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Move FPS display out of video_out_rockbox.c and into mpegplayer.c. Also add frame-rate limiting and frame-skipping (skipping display only, not decoding) to try and achieve real-time playback. Frame-rate limiting and frame skipping (and FPS display) are enabled via options in a new menu and are currently all off by default.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10669 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2006-08-20 23:12:56 +00:00
parent 18cfe431d7
commit c8e69dfb71
5 changed files with 279 additions and 32 deletions
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118
apps/plugins/mpegplayer/mpeg_settings.c Normal file
View file

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#include "plugin.h"
#include "lib/configfile.h"
#include "mpeg_settings.h"
extern struct plugin_api* rb;
struct mpeg_settings settings;
static struct mpeg_settings old_settings;
#define SETTINGS_VERSION 1
#define SETTINGS_MIN_VERSION 1
#define SETTINGS_FILENAME "mpegplayer.cfg"
static char* showfps_options[] = {"No", "Yes"};
static char* limitfps_options[] = {"No", "Yes"};
static char* skipframes_options[] = {"No", "Yes"};
static struct configdata config[] =
{
{TYPE_ENUM, 0, 2, &settings.showfps, "Show FPS", showfps_options, NULL},
{TYPE_ENUM, 0, 2, &settings.limitfps, "Limit FPS", limitfps_options, NULL},
{TYPE_ENUM, 0, 2, &settings.skipframes, "Skip frames", skipframes_options, NULL},
};
bool mpeg_menu(void)
{
int m;
int result;
int menu_quit=0;
static const struct opt_items noyes[2] = {
{ "No", -1 },
{ "Yes", -1 },
};
static const struct menu_item items[] = {
{ "Display FPS", NULL },
{ "Limit FPS", NULL },
{ "Skip frames", NULL },
{ "Quit mpegplayer", NULL },
};
m = rb->menu_init(items, sizeof(items) / sizeof(*items),
NULL, NULL, NULL, NULL);
rb->button_clear_queue();
while (!menu_quit) {
result=rb->menu_show(m);
switch(result)
{
case 0: /* Show FPS */
rb->set_option("Display FPS",&settings.showfps,INT,
noyes, 2, NULL);
break;
case 1: /* Limit FPS */
rb->set_option("Limit FPS",&settings.limitfps,INT,
noyes, 2, NULL);
break;
case 2: /* Skip frames */
rb->set_option("Skip frames",&settings.skipframes,INT,
noyes, 2, NULL);
break;
default:
menu_quit=1;
break;
}
}
rb->menu_exit(m);
rb->lcd_clear_display();
rb->lcd_update();
return (result==3);
}
void init_settings(void)
{
/* Set the default settings */
settings.showfps = 0; /* Do not show FPS */
settings.limitfps = 0; /* Do not limit FPS */
settings.skipframes = 0; /* Do not skip frames */
configfile_init(rb);
if (configfile_load(SETTINGS_FILENAME, config,
sizeof(config)/sizeof(*config),
SETTINGS_MIN_VERSION
) < 0)
{
/* If the loading failed, save a new config file (as the disk is
already spinning) */
configfile_save(SETTINGS_FILENAME, config,
sizeof(config)/sizeof(*config),
SETTINGS_VERSION);
}
/* Keep a copy of the saved version of the settings - so we can check if
the settings have changed when we quit */
old_settings = settings;
}
void save_settings(void)
{
/* Save the user settings if they have changed */
if (rb->memcmp(&settings,&old_settings,sizeof(settings))!=0) {
configfile_save(SETTINGS_FILENAME, config,
sizeof(config)/sizeof(*config),
SETTINGS_VERSION);
/* Store the settings in old_settings - to check for future changes */
old_settings = settings;
}
}