From d25d24812e8120c0eb133a412287ac030eb185c9 Mon Sep 17 00:00:00 2001 From: Solomon Peachy Date: Wed, 4 Aug 2021 09:49:56 -0400 Subject: RFC: Get rid of mpegplayer plugin It might have made sense once upon a time, but in today's world... Change-Id: I5d638e6f7a2308c50ab12bd901338f02cf426aae --- apps/plugins/mpegplayer/disk_buf.h | 152 ------------------------------------- 1 file changed, 152 deletions(-) delete mode 100644 apps/plugins/mpegplayer/disk_buf.h (limited to 'apps/plugins/mpegplayer/disk_buf.h') diff --git a/apps/plugins/mpegplayer/disk_buf.h b/apps/plugins/mpegplayer/disk_buf.h deleted file mode 100644 index bc76ab6dc3..0000000000 --- a/apps/plugins/mpegplayer/disk_buf.h +++ /dev/null @@ -1,152 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * AV disk buffer 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 DISK_BUF_H -#define DISK_BUF_H - -#ifndef OFF_T_MAX -#define OFF_T_MAX (~((off_t)1 << (sizeof (off_t)*8 - 1))) -#endif - -#ifndef OFF_T_MIN -#define OFF_T_MIN ((off_t)1 << (sizeof (off_t)*8 - 1)) -#endif - -#define DISK_BUF_PAGE_SHIFT 15 /* 32KB cache lines */ -#define DISK_BUF_PAGE_SIZE (1 << DISK_BUF_PAGE_SHIFT) -#define DISK_BUF_PAGE_MASK (DISK_BUF_PAGE_SIZE-1) - -enum -{ - DISK_BUF_NOTIFY_ERROR = -1, - DISK_BUF_NOTIFY_NULL = 0, - DISK_BUF_NOTIFY_OK, - DISK_BUF_NOTIFY_TIMEDOUT, - DISK_BUF_NOTIFY_PROCESS_EVENT, - DISK_BUF_NOTIFY_REGISTERED, -}; - -/** Macros to map file offsets to cached data **/ - -/* Returns a cache tag given a file offset */ -#define MAP_OFFSET_TO_TAG(o) \ - ((o) >> DISK_BUF_PAGE_SHIFT) - -/* Returns the cache page number given a file offset */ -#define MAP_OFFSET_TO_PAGE(o) \ - (MAP_OFFSET_TO_TAG(o) % disk_buf.pgcount) - -/* Returns the buffer offset given a file offset */ -#define MAP_OFFSET_TO_BUFFER(o) \ - (MAP_OFFSET_TO_PAGE(o) * DISK_BUF_PAGE_SIZE) - -struct dbuf_range -{ - uint32_t tag_start; - uint32_t tag_end; - int pg_start; -}; - -#define DISK_BUF_L2_CACHE_SHIFT 6 -#define DISK_BUF_L2_CACHE_SIZE (1 << DISK_BUF_L2_CACHE_SHIFT) -#define DISK_BUF_L2_CACHE_MASK (DISK_BUF_L2_CACHE_SIZE-1) - -struct dbuf_l2_cache -{ - off_t addr; /* L2 file offset */ - size_t size; /* Real size */ - uint8_t data[DISK_BUF_L2_CACHE_SIZE*2]; /* Local data and guard */ -}; - -void dbuf_l2_init(struct dbuf_l2_cache *l2_p); - -/* This object is an extension of the stream manager and handles some - * playback events as well as buffering */ -struct disk_buf -{ - unsigned int thread; - struct event_queue *q; - uint8_t *start; /* Start pointer */ - uint8_t *end; /* End of buffer pointer less MPEG_GUARDBUF_SIZE. The - guard space is used to wrap data at the buffer start to - pass continuous data packets */ - uint8_t *tail; /* Location of last data + 1 filled into the buffer */ - ssize_t size; /* The buffer length _not_ including the guard space (end-start) */ - int pgcount; /* Total number of available cached pages */ - uint32_t *cache; /* Pointer to cache structure - allocated on buffer */ - int in_file; /* File being read */ - ssize_t filesize; /* Size of file in_file in bytes */ - int file_pages; /* Number of pages in file (rounded up) */ - off_t offset; /* Current position (random access) */ - off_t win_left; /* Left edge of buffer window (streaming) */ - off_t win_right; /* Right edge of buffer window (streaming) */ - uint32_t time_last; /* Last time watermark was checked */ - off_t pos_last; /* Last position at watermark check time */ - ssize_t low_wm; /* The low watermark for automatic rebuffering */ - int status; /* Status as stream */ - int state; /* Current thread state */ - bool need_seek; /* Need to seek because a read was not contiguous */ -}; - -extern struct disk_buf disk_buf SHAREDBSS_ATTR; - -struct stream_hdr; -bool disk_buf_is_data_ready(struct stream_hdr *sh, ssize_t margin); - -bool disk_buf_init(void); -void disk_buf_exit(void); - -static inline int disk_buf_status(void) - { return disk_buf.status; } - -int disk_buf_open(const char *filename); -void disk_buf_close(void); -ssize_t _disk_buf_getbuffer(size_t size, void **pp, void **pwrap, - size_t *sizewrap); -#define disk_buf_getbuffer(size, pp, pwrap, sizewrap) \ - _disk_buf_getbuffer((size), PUN_PTR(void **, (pp)), \ - PUN_PTR(void **, (pwrap)), (sizewrap)) - -ssize_t _disk_buf_getbuffer_l2(struct dbuf_l2_cache *l2, - size_t size, void **pp); -#define disk_buf_getbuffer_l2(l2, size, pp) \ - _disk_buf_getbuffer_l2((l2), (size), PUN_PTR(void **, (pp))) - -ssize_t disk_buf_read(void *buffer, size_t size); -ssize_t disk_buf_lseek(off_t offset, int whence); - -static inline off_t disk_buf_ftell(void) - { return disk_buf.offset; } - -static inline ssize_t disk_buf_filesize(void) - { return disk_buf.filesize; } - -ssize_t disk_buf_prepare_streaming(off_t pos, size_t len); -ssize_t disk_buf_set_streaming_window(off_t left, off_t right); -void * disk_buf_offset2ptr(off_t offset); -int disk_buf_check_streaming_window(off_t left, off_t right); - -intptr_t disk_buf_send_msg(long id, intptr_t data); -void disk_buf_post_msg(long id, intptr_t data); -void disk_buf_reply_msg(intptr_t retval); - -#endif /* DISK_BUF_H */ -- cgit v1.2.3