTH,
prg_h, bytes, 0, i, HORIZONTAL);
rb->lcd_update_rect(0, prg_y, LCD_WIDTH, prg_h);
}
return 0;
}
/**
* Save the files, if the file_name is not NULL
*/
static int save(
struct mp3entry *mp3,
char *file_name1,
char *file_name2,
int splittime)
{
int file1, file2, src_file;
unsigned int end = 0;
int retval = 0;
/* Verify that file 1 doesn't exit yet */
if (file_name1 != NULL)
{
file1 = rb->open(file_name1, O_RDONLY);
if (file1 >= 0)
{
rb->close(file1);
rb->splash(0, "File 1 exists. Please rename.");
rb->button_get(true);
rb->button_get(true);
return -1;
}
}
/* Verify that file 2 doesn't exit yet */
if (file_name2 != NULL)
{
file2 = rb->open(file_name2, O_RDONLY);
if (file2 >= 0)
{
rb->close(file2);
rb->splash(0, "File 2 exists. Please rename.");
rb->button_get(true);
rb->button_get(true);
return -2;
}
}
/* find the file position of the split point */
rb->audio_pause();
rb->audio_ff_rewind(splittime);
rb->yield();
rb->yield();
end = rb->audio_get_file_pos();
/* open the source file */
src_file = rb->open(mp3->path, O_RDONLY);
if (src_file >= 0)
{
int close_stat = 0;
int x, y;
long offset;
unsigned long last_header = rb->mpeg_get_last_header();
rb->lcd_getstringsize("M", &x, &y);
/* Find the next frame boundary */
rb->lseek(src_file, end, SEEK_SET);
rb->find_next_frame(src_file, &offset, 8000, last_header);
rb->lseek(src_file, 0, SEEK_SET);
end += offset;
/* write the file 1 */
if (file_name1 != NULL)
{
file1 = rb->open (file_name1, O_WRONLY | O_CREAT);
if (file1 >= 0)
{
int rc = copy_file(file1, src_file, end, y*2 + 1, y -1);
close_stat = rb->close(file1);
if (close_stat != 0)
{
rb->splash(0, "failed closing file1: error %d", close_stat);
rb->button_get(true);
rb->button_get(true);
} else {
/* If there was an error, cleanup */
if (rc) {
rb->remove(file_name1);
}
}
}
else
{
rb->splash(0, "Can't write File1: error %d", file1);
rb->button_get(true);
rb->button_get(true);
retval = -1;
}
}
/* if file1 hasn't been written we're not at the split point yet */
else
{
if (rb->lseek(src_file, end, SEEK_SET) < (off_t)end)
{
rb->splash(0, "Src file to short: error %d", src_file);
rb->button_get(true);
rb->button_get(true);
}
}
if (file_name2 != NULL)
{
/* write file 2 */
file2 = rb->open (file_name2, O_WRONLY | O_CREAT);
if (file2 >= 0)
{
end = mp3->filesize - end;
int rc = copy_file(file2, src_file, end, y * 5 + 1, y -1);
close_stat = rb->close(file2);
if (close_stat != 0)
{
rb->splash(0, "failed: closing file2: error %d",
close_stat);
rb->button_get(true);
rb->button_get(true);
} else {
/* If there was an error, cleanup */
if (rc) {
rb->remove(file_name2);
}
}
}
else
{
rb->splash(0, "Can't write File2: error %d", file2);
rb->button_get(true);
rb->button_get(true);
retval = -2;
}
}
close_stat = rb->close(src_file);
if (close_stat != 0)
{
rb->splash(0, "failed: closing src: error %d", close_stat);
rb->button_get(true);
rb->button_get(true);
}
}
else
{
rb->splash(0, "Source file not found");
rb->button_get(true);
rb->button_get(true);
retval = -3;
}
rb->audio_resume();
return retval;
}
/**
* Let the user choose which file to save with which name
*/
static void save_editor(struct mp3entry *mp3, int splittime)
{
bool exit_request = false;
int choice = 0;
int button = BUTTON_NONE;
char part1_name [MAX_PATH];
char part2_name [MAX_PATH];
bool part1_save = true;
bool part2_save = true;
/* file name for left part */
rb->strncpy(part1_name, mp3->path, MAX_PATH);
generateFileName(part1_name, 1);
/* file name for right part */
rb->strncpy(part2_name, mp3->path, MAX_PATH);
generateFileName(part2_name, 2);
while (!exit_request)
{
int pos;
rb->lcd_clear_display();
/* Save file1? */
rb->lcd_puts_style(0, 0, "Save part 1?", choice == SE_PART1_SAVE);
rb->lcd_puts(13, 0, part1_save?"yes":"no");
/* trim to display the filename without path */
for (pos = rb->strlen(part1_name); pos > 0; pos--)
{
if (part1_name[pos] == '/')
break;
}
pos++;
/* File name 1 */
rb->lcd_puts_scroll_style(0, 1,
&part1_name[pos], choice == SE_PART1_NAME);
/* Save file2? */
rb->lcd_puts_style(0, 3, "Save part 2?", choice == SE_PART2_SAVE);
rb->lcd_puts(13, 3, part2_save?"yes":"no");
/* trim to display the filename without path */
for (pos = rb->strlen(part2_name); pos > 0; pos --)
{
if (part2_name[pos] == '/')
break;
}
pos++;
/* File name 2 */
rb->lcd_puts_scroll_style(0, 4,
&part2_name[pos], choice == SE_PART2_NAME);
/* Save */
rb->lcd_puts_style(0, 6, "Save", choice == SE_SAVE);
rb->lcd_update();
button = rb->button_get(true);
switch (button)
{
case BUTTON_UP:
choice = (choice + SE_COUNT - 1) % SE_COUNT;
break;
case BUTTON_DOWN:
choice = (choice + 1) % SE_COUNT;
break;
case SPLITEDIT_MENU_RUN:
switch (choice)
{
int saved;
case SE_PART1_SAVE:
part1_save = !part1_save;
break;
case SE_PART1_NAME:
rb->kbd_input(part1_name, MAX_PATH);
break;
case SE_PART2_SAVE:
part2_save = !part2_save;
break;
case SE_PART2_NAME:
rb->kbd_input(part2_name, MAX_PATH);
break;
case SE_SAVE:
rb->lcd_stop_scroll();
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, 6*8, LCD_WIDTH, LCD_HEIGHT);
rb->lcd_set_drawmode(DRMODE_SOLID);
saved = save
(
mp3,
part1_save?part1_name:NULL,
part2_save?part2_name:NULL,
splittime
);
/* if something failed the user may go on choosing */
if (saved >= 0)
{
exit_request = true;
}
break;
}
break;
#ifdef SPLITEDIT_RC_QUIT
case SPLITEDIT_RC_QUIT:
#endif
case SPLITEDIT_QUIT:
exit_request = true;
break;
default:
if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
{
splitedit_exit_code = PLUGIN_USB_CONNECTED;
exit_request = true;
}
break;
}
}
}
/**
* The main loop of the editor
*/
unsigned long splitedit_editor(struct mp3entry * mp3_to_split,
unsigned int split_time,
unsigned int range)
{
int button = BUTTON_NONE;
int lastbutton = BUTTON_NONE;
struct mp3entry *mp3 = mp3_to_split;
unsigned int last_elapsed = 0;
int lastx = OSCI_X + (OSCI_WIDTH / 2);
int retval = -1;
if (mp3 != NULL)
{
/*unsigned short scheme = SCHEME_SPLIT_EDITOR;*/
bool exit_request = false;
set_range_by_time(mp3, split_time, range);
splitedit_set_loop_mode(LOOP_MODE_ALL);
update_icons();
/*while (scheme != SCHEME_RETURN) {*/
while (!exit_request)
{
unsigned int elapsed ;
int x ;
/* get position */
elapsed = mp3->elapsed;
x = time_to_xpos(elapsed);
/* are we still in the zoomed range? */
if (elapsed > play_start && elapsed < play_end)
{
/* read volume info */
unsigned short volume;
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
volume = rb->mas_codec_readreg(0x0c);
volume += rb->mas_codec_readreg(0x0d);
volume = volume / 2;
volume = rb->peak_meter_scale_value(volume, OSCI_HEIGHT);
#else
volume = OSCI_HEIGHT / 2;
#endif
/* update osci_buffer */
if (osci_valid || lastx == x)
{
int index = x - OSCI_X;
osci_buffer[index] = MAX(osci_buffer[index], volume);
}
else
{
int i;
osci_buffer[x - OSCI_X] = volume;
for (i = lastx + 1; i < x; i++)
{
osci_buffer[i - OSCI_X] = 0;
}
}
/* make room */
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(lastx + 1, OSCI_Y, x - lastx, OSCI_HEIGHT);
rb->lcd_set_drawmode(DRMODE_SOLID);
/* draw a value */
if (osci_buffer[x - OSCI_X] > 0)
{
int i;
for (i = lastx +1; i <= x; i++)
{
rb->lcd_vline
(
i, OSCI_Y + OSCI_HEIGHT - 1,
OSCI_Y + OSCI_HEIGHT - osci_buffer[i - OSCI_X]-1
);
}
}
/* mark the current position */
if (lastx != x)
{
rb->lcd_set_drawmode(DRMODE_COMPLEMENT);
rb->lcd_fillrect(lastx, OSCI_Y, 1, OSCI_HEIGHT);
rb->lcd_fillrect(x, OSCI_Y, 1, OSCI_HEIGHT);
rb->lcd_set_drawmode(DRMODE_SOLID);
}
/* mark the split point */
if ((x > split_x - 2) && (lastx < split_x + 3))
{
if ((lastx < split_x) && (x >= split_x))
{
rb->lcd_set_drawmode(DRMODE_COMPLEMENT);
rb->lcd_fillrect
(
split_x, OSCI_Y + 2,
1, OSCI_HEIGHT - 2
);
rb->lcd_set_drawmode(DRMODE_SOLID);
}
rb->lcd_hline(split_x -2, split_x + 2, OSCI_Y);
rb->lcd_hline(split_x-1, split_x +1,OSCI_Y+1);
}
/* make visible */
if (lastx <= x)
{
rb->lcd_update_rect(lastx, OSCI_Y, x-lastx+1, OSCI_HEIGHT);
}
else
{
rb->lcd_update_rect
(
lastx, OSCI_Y,
OSCI_X + OSCI_WIDTH - lastx, OSCI_HEIGHT
);
rb->lcd_update_rect(0, OSCI_Y, x + 1, OSCI_HEIGHT);
}
lastx = x;
}
/* we're not in the zoom range -> rewind */
else
{
if (elapsed >= play_end)
{
switch (splitedit_get_loop_mode())
{
unsigned int range_width;
case LOOP_MODE_ALL:
case LOOP_MODE_TO:
rb->audio_pause();
rb->audio_ff_rewind(range_start);
#ifdef HAVE_MMC
/* MMC is slow - wait some time to allow track reload to finish */
rb->sleep(HZ/20);
if (mp3->elapsed > play_end) /* reload in progress */
rb->splash(10*HZ, "Wait - reloading");
#endif
rb->audio_resume();
break;
case LOOP_MODE_FROM:
rb->audio_pause();
rb->audio_ff_rewind(xpos_to_time(split_x));
#ifdef HAVE_MMC
/* MMC is slow - wait some time to allow track reload to finish */
rb->sleep(HZ/20);
if (mp3->elapsed > play_end) /* reload in progress */
rb->splash(10*HZ, "Wait - reloading");
#endif
rb->audio_resume();
break;
case LOOP_MODE_FREE:
range_width = range_end - range_start;
set_range_by_time(mp3,
range_end + range_width / 2, range_width);
/* play_end und play_start anpassen */
splitedit_set_loop_mode(LOOP_MODE_FREE);
rb->memset(osci_buffer, 0, sizeof osci_buffer);
update_osci();
rb->lcd_update();
break;
}
}
}
button = rb->button_get(false);
rb->yield();
/* here the evaluation of the key scheme starts.
All functions the user triggers are called from
within execute_scheme */
/* key_scheme_execute(button, &scheme); */
switch (button)
{
case SPLITEDIT_PLAY:
#ifdef SPLITEDIT_PLAY_PRE
if (lastbutton != SPLITEDIT_PLAY_PRE)
break;
#endif
rb->audio_pause();
rb->audio_ff_rewind(xpos_to_time(split_x));
rb->audio_resume();
break;
case BUTTON_UP:
splitedit_zoom_in(mp3);
lastx = time_to_xpos(mp3->elapsed);
break;
case BUTTON_DOWN:
splitedit_zoom_out(mp3);
lastx = time_to_xpos(mp3->elapsed);
break;
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
#ifdef SPLITEDIT_SPEED100
case SPLITEDIT_SPEED150:
rb->sound_set_pitch(1500);
splitedit_invalidate_osci();
break;
case SPLITEDIT_SPEED100:
rb->sound_set_pitch(1000);
splitedit_invalidate_osci();
break;
case SPLITEDIT_SPEED50:
rb->sound_set_pitch(500);
splitedit_invalidate_osci();
break;
#endif
#endif
case BUTTON_LEFT:
case BUTTON_LEFT | BUTTON_REPEAT:
if (splitedit_get_split_x() > OSCI_X + 2)
{
splitedit_set_split_x(splitedit_get_split_x() - 1);
}
else
{
scroll(mp3);
lastx = time_to_xpos(mp3->elapsed);
}
break;
case BUTTON_RIGHT:
case BUTTON_RIGHT | BUTTON_REPEAT:
if (splitedit_get_split_x() < OSCI_X + OSCI_WIDTH-3)
{
splitedit_set_split_x(splitedit_get_split_x() + 1);
}
else
{
scroll(mp3);
lastx = time_to_xpos(mp3->elapsed);
}
break;
case SPLITEDIT_SAVE:
save_editor(mp3, xpos_to_time(split_x));
rb->lcd_clear_display();
update_osci();
update_timebar(mp3);
update_icons();
break;
case SPLITEDIT_LOOP_MODE:
splitedit_set_loop_mode(splitedit_get_loop_mode() + 1);
update_icons();
break;
case SPLITEDIT_SCALE:
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
rb->peak_meter_set_use_dbfs(!rb->peak_meter_get_use_dbfs());
#endif
splitedit_invalidate_osci();
update_icons();
break;
#ifdef SPLITEDIT_RC_QUIT
case SPLITEDIT_RC_QUIT:
#endif
case SPLITEDIT_QUIT:
exit_request = true;
break;
default:
if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
{
splitedit_exit_code = PLUGIN_USB_CONNECTED;
exit_request = true;
}
break;
}
if (button != BUTTON_NONE)
lastbutton = button;
if (validation_start == ~(unsigned int)0)
{
if (elapsed < range_end && elapsed > range_start)
{
validation_start = elapsed;
}
else
{
int endx = time_to_xpos(range_end);
validation_start = xpos_to_time(endx - 2);
}
last_elapsed = elapsed + 1;
}
else
{
if ((last_elapsed <= validation_start) &&
(elapsed > validation_start))
{
osci_valid = true;
}
last_elapsed = elapsed;
}
update_data();
if (mp3 != rb->audio_current_track())
{
struct mp3entry *new_mp3 = rb->audio_current_track();
if (rb->strncasecmp(path_mp3, new_mp3->path,
sizeof (path_mp3)))
{
rb->splash(0, "Abort due to file change");
rb->button_get(true);
rb->button_get(true);
exit_request = true;
}
else
{
mp3 = new_mp3;
rb->audio_pause();
rb->audio_flush_and_reload_tracks();
rb->audio_ff_rewind(range_start);
rb->audio_resume();
}
}
}
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
#ifdef SPLITEDIT_SPEED100
rb->sound_set_pitch(1000); /* make sure to reset pitch */
#endif
#endif
}
return retval;
}
enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
{
struct mp3entry* mp3;
(void)parameter;
rb = api;
rb->lcd_clear_display();
rb->lcd_update();
mp3 = rb->audio_current_track();
if (mp3 != NULL)
{
if (rb->audio_status() & AUDIO_STATUS_PAUSE)
{
rb->audio_resume();
}
splitedit_editor(mp3, mp3->elapsed, MIN_RANGE_SIZE * 8);
}
else
{
rb->splash(0, "Play or pause a mp3 file first.");
rb->button_get(true);
rb->button_get(true);
}
return splitedit_exit_code;
}
#endif
#endif
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