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rockbox/apps/plugins/splitedit.c
Daniel Stenberg 6700ad8f20 adapted to build on iRiver 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5784 a1c6a512-1295-4272-9138-f99709370657
2005-02-04 12:41:09 +00:00

1213 lines
34 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Philipp Pertermann
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* 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
/* 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
#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 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_clearrect(0, 0, LCD_WIDTH, h);
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->scrollbar
(
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_clearrect(0, LCD_HEIGHT - BMPHEIGHT, LCD_WIDTH, BMPHEIGHT);
/* The CUT icon */
rb->lcd_bitmap(CUT_BMP,
LCD_WIDTH / 3 / 2 - BMPWIDTH / 2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT, true);
/* The loop mode icon */
rb->lcd_bitmap(LOOP_BMP[splitedit_get_loop_mode()],
LCD_WIDTH/3 + LCD_WIDTH/3 / 2 - BMPWIDTH/2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT, true);
#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
/* The scale icon */
rb->lcd_bitmap(SCALE_BMP[rb->peak_meter_get_use_dbfs()],
2 *LCD_WIDTH/3 + LCD_WIDTH/3 / 2 - BMPWIDTH/2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT, true);
#else
{
static int idx;
if (idx < 0 || idx > 1) idx = 0;
idx = 1 - idx;
rb->lcd_bitmap(SCALE_BMP[idx],
2 *LCD_WIDTH/3 + LCD_WIDTH/3 / 2 - BMPWIDTH/2, LCD_HEIGHT - BMPHEIGHT,
BMPWIDTH, BMPHEIGHT, true);
}
#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_drawline
(
OSCI_X + x, OSCI_Y + OSCI_HEIGHT - 1,
OSCI_X + x, 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_invertrect (minx, OSCI_Y, 5, 1);
rb->lcd_invertrect (split_x-1 > 0 ? split_x - 1: 0, OSCI_Y + 1, 3, 1);
rb->lcd_invertrect (split_x, OSCI_Y + 2, 1, OSCI_HEIGHT - 2);
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_invertrect (minx, OSCI_Y, 5, 1);
rb->lcd_invertrect (split_x - 1 > 0 ? split_x - 1: 0, OSCI_Y + 1, 3, 1);
rb->lcd_invertrect (split_x, OSCI_Y + 2, 1, OSCI_HEIGHT - 2);
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_clearrect(OSCI_X, OSCI_Y, OSCI_WIDTH, OSCI_HEIGHT);
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_clearrect(OSCI_X, OSCI_Y, OSCI_WIDTH, OSCI_HEIGHT);
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_clearrect(OSCI_X, OSCI_Y, LCD_WIDTH, OSCI_HEIGHT);
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, true, "wrong extension");
rb->button_get(true);
rb->button_get(true);
}
}
else
{
rb->splash(0, true, "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 void copy_file(
int dest,
int src,
unsigned int bytes,
int prg_y,
int prg_h)
{
unsigned char *buffer;
unsigned int i = 0;
ssize_t bytes_read = 1; /* ensure the for loop is executed */
unsigned int 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);
rb->scrollbar(0, prg_y, LCD_WIDTH, prg_h, bytes, 0, i, HORIZONTAL);
rb->lcd_update_rect(0, prg_y, LCD_WIDTH, prg_h);
}
}
/**
* 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, true, "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, true, "File 2 exists. Please rename.");
rb->button_get(true);
rb->button_get(true);
return -2;
}
}
/* find the file position of the split point */
rb->mpeg_pause();
rb->mpeg_ff_rewind(splittime);
rb->yield();
rb->yield();
end = rb->mpeg_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)
{
copy_file(file1, src_file, end, y*2 + 1, y -1);
close_stat = rb->close(file1);
if (close_stat != 0)
{
rb->splash(0, true,
"failed closing file1: error %d", close_stat);
rb->button_get(true);
rb->button_get(true);
}
}
else
{
rb->splash(0, true,
"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, true,
"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;
copy_file(file2, src_file, end, y * 5 + 1, y -1);
close_stat = rb->close(file2);
if (close_stat != 0)
{
rb->splash(0, true,
"failed: closing file2: error %d", close_stat);
rb->button_get(true);
rb->button_get(true);
}
}
else
{
rb->splash(0, true,
"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, true,
"failed: closing src: error %d", close_stat);
rb->button_get(true);
rb->button_get(true);
}
}
else
{
rb->splash(0, true, "Source file not found");
rb->button_get(true);
rb->button_get(true);
retval = -3;
}
rb->mpeg_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_clearrect(0, 6*8, LCD_WIDTH, LCD_HEIGHT);
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;
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_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == 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_clearrect(lastx + 1, OSCI_Y, x - lastx, OSCI_HEIGHT);
/* draw a value */
if (osci_buffer[x - OSCI_X] > 0)
{
int i;
for (i = lastx +1; i <= x; i++)
{
rb->lcd_drawline
(
i, OSCI_Y + OSCI_HEIGHT - 1,
i, OSCI_Y + OSCI_HEIGHT - osci_buffer[i - OSCI_X]-1
);
}
}
/* mark the current position */
if (lastx != x)
{
rb->lcd_invertrect(lastx, OSCI_Y, 1, OSCI_HEIGHT);
rb->lcd_invertrect(x, OSCI_Y, 1, OSCI_HEIGHT);
}
/* mark the split point */
if ((x > split_x - 2) && (lastx < split_x + 3))
{
if ((lastx < split_x) && (x >= split_x))
{
rb->lcd_invertrect
(
split_x, OSCI_Y + 2,
1, OSCI_HEIGHT - 2
);
}
rb->lcd_drawline(split_x -2, OSCI_Y, split_x + 2, OSCI_Y);
rb->lcd_drawline(split_x-1, OSCI_Y+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->mpeg_pause();
rb->mpeg_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, true, "Wait - reloading");
#endif
rb->mpeg_resume();
break;
case LOOP_MODE_FROM:
rb->mpeg_pause();
rb->mpeg_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, true, "Wait - reloading");
#endif
rb->mpeg_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->mpeg_pause();
rb->mpeg_ff_rewind(xpos_to_time(split_x));
rb->mpeg_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_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
#if defined(SPLITEDIT_SPEED150) && defined(SPLITEDIT_SPEED100) && defined(SPLITEDIT_SPEED50)
case SPLITEDIT_SPEED150:
rb->mpeg_set_pitch(1500);
splitedit_invalidate_osci();
break;
case SPLITEDIT_SPEED100:
rb->mpeg_set_pitch(1000);
splitedit_invalidate_osci();
break;
case SPLITEDIT_SPEED50:
rb->mpeg_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_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
rb->peak_meter_set_use_dbfs(rb->peak_meter_get_use_dbfs() +1);
#endif
splitedit_invalidate_osci();
update_icons();
break;
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->mpeg_current_track())
{
struct mp3entry *new_mp3 = rb->mpeg_current_track();
if (rb->strncasecmp(path_mp3, new_mp3->path,
sizeof (path_mp3)))
{
rb->splash(0, true,"Abort due to file change");
rb->button_get(true);
rb->button_get(true);
exit_request = true;
}
else
{
mp3 = new_mp3;
rb->mpeg_pause();
rb->mpeg_flush_and_reload_tracks();
rb->mpeg_ff_rewind(range_start);
rb->mpeg_resume();
}
}
}
}
return retval;
}
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
struct mp3entry* mp3;
(void)parameter;
rb = api;
rb->lcd_clear_display();
rb->lcd_update();
mp3 = rb->mpeg_current_track();
if (mp3 != NULL)
{
if (rb->mpeg_status() & MPEG_STATUS_PAUSE)
{
rb->mpeg_resume();
}
splitedit_editor(mp3, mp3->elapsed, MIN_RANGE_SIZE * 8);
}
else
{
rb->splash(0, true, "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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