mirror of
https://github.com/Rockbox/rockbox.git
synced 2025-12-06 21:25:03 -05:00
bbcf210c94
They haven't seen any work since 2013, and likely hasn't compiled in at least a couple of releases -- not that we ever "released" anything for these targets. Futhermore, upstream for both has been effectively dead for about as long, and there's been no user reports of these being used since 2017 (and even then only in passing). It isn't worth the effort to triage their current state, much less uplift into something supportable, while the maintenance burden of keeping these things in-tree can be demonstrated by the diffstat. Change-Id: Id93bd450679d1b75e2c74295b3ae1548cd241b24
299 lines
6.7 KiB
C
299 lines
6.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Björn Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <timefuncs.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include "string-extra.h"
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#include "load_code.h"
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#include "debug.h"
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#include "button.h"
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#include "dir.h"
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#include "file.h"
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#include "kernel.h"
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#include "screens.h"
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#include "misc.h"
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#include "codecs.h"
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#include "lang.h"
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#include "keyboard.h"
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#include "buffering.h"
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#include "backlight.h"
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#include "storage.h"
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#include "talk.h"
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#include "mp3data.h"
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#include "powermgmt.h"
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#include "system.h"
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#include "sound.h"
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#include "splash.h"
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#include "general.h"
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#include "rbpaths.h"
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#define LOGF_ENABLE
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#include "logf.h"
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#if (CONFIG_PLATFORM & PLATFORM_SDL)
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#define PREFIX(_x_) sim_ ## _x_
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#else
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#define PREFIX(_x_) _x_
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#endif
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#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
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/* For PLATFORM_HOSTED this buffer must be define here. */
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static unsigned char codecbuf[CODEC_SIZE];
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#else
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/* For PLATFORM_NATIVE this buffer is defined in *.lds files. */
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extern unsigned char codecbuf[];
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#endif
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static size_t codec_size;
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struct codec_api ci = {
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0, /* filesize */
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0, /* curpos */
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NULL, /* id3 */
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ERR_HANDLE_NOT_FOUND, /* audio_hid */
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NULL, /* struct dsp_config *dsp */
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NULL, /* codec_get_buffer */
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NULL, /* pcmbuf_insert */
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NULL, /* set_elapsed */
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NULL, /* read_filebuf */
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NULL, /* request_buffer */
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NULL, /* advance_buffer */
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NULL, /* seek_buffer */
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NULL, /* seek_complete */
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NULL, /* set_offset */
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NULL, /* configure */
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NULL, /* get_command */
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NULL, /* loop_track */
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NULL, /* strip_filesize */
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/* kernel/ system */
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#if defined(ARM_NEED_DIV0)
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__div0,
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#endif
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sleep,
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yield,
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#if NUM_CORES > 1
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create_thread,
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thread_thaw,
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thread_wait,
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semaphore_init,
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semaphore_wait,
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semaphore_release,
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#endif
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commit_dcache,
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commit_discard_dcache,
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commit_discard_idcache,
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/* strings and memory */
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strcpy,
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strlen,
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strcmp,
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strcat,
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memset,
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memcpy,
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memmove,
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memcmp,
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memchr,
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#if defined(DEBUG) || defined(SIMULATOR)
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debugf,
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#endif
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#ifdef ROCKBOX_HAS_LOGF
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logf,
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#endif
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(void *)qsort,
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#ifdef RB_PROFILE
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profile_thread,
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profstop,
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__cyg_profile_func_enter,
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__cyg_profile_func_exit,
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#endif
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#ifdef HAVE_RECORDING
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NULL, /* enc_pcmbuf_read */
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NULL, /* enc_pcmbuf_advance */
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NULL, /* enc_encbuf_get_buffer */
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NULL, /* enc_encbuf_finish_buffer */
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NULL, /* enc_stream_read */
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NULL, /* enc_stream_lseek */
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NULL, /* enc_stream_write */
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round_value_to_list32,
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#endif /* HAVE_RECORDING */
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/* new stuff at the end, sort into place next time
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the API gets incompatible */
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};
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void codec_get_full_path(char *path, const char *codec_root_fn)
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{
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snprintf(path, MAX_PATH-1, CODECS_DIR "/" CODEC_PREFIX "%s."
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CODEC_EXTENSION, codec_root_fn);
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}
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/* Returns pointer to and size of free codec RAM. Aligns to CACHEALIGN_SIZE. */
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void *codec_get_buffer_callback(size_t *size)
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{
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void *buf = &codecbuf[codec_size];
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ssize_t s = CODEC_SIZE - codec_size;
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if (s <= 0)
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return NULL;
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*size = s;
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ALIGN_BUFFER(buf, *size, CACHEALIGN_SIZE);
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return buf;
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}
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/** codec loading and call interface **/
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static void *curr_handle = NULL;
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static struct codec_header *c_hdr = NULL;
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static int codec_load_ram(struct codec_api *api)
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{
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struct lc_header *hdr;
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c_hdr = lc_get_header(curr_handle);
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hdr = c_hdr ? &c_hdr->lc_hdr : NULL;
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if (hdr == NULL
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|| (hdr->magic != CODEC_MAGIC
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#ifdef HAVE_RECORDING
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&& hdr->magic != CODEC_ENC_MAGIC
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#endif
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)
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|| hdr->target_id != TARGET_ID
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#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
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|| hdr->load_addr != codecbuf
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|| hdr->end_addr > codecbuf + CODEC_SIZE
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#endif
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)
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{
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logf("codec header error");
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lc_close(curr_handle);
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curr_handle = NULL;
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return CODEC_ERROR;
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}
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if (hdr->api_version != CODEC_API_VERSION ||
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c_hdr->api_size > sizeof(struct codec_api))
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{
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logf("codec api version error");
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lc_close(curr_handle);
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curr_handle = NULL;
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return CODEC_ERROR;
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}
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#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
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codec_size = hdr->end_addr - codecbuf;
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#else
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codec_size = 0;
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#endif
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*(c_hdr->api) = api;
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logf("Codec: calling entrypoint");
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return c_hdr->entry_point(CODEC_LOAD);
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}
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int codec_load_buf(int hid, struct codec_api *api)
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{
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int rc = bufread(hid, CODEC_SIZE, codecbuf);
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if (rc < 0) {
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logf("Codec: cannot read buf handle");
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return CODEC_ERROR;
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}
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curr_handle = lc_open_from_mem(codecbuf, rc);
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if (curr_handle == NULL) {
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logf("Codec: load error");
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return CODEC_ERROR;
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}
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return codec_load_ram(api);
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}
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int codec_load_file(const char *plugin, struct codec_api *api)
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{
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char path[MAX_PATH];
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codec_get_full_path(path, plugin);
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curr_handle = lc_open(path, codecbuf, CODEC_SIZE);
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if (curr_handle == NULL) {
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logf("Codec: cannot read file");
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return CODEC_ERROR;
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}
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return codec_load_ram(api);
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}
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int codec_run_proc(void)
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{
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if (curr_handle == NULL) {
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logf("Codec: no codec to run");
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return CODEC_ERROR;
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}
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logf("Codec: entering run state");
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return c_hdr->run_proc();
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}
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int codec_close(void)
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{
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int status = CODEC_OK;
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if (curr_handle != NULL) {
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logf("Codec: cleaning up");
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status = c_hdr->entry_point(CODEC_UNLOAD);
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lc_close(curr_handle);
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curr_handle = NULL;
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}
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return status;
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}
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#ifdef HAVE_RECORDING
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enc_callback_t codec_get_enc_callback(void)
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{
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if (curr_handle == NULL ||
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c_hdr->lc_hdr.magic != CODEC_ENC_MAGIC) {
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logf("Codec: not an encoder");
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return NULL;
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}
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return c_hdr->rec_extension[0];
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}
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#endif /* HAVE_RECORDING */
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