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Diffstat (limited to 'apps/plugins/mpegplayer/mpeg_misc.h')
| -rw-r--r-- | apps/plugins/mpegplayer/mpeg_misc.h | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/apps/plugins/mpegplayer/mpeg_misc.h b/apps/plugins/mpegplayer/mpeg_misc.h deleted file mode 100644 index e04db0e19d..0000000000 --- a/apps/plugins/mpegplayer/mpeg_misc.h +++ /dev/null @@ -1,258 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Miscellaneous helper API declarations - * - * Copyright (c) 2007 Michael Sevakis - * - * 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. - * - ****************************************************************************/ -#ifndef MPEG_MISC_H -#define MPEG_MISC_H - -/* Miscellaneous helpers */ -#ifndef ALIGNED_ATTR -#define ALIGNED_ATTR(x) __attribute__((aligned(x))) -#endif - -#include "disk_buf.h" - -/* Generic states for when things are too simple to care about naming them */ -enum state_enum -{ - STATE0 = 0, - STATE1, - STATE2, - STATE3, - STATE4, - STATE5, - STATE6, - STATE7, - STATE8, - STATE9, -}; - -/* Macros for comparing memory bytes to a series of constant bytes in an - efficient manner - evaluate to true if corresponding bytes match */ -#if defined (CPU_ARM) -/* ARM must load 32-bit values at addres % 4 == 0 offsets but this data - isn't aligned nescessarily, so just byte compare */ -#define CMP_3_CONST(_a, _b) \ - ({ int _x; \ - asm volatile ( \ - "ldrb %[x], [%[a], #0] \n" \ - "eors %[x], %[x], %[b0] \n" \ - "ldreqb %[x], [%[a], #1] \n" \ - "eoreqs %[x], %[x], %[b1] \n" \ - "ldreqb %[x], [%[a], #2] \n" \ - "eoreqs %[x], %[x], %[b2] \n" \ - : [x]"=&r"(_x) \ - : [a]"r"(_a), \ - [b0]"i"(((_b) >> 24) & 0xff), \ - [b1]"i"(((_b) >> 16) & 0xff), \ - [b2]"i"(((_b) >> 8) & 0xff) \ - ); \ - _x == 0; }) - -#define CMP_4_CONST(_a, _b) \ - ({ int _x; \ - asm volatile ( \ - "ldrb %[x], [%[a], #0] \n" \ - "eors %[x], %[x], %[b0] \n" \ - "ldreqb %[x], [%[a], #1] \n" \ - "eoreqs %[x], %[x], %[b1] \n" \ - "ldreqb %[x], [%[a], #2] \n" \ - "eoreqs %[x], %[x], %[b2] \n" \ - "ldreqb %[x], [%[a], #3] \n" \ - "eoreqs %[x], %[x], %[b3] \n" \ - : [x]"=&r"(_x) \ - : [a]"r"(_a), \ - [b0]"i"(((_b) >> 24) & 0xff), \ - [b1]"i"(((_b) >> 16) & 0xff), \ - [b2]"i"(((_b) >> 8) & 0xff), \ - [b3]"i"(((_b) ) & 0xff) \ - ); \ - _x == 0; }) - -#elif defined (CPU_COLDFIRE) -/* Coldfire can just load a 32 bit value at any offset but ASM is not the - best way to integrate this with the C code */ -#define CMP_3_CONST(a, b) \ - (((*(uint32_t *)(a) >> 8) == ((uint32_t)(b) >> 8))) - -#define CMP_4_CONST(a, b) \ - ((*(uint32_t *)(a) == (b))) - -#else -/* Don't know what this is - use bytewise comparisons */ -#define CMP_3_CONST(a, b) \ - (( ((a)[0] ^ (((b) >> 24) & 0xff)) | \ - ((a)[1] ^ (((b) >> 16) & 0xff)) | \ - ((a)[2] ^ (((b) >> 8) & 0xff)) ) == 0) - -#define CMP_4_CONST(a, b) \ - (( ((a)[0] ^ (((b) >> 24) & 0xff)) | \ - ((a)[1] ^ (((b) >> 16) & 0xff)) | \ - ((a)[2] ^ (((b) >> 8) & 0xff)) | \ - ((a)[3] ^ (((b) ) & 0xff)) ) == 0) -#endif /* CPU_* */ - - -/** Streams **/ - -/* Convert PTS/DTS ticks to our clock ticks */ -#define TS_TO_TICKS(pts) ((uint64_t)CLOCK_RATE*(pts) / TS_SECOND) -/* Convert our clock ticks to PTS/DTS ticks */ -#define TICKS_TO_TS(ts) ((uint64_t)TS_SECOND*(ts) / CLOCK_RATE) -/* Convert timecode ticks to our clock ticks */ -#define TC_TO_TICKS(stamp) ((uint64_t)CLOCK_RATE*(stamp) / TC_SECOND) -/* Convert our clock ticks to timecode ticks */ -#define TICKS_TO_TC(stamp) ((uint64_t)TC_SECOND*(stamp) / CLOCK_RATE) -/* Convert timecode ticks to timestamp ticks */ -#define TC_TO_TS(stamp) ((stamp) / 600) - -/* - * S = start position, E = end position - * - * pos: - * initialize to search start position (S) - * - * len: - * initialize to = ABS(S-E) - * scanning = remaining bytes in scan direction - * - * dir: - * scan direction; >= 0 == forward, < 0 == reverse - * - * margin: - * amount of data to right of cursor - initialize by stream_scan_normalize - * - * data: - * Extra data used/returned by the function implemented - * - * Forward scan: - * S pos E - * | *<-margin->| dir-> - * | |<--len--->| - * - * Reverse scan: - * E pos S - * |<-len->*<-margin->| <-dir - * | | | - */ -struct stream_scan -{ - off_t pos; /* Initial scan position (file offset) */ - ssize_t len; /* Maximum length of scan */ - off_t dir; /* Direction - >= 0; forward, < 0 backward */ - ssize_t margin; /* Used by function to track margin between position and data end */ - intptr_t data; /* */ - struct dbuf_l2_cache l2; -}; - -#define SSCAN_REVERSE (-1) -#define SSCAN_FORWARD 1 - -/* Initializes the cursor */ -void stream_scan_init(struct stream_scan *sk); - -/* Ensures direction is -1 or 1 and margin is properly initialized */ -void stream_scan_normalize(struct stream_scan *sk); - -/* Moves a scan cursor. If amount is positive, the increment is in the scan - * direction, otherwise opposite the scan direction */ -void stream_scan_offset(struct stream_scan *sk, off_t by); - -/** Time helpers **/ -struct hms -{ - unsigned int hrs; - unsigned int min; - unsigned int sec; - unsigned int frac; -}; - -void ts_to_hms(uint32_t ts, struct hms *hms); -void hms_format(char *buf, size_t bufsize, struct hms *hms); - -/** Maths **/ - -/* Moving average */ -#define AVERAGE(var, x, count) \ - ({ typeof (count) _c = (count); \ - ((var) * (_c-1) + (x)) / (_c); }) - -/* Multiply two unsigned 32-bit integers yielding a 64-bit result and - * divide by another unsigned 32-bit integer to yield a 32-bit result. - * Rounds to nearest with saturation. */ -uint32_t muldiv_uint32(uint32_t multiplicand, - uint32_t multiplier, - uint32_t divisor); - - -/** Lists **/ - -/* Does the list have any members? */ -bool list_is_empty(void **list); - -/* Is the item inserted into a particular list? */ -bool list_is_member(void **list, void *item); - -/* Removes an item from a list - returns true if item was found - * and thus removed. */ -bool list_remove_item(void **list, void *item); - -/* Adds a list item, insert last, if not already present. */ -void list_add_item(void **list, void *item); - -/* Clears the entire list. */ -void list_clear_all(void **list); - -/* Enumerate all items in the array. */ -typedef bool (*list_enum_callback_t)(void *item, void* data); - -void list_enum_items(void **list, - list_enum_callback_t callback, - void *data); - - -/** System events **/ - -/* Clear event */ -void mpeg_sysevent_clear(void); - -/* Set to ACTION_STD_CANCEL */ -void mpeg_sysevent_set(void); - -/* Get event code */ -long mpeg_sysevent(void); - -/* Call with a system event code and used as menu callback */ -int mpeg_sysevent_callback(int btn, const struct menu_item_ex *menu, - struct gui_synclist *this_list); - -/* Handle recorded event */ -void mpeg_sysevent_handle(void); - - -/** Buttons **/ - -/* Get button codes while remembering important events for later - * processing; return of ACTION_STD_CANCEL means plugin should - * abort and handle the event */ -int mpeg_button_get(int timeout); - -#endif /* MPEG_MISC_H */ |