296 lines
6.4 KiB
C
296 lines
6.4 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 "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 "mas.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 "mp3_playback.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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#define LOGF_ENABLE
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#include "logf.h"
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#ifdef SIMULATOR
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#define PREFIX(_x_) sim_ ## _x_
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#else
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#define PREFIX
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#endif
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#ifdef SIMULATOR
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#if CONFIG_CODEC == SWCODEC
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unsigned char codecbuf[CODEC_SIZE];
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#endif
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void *sim_codec_load_ram(char* codecptr, int size, void **pd);
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void sim_codec_close(void *pd);
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#else
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#define sim_codec_close(x)
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#endif
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size_t codec_size;
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extern void* plugin_get_audio_buffer(size_t *buffer_size);
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#undef open
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static int open(const char* pathname, int flags, ...)
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{
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#ifdef SIMULATOR
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int fd;
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if (flags & O_CREAT)
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{
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va_list ap;
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va_start(ap, flags);
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fd = sim_open(pathname, flags, va_arg(ap, mode_t));
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va_end(ap);
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}
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else
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fd = sim_open(pathname, flags);
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return fd;
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#else
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return file_open(pathname, flags);
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#endif
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}
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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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NULL, /* taginfo_ready */
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false, /* stop_codec */
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0, /* new_track */
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0, /* seek_time */
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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, /* advance_buffer_loc */
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NULL, /* seek_buffer */
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NULL, /* seek_complete */
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NULL, /* request_next_track */
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NULL, /* discard_codec */
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NULL, /* set_offset */
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NULL, /* configure */
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/* kernel/ system */
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#ifdef CPU_ARM
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__div0,
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#endif
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PREFIX(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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#if NUM_CORES > 1
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cpucache_flush,
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cpucache_invalidate,
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#endif
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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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strcasestr,
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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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(qsort_func)qsort,
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&global_settings,
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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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#if defined(HAVE_RECORDING) && !defined(SIMULATOR)
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false, /* stop_encoder */
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0, /* enc_codec_loaded */
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enc_get_inputs,
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enc_set_parameters,
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enc_get_chunk,
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enc_finish_chunk,
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enc_get_pcm_data,
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enc_unget_pcm_data,
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/* file */
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(open_func)PREFIX(open),
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close,
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(read_func)read,
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PREFIX(lseek),
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(write_func)write,
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round_value_to_list32,
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#endif
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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 "/%s." CODEC_EXTENSION,
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codec_root_fn);
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}
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static int codec_load_ram(int size, struct codec_api *api)
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{
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struct codec_header *hdr;
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int status;
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#ifndef SIMULATOR
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hdr = (struct codec_header *)codecbuf;
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if (size <= (signed)sizeof(struct codec_header)
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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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|| hdr->load_addr != codecbuf
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|| hdr->end_addr > codecbuf + CODEC_SIZE)
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{
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logf("codec header error");
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return CODEC_ERROR;
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}
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codec_size = hdr->end_addr - codecbuf;
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#else /* SIMULATOR */
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void *pd;
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hdr = sim_codec_load_ram(codecbuf, size, &pd);
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if (pd == NULL)
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return CODEC_ERROR;
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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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sim_codec_close(pd);
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return CODEC_ERROR;
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}
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codec_size = codecbuf - codecbuf;
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#endif /* SIMULATOR */
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if (hdr->api_version > CODEC_API_VERSION
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|| hdr->api_version < CODEC_MIN_API_VERSION) {
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sim_codec_close(pd);
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return CODEC_ERROR;
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}
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*(hdr->api) = api;
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cpucache_invalidate();
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status = hdr->entry_point();
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sim_codec_close(pd);
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return status;
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}
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int codec_load_buf(unsigned int hid, struct codec_api *api)
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{
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int rc;
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rc = bufread(hid, CODEC_SIZE, codecbuf);
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if (rc < 0) {
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logf("error loading codec");
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return CODEC_ERROR;
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}
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api->discard_codec();
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return codec_load_ram(rc, 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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int fd;
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int rc;
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codec_get_full_path(path, plugin);
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fd = open(path, O_RDONLY);
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if (fd < 0) {
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logf("Codec load error:%d", fd);
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splashf(HZ*2, "Couldn't load codec: %s", path);
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return fd;
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}
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rc = read(fd, &codecbuf[0], CODEC_SIZE);
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close(fd);
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if (rc <= 0) {
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logf("Codec read error");
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return CODEC_ERROR;
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}
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return codec_load_ram((size_t)rc, api);
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}
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