Nate Nystrom's FF/RW min speed patch

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2161 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Eric Linenberg 2002-09-04 03:38:37 +00:00
parent 1be02f6c63
commit 7eb27113c5
4 changed files with 82 additions and 86 deletions

View file

@ -68,7 +68,7 @@ offset abs
0x0d 0x21 <resume settings byte>
0x0e 0x22 <shuffle,mp3filter,sort_case,discharge,statusbar,show_hidden>
0x0f 0x23 <scroll speed>
0x10 0x24 <ff/rewind accleration rate>
0x10 0x24 <ff/rewind min step, acceleration rate>
0x11 0x25 <AVC byte>
0x12 0x26 <(int) Resume playlist index, or -1 if no playlist resume>
0x16 0x2a <(int) Byte offset into resume file>
@ -269,7 +269,9 @@ int settings_save( void )
config_block[0xf] = (unsigned char)(global_settings.scroll_speed << 3);
config_block[0x10] = (unsigned char)global_settings.ff_rewind_accel;
config_block[0x10] = (unsigned char)
((global_settings.ff_rewind_min_step & 15) << 4 |
(global_settings.ff_rewind_accel & 15));
config_block[0x11] = (unsigned char)global_settings.avc;
config_block[0x1a] = (unsigned char)global_settings.disk_spindown;
@ -358,8 +360,10 @@ void settings_load(void)
if (c != 31)
global_settings.scroll_speed = c;
if (config_block[0x10] != 0xFF)
global_settings.ff_rewind_accel = config_block[0x10];
if (config_block[0x10] != 0xFF) {
global_settings.ff_rewind_min_step = (config_block[0x10] >> 4) & 15;
global_settings.ff_rewind_accel = config_block[0x10] & 15;
}
if (config_block[0x11] != 0xFF)
global_settings.avc = config_block[0x11];
@ -418,6 +422,7 @@ void settings_reset(void) {
global_settings.total_uptime = 0;
global_settings.scroll_speed = 8;
global_settings.show_hidden_files = false;
global_settings.ff_rewind_min_step = DEFAULT_FF_REWIND_MIN_STEP;
global_settings.ff_rewind_accel = DEFAULT_FF_REWIND_ACCEL_SETTING;
global_settings.resume_index = -1;
global_settings.resume_offset = -1;

View file

@ -31,6 +31,21 @@
#define RESUME_ASK 1
#define RESUME_ON 2
#define FF_REWIND_1000 0
#define FF_REWIND_2000 1
#define FF_REWIND_3000 2
#define FF_REWIND_4000 3
#define FF_REWIND_5000 4
#define FF_REWIND_6000 5
#define FF_REWIND_8000 6
#define FF_REWIND_10000 7
#define FF_REWIND_15000 8
#define FF_REWIND_20000 9
#define FF_REWIND_25000 10
#define FF_REWIND_30000 11
#define FF_REWIND_45000 12
#define FF_REWIND_60000 13
struct user_settings
{
/* audio settings */
@ -65,6 +80,7 @@ struct user_settings
bool sort_case; /* dir sort order: 0=case insensitive, 1=sensitive */
int scroll_speed; /* long texts scrolling speed: 1-20 */
bool playlist_shuffle;
int ff_rewind_min_step; /* FF/Rewind minimum step size */
int ff_rewind_accel; /* FF/Rewind acceleration (in seconds per doubling) */
int disk_spindown; /* time until disk spindown, in seconds (0=off) */
@ -118,6 +134,7 @@ extern char rockboxdir[];
#define MIN_CONTRAST_SETTING 5
#define DEFAULT_POWEROFF_SETTING 0
#define DEFAULT_BACKLIGHT_SETTING 5
#define DEFAULT_FF_REWIND_MIN_STEP FF_REWIND_1000
#define DEFAULT_FF_REWIND_ACCEL_SETTING 3
#endif /* __SETTINGS_H__ */

View file

@ -154,6 +154,17 @@ static Menu spindown(void)
return MENU_OK;
}
static Menu ff_rewind_min_step(void)
{
char* names[] = { "1s ", "2s ", "3s ", "4s ",
"5s ", "6s ", "8s ", "10s",
"15s", "20s", "25s", "30s",
"45s", "60s" };
set_option("[FF/rewind min step]", &global_settings.ff_rewind_min_step,
names, 14 );
return MENU_OK;
}
static Menu ff_rewind_accel(void)
{
char* names[] = { "off ", "2x/1s ", "2x/2s ", "2x/3s ",
@ -186,6 +197,7 @@ Menu settings_menu(void)
{ "Time/Date", timedate_set },
#endif
{ "Show hidden files", show_hidden_files },
{ "FF/Rewind", ff_rewind_min_step },
{ "FF/Rewind Accel", ff_rewind_accel },
{ "Resume", resume },
{ "Disk spindown", spindown },

View file

@ -44,7 +44,6 @@
#include "ajf.h"
#endif
#define FF_REWIND_MIN_STEP 1000 /* minimum ff/rewind step is 1 second */
#define FF_REWIND_MAX_PERCENT 3 /* cap ff/rewind step size at max % of file */
/* 3% of 30min file == 54s step size */
@ -288,73 +287,37 @@ int player_id3_show(void)
static bool ffwd_rew(int button)
{
unsigned int ff_rewind_step = 0; /* current rewind step size */
unsigned int ff_rewind_max_step = 0; /* max rewind step size */
int ff_rewind_count = 0;
long ff_rewind_accel_tick = 0; /* next time to bump ff/rewind step size */
static int ff_rew_steps[] = {
1000, 2000, 3000, 4000,
5000, 6000, 8000, 10000,
15000, 20000, 25000, 30000,
45000, 60000
};
unsigned int step = 0; /* current ff/rewind step */
unsigned int max_step = 0; /* maximum ff/rewind step */
int ff_rewind_count = 0; /* current ff/rewind count (in ticks) */
int direction = 1; /* forward=1 or backward=-1 */
long accel_tick = 0; /* next time at which to bump the step size */
bool exit = false;
bool usb = false;
while (!exit) {
switch ( button ) {
case BUTTON_LEFT | BUTTON_REPEAT:
if (ff_rewind)
{
ff_rewind_count -= ff_rewind_step;
if (global_settings.ff_rewind_accel != 0 &&
current_tick >= ff_rewind_accel_tick)
{
ff_rewind_step *= 2;
if (ff_rewind_step > ff_rewind_max_step)
ff_rewind_step = ff_rewind_max_step;
ff_rewind_accel_tick = current_tick +
global_settings.ff_rewind_accel*HZ;
}
}
else
{
if ( mpeg_is_playing() && id3 && id3->length )
{
if (!paused)
mpeg_pause();
#ifdef HAVE_PLAYER_KEYPAD
lcd_stop_scroll();
#endif
status_set_playmode(STATUS_FASTBACKWARD);
ff_rewind = true;
ff_rewind_max_step =
id3->length * FF_REWIND_MAX_PERCENT / 100;
ff_rewind_step = FF_REWIND_MIN_STEP;
if (ff_rewind_step > ff_rewind_max_step)
ff_rewind_step = ff_rewind_max_step;
ff_rewind_count = -ff_rewind_step;
ff_rewind_accel_tick = current_tick +
global_settings.ff_rewind_accel*HZ;
}
else
break;
}
if ((int)(id3->elapsed + ff_rewind_count) < 0)
ff_rewind_count = -id3->elapsed;
if(wps_time_countup == false)
wps_refresh(id3, -ff_rewind_count, false);
else
wps_refresh(id3, ff_rewind_count, false);
break;
case BUTTON_RIGHT | BUTTON_REPEAT:
if (ff_rewind)
{
ff_rewind_count += ff_rewind_step;
ff_rewind_count += step * direction;
if (global_settings.ff_rewind_accel != 0 &&
current_tick >= ff_rewind_accel_tick)
current_tick >= accel_tick)
{
ff_rewind_step *= 2;
if (ff_rewind_step > ff_rewind_max_step)
ff_rewind_step = ff_rewind_max_step;
ff_rewind_accel_tick = current_tick +
step *= 2;
if (step > max_step)
step = max_step;
accel_tick = current_tick +
global_settings.ff_rewind_accel*HZ;
}
}
@ -367,49 +330,48 @@ static bool ffwd_rew(int button)
#ifdef HAVE_PLAYER_KEYPAD
lcd_stop_scroll();
#endif
direction = (button & BUTTON_RIGHT) ? 1 : -1;
if (direction > 0)
status_set_playmode(STATUS_FASTFORWARD);
else
status_set_playmode(STATUS_FASTBACKWARD);
ff_rewind = true;
ff_rewind_max_step =
id3->length * FF_REWIND_MAX_PERCENT / 100;
ff_rewind_step = FF_REWIND_MIN_STEP;
if (ff_rewind_step > ff_rewind_max_step)
ff_rewind_step = ff_rewind_max_step;
ff_rewind_count = ff_rewind_step;
ff_rewind_accel_tick = current_tick +
step = ff_rew_steps[global_settings.ff_rewind_min_step];
max_step = id3->length * FF_REWIND_MAX_PERCENT / 100;
if (step > max_step)
step = max_step;
ff_rewind_count = step * direction;
accel_tick = current_tick +
global_settings.ff_rewind_accel*HZ;
}
else
break;
}
if (direction > 0) {
if ((id3->elapsed + ff_rewind_count) > id3->length)
ff_rewind_count = id3->length - id3->elapsed;
}
else {
if ((int)(id3->elapsed + ff_rewind_count) < 0)
ff_rewind_count = -id3->elapsed;
}
if(wps_time_countup == false)
wps_refresh(id3, -ff_rewind_count, false);
else
wps_refresh(id3, ff_rewind_count, false);
break;
case BUTTON_LEFT | BUTTON_REL:
/* rewind */
mpeg_ff_rewind(ff_rewind_count);
ff_rewind_count = 0;
ff_rewind = false;
if (paused)
status_set_playmode(STATUS_PAUSE);
else {
mpeg_resume();
status_set_playmode(STATUS_PLAY);
}
#ifdef HAVE_LCD_CHARCELLS
wps_display(id3);
#endif
exit = true;
break;
case BUTTON_RIGHT | BUTTON_REL:
/* fast forward */
mpeg_ff_rewind(ff_rewind_count);
ff_rewind_count = 0;
ff_rewind = false;