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rockbox/apps/plugin.h
Linus Nielsen Feltzing ef73c2ed36 Even more correct conditions for mpeg_get_last_header() 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6343 a1c6a512-1295-4272-9138-f99709370657
2005-04-25 08:59:19 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Björn Stenberg
*
* 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.
*
****************************************************************************/
#ifndef _PLUGIN_H_
#define _PLUGIN_H_
/* instruct simulator code to not redefine any symbols when compiling plugins.
(the PLUGIN macro is defined in apps/plugins/Makefile) */
#ifdef PLUGIN
#define NO_REDEFINES_PLEASE
#endif
#ifndef MEM
#define MEM 2
#endif
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include "config.h"
#include "dir.h"
#include "kernel.h"
#include "button.h"
#include "font.h"
#include "system.h"
#include "lcd.h"
#include "id3.h"
#include "mpeg.h"
#include "audio.h"
#include "mp3_playback.h"
#if (HWCODEC == MASNONE)
#include "pcm_playback.h"
#endif
#include "settings.h"
#include "thread.h"
#include "playlist.h"
#ifdef HAVE_LCD_BITMAP
#include "widgets.h"
#endif
#include "sound.h"
#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif
#ifdef PLUGIN
#if defined(DEBUG) || defined(SIMULATOR)
#undef DEBUGF
#define DEBUGF rb->debugf
#undef LDEBUGF
#define LDEBUGF rb->debugf
#else
#define DEBUGF(...)
#define LDEBUGF(...)
#endif
#endif
#ifdef SIMULATOR
#define PREFIX(_x_) sim_ ## _x_
#else
#define PREFIX(_x_) _x_
#endif
/* increase this every time the api struct changes */
#define PLUGIN_API_VERSION 38
/* 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 32
/* plugin return codes */
enum plugin_status {
PLUGIN_OK = 0,
PLUGIN_USB_CONNECTED,
PLUGIN_WRONG_API_VERSION = -1,
PLUGIN_WRONG_MODEL = -2,
PLUGIN_ERROR = -3,
};
/* different (incompatible) plugin models */
enum model {
PLAYER,
RECORDER
};
#ifdef HAVE_LCD_CHARCELLS
#define MODEL PLAYER
#else
#define MODEL RECORDER
#endif
/* compatibility test macro */
#define TEST_PLUGIN_API(_api_) \
do { \
int _rc_ = _api_->plugin_test(PLUGIN_API_VERSION, MODEL, MEM); \
if (_rc_<0) \
return _rc_; \
} while(0)
/* NOTE: To support backwards compatibility, only add new functions at
the end of the structure. Every time you add a new function,
remember to increase PLUGIN_API_VERSION. If you make changes to the
existing APIs then also update PLUGIN_MIN_API_VERSION to current
version
*/
struct plugin_api {
/* these two fields must always be first, to ensure
TEST_PLUGIN_API will always work */
int version;
int (*plugin_test)(int api_version, int model, int memsize);
/* lcd */
void (*lcd_clear_display)(void);
void (*lcd_puts)(int x, int y, const unsigned char *string);
void (*lcd_puts_scroll)(int x, int y, const unsigned char* string);
void (*lcd_stop_scroll)(void);
void (*lcd_set_contrast)(int x);
#ifdef HAVE_LCD_CHARCELLS
void (*lcd_define_pattern)(int which,const char *pattern);
unsigned char (*lcd_get_locked_pattern)(void);
void (*lcd_unlock_pattern)(unsigned char pat);
void (*lcd_putc)(int x, int y, unsigned short ch);
void (*lcd_put_cursor)(int x, int y, char cursor_char);
void (*lcd_remove_cursor)(void);
void (*PREFIX(lcd_icon))(int icon, bool enable);
#else
void (*lcd_putsxy)(int x, int y, const unsigned char *string);
void (*lcd_puts_style)(int x, int y, const unsigned char *str, int style);
void (*lcd_puts_scroll_style)(int x, int y, const unsigned char* string,
int style);
void (*lcd_bitmap)(const unsigned char *src, int x, int y,
int nx, int ny, bool clear);
void (*lcd_drawline)(int x1, int y1, int x2, int y2);
void (*lcd_clearline)(int x1, int y1, int x2, int y2);
void (*lcd_drawpixel)(int x, int y);
void (*lcd_clearpixel)(int x, int y);
void (*lcd_setfont)(int font);
struct font* (*font_get)(int font);
void (*lcd_clearrect)(int x, int y, int nx, int ny);
void (*lcd_fillrect)(int x, int y, int nx, int ny);
void (*lcd_drawrect)(int x, int y, int nx, int ny);
void (*lcd_invertrect)(int x, int y, int nx, int ny);
int (*lcd_getstringsize)(const unsigned char *str, int *w, int *h);
void (*lcd_update)(void);
void (*lcd_update_rect)(int x, int y, int width, int height);
void (*scrollbar)(int x, int y, int width, int height, int items,
int min_shown, int max_shown, int orientation);
void (*checkbox)(int x, int y, int width, int height, bool checked);
unsigned char* lcd_framebuffer;
void (*lcd_blit) (const unsigned char* p_data, int x, int y, int width,
int height, int stride);
#ifndef SIMULATOR
void (*lcd_roll)(int pixels);
#endif
#endif
void (*backlight_on)(void);
void (*backlight_off)(void);
void (*backlight_set_timeout)(int index);
void (*splash)(int ticks, bool center, const char *fmt, ...);
#ifdef HAVE_REMOTE_LCD
void (*remote_clear_display)(void);
void (*remote_backlight_on)(void);
void (*remote_backlight_off)(void);
void (*remote_set_contrast)(int val);
void (*remote_update)(void);
void (*remote_bitmap) (const unsigned char *src, int x, int y,
int nx, int ny, bool clear);
unsigned char* lcd_remote_framebuffer;
#endif
/* button */
long (*button_get)(bool block);
long (*button_get_w_tmo)(int ticks);
int (*button_status)(void);
void (*button_clear_queue)(void);
/* file */
int (*PREFIX(open))(const char* pathname, int flags);
int (*close)(int fd);
ssize_t (*read)(int fd, void* buf, size_t count);
off_t (*PREFIX(lseek))(int fd, off_t offset, int whence);
int (*PREFIX(creat))(const char *pathname, mode_t mode);
ssize_t (*write)(int fd, const void* buf, size_t count);
int (*PREFIX(remove))(const char* pathname);
int (*PREFIX(rename))(const char* path, const char* newname);
int (*PREFIX(ftruncate))(int fd, off_t length);
off_t (*PREFIX(filesize))(int fd);
int (*fdprintf)(int fd, const char *fmt, ...);
int (*read_line)(int fd, char* buffer, int buffer_size);
bool (*settings_parseline)(char* line, char** name, char** value);
#ifndef SIMULATOR
int (*ata_sleep)(void);
#endif
/* dir */
DIR* (*PREFIX(opendir))(const char* name);
int (*PREFIX(closedir))(DIR* dir);
struct dirent* (*PREFIX(readdir))(DIR* dir);
/* kernel/ system */
void (*PREFIX(sleep))(int ticks);
void (*yield)(void);
long* current_tick;
long (*default_event_handler)(long event);
long (*default_event_handler_ex)(long event, void (*callback)(void *), void *parameter);
int (*create_thread)(void* function, void* stack, int stack_size, const char *name);
void (*remove_thread)(int threadnum);
void (*reset_poweroff_timer)(void);
#ifndef SIMULATOR
int (*system_memory_guard)(int newmode);
#endif
/* strings and memory */
int (*snprintf)(char *buf, size_t size, const char *fmt, ...);
char* (*strcpy)(char *dst, const char *src);
char* (*strncpy)(char *dst, const char *src, size_t length);
size_t (*strlen)(const char *str);
char * (*strrchr)(const char *s, int c);
int (*strcmp)(const char *, const char *);
int (*strcasecmp)(const char *, const char *);
int (*strncasecmp)(const char *s1, const char *s2, size_t n);
void* (*memset)(void *dst, int c, size_t length);
void* (*memcpy)(void *out, const void *in, size_t n);
const char *_ctype_;
int (*atoi)(const char *str);
char *(*strchr)(const char *s, int c);
char *(*strcat)(char *s1, const char *s2);
int (*memcmp)(const void *s1, const void *s2, size_t n);
/* sound */
void (*sound_set)(int setting, int value);
#ifndef SIMULATOR
void (*mp3_play_data)(const unsigned char* start, int size, void (*get_more)(unsigned char** start, int* size));
void (*mp3_play_pause)(bool play);
void (*mp3_play_stop)(void);
bool (*mp3_is_playing)(void);
void (*bitswap)(unsigned char *data, int length);
#endif
/* playback control */
void (*PREFIX(audio_play))(int offset);
void (*audio_stop)(void);
void (*audio_pause)(void);
void (*audio_resume)(void);
void (*audio_next)(void);
void (*audio_prev)(void);
void (*audio_ff_rewind)(int newtime);
struct mp3entry* (*audio_next_track)(void);
int (*playlist_amount)(void);
int (*audio_status)(void);
bool (*audio_has_changed_track)(void);
struct mp3entry* (*audio_current_track)(void);
void (*audio_flush_and_reload_tracks)(void);
int (*audio_get_file_pos)(void);
#if !defined(SIMULATOR) && (CONFIG_HWCODEC != MASNONE)
unsigned long (*mpeg_get_last_header)(void);
#endif
#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
void (*sound_set_pitch)(int pitch);
#endif
/* MAS communication */
#if !defined(SIMULATOR) && (CONFIG_HWCODEC != MASNONE)
int (*mas_readmem)(int bank, int addr, unsigned long* dest, int len);
int (*mas_writemem)(int bank, int addr, const unsigned long* src, int len);
int (*mas_readreg)(int reg);
int (*mas_writereg)(int reg, unsigned int val);
#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
int (*mas_codec_writereg)(int reg, unsigned int val);
int (*mas_codec_readreg)(int reg);
#endif
#endif
/* misc */
void (*srand)(unsigned int seed);
int (*rand)(void);
void (*qsort)(void *base, size_t nmemb, size_t size,
int(*compar)(const void *, const void *));
int (*kbd_input)(char* buffer, int buflen);
struct tm* (*get_time)(void);
int (*set_time)(const struct tm *tm);
void* (*plugin_get_buffer)(int* buffer_size);
void* (*plugin_get_audio_buffer)(int* buffer_size);
#ifndef SIMULATOR
int (*plugin_register_timer)(int cycles, int prio, void (*timer_callback)(void));
void (*plugin_unregister_timer)(void);
#endif
void (*plugin_tsr)(void (*exit_callback)(void));
#if defined(DEBUG) || defined(SIMULATOR)
void (*debugf)(const char *fmt, ...);
#endif
struct user_settings* global_settings;
bool (*mp3info)(struct mp3entry *entry, const char *filename, bool v1first);
int (*count_mp3_frames)(int fd, int startpos, int filesize,
void (*progressfunc)(int));
int (*create_xing_header)(int fd, int startpos, int filesize,
unsigned char *buf, int num_frames,
unsigned long header_template,
void (*progressfunc)(int), bool generate_toc);
unsigned long (*find_next_frame)(int fd, long *offset,
long max_offset, unsigned long last_header);
int (*battery_level)(void);
bool (*battery_level_safe)(void);
#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
unsigned short (*peak_meter_scale_value)(unsigned short val,
int meterwidth);
void (*peak_meter_set_use_dbfs)(int use);
int (*peak_meter_get_use_dbfs)(void);
#endif
/* new stuff at the end, sort into place next time
the API gets incompatible */
#ifndef SIMULATOR
long *cpu_frequency;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
void (*cpu_boost)(bool on_off);
#endif
#endif
int (*PREFIX(mkdir))(const char *name, int mode);
#if CONFIG_KEYPAD == IRIVER_H100_PAD
bool (*button_hold)(void);
#endif
#if (CONFIG_HWCODEC == MASNONE) && !defined(SIMULATOR)
void (*pcm_play_data)(const unsigned char *start, int size,
void (*get_more)(unsigned char** start, long*size));
void (*pcm_play_stop)(void);
void (*pcm_set_frequency)(unsigned int frequency);
bool (*pcm_is_playing)(void);
void (*pcm_set_volume)(int volume);
void (*pcm_play_pause)(bool play);
#endif
#ifdef HAVE_LCD_BITMAP
int (*read_bmp_file)(char* filename, int *get_width, int *get_height,
char *bitmap, int maxsize);
#endif
};
/* defined by the plugin loader (plugin.c) */
int plugin_load(const char* plugin, void* parameter);
void* plugin_get_buffer(int *buffer_size);
void* plugin_get_audio_buffer(int *buffer_size);
int plugin_register_timer(int cycles, int prio, void (*timer_callback)(void));
void plugin_unregister_timer(void);
void plugin_tsr(void (*exit_callback)(void));
/* defined by the plugin */
enum plugin_status plugin_start(struct plugin_api* rockbox, void* parameter)
__attribute__ ((section (".entry")));
#endif
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