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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Björn Stenberg
*
* 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.
*
****************************************************************************/
#include "config.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <timefuncs.h>
#include <ctype.h>
#include "debug.h"
#include "button.h"
#include "dir.h"
#include "file.h"
#include "kernel.h"
#include "sprintf.h"
#include "screens.h"
#include "misc.h"
#include "mas.h"
#include "codecs.h"
#include "lang.h"
#include "keyboard.h"
#include "mpeg.h"
#include "buffer.h"
#include "buffering.h"
#include "mp3_playback.h"
#include "backlight.h"
#include "ata.h"
#include "talk.h"
#include "mp3data.h"
#include "powermgmt.h"
#include "system.h"
#include "sound.h"
#include "splash.h"
#include "general.h"
#define LOGF_ENABLE
#include "logf.h"
#ifdef SIMULATOR
#if CONFIG_CODEC == SWCODEC
unsigned char codecbuf[CODEC_SIZE];
#endif
void *sim_codec_load_ram(char* codecptr, int size, void **pd);
void sim_codec_close(void *pd);
#else
#define sim_codec_close(x)
extern unsigned char codecbuf[];
#endif
size_t codec_size;
extern void* plugin_get_audio_buffer(size_t *buffer_size);
struct codec_api ci = {
0, /* filesize */
0, /* curpos */
NULL, /* id3 */
NULL, /* taginfo_ready */
false, /* stop_codec */
0, /* new_track */
0, /* seek_time */
NULL, /* struct dsp_config *dsp */
NULL, /* codec_get_buffer */
NULL, /* pcmbuf_insert */
NULL, /* set_elapsed */
NULL, /* read_filebuf */
NULL, /* request_buffer */
NULL, /* advance_buffer */
NULL, /* advance_buffer_loc */
NULL, /* seek_buffer */
NULL, /* seek_complete */
NULL, /* request_next_track */
NULL, /* discard_codec */
NULL, /* set_offset */
NULL, /* configure */
/* kernel/ system */
PREFIX(sleep),
yield,
#if NUM_CORES > 1
create_thread,
thread_thaw,
thread_wait,
semaphore_init,
semaphore_wait,
semaphore_release,
#endif
#ifdef CACHE_FUNCTIONS_AS_CALL
flush_icache,
invalidate_icache,
#endif
/* strings and memory */
strcpy,
strncpy,
strlen,
strcmp,
strcat,
memset,
memcpy,
memmove,
memcmp,
memchr,
strcasestr,
#if defined(DEBUG) || defined(SIMULATOR)
debugf,
#endif
#ifdef ROCKBOX_HAS_LOGF
logf,
#endif
(qsort_func)qsort,
&global_settings,
#ifdef RB_PROFILE
profile_thread,
profstop,
__cyg_profile_func_enter,
__cyg_profile_func_exit,
#endif
#if defined(HAVE_RECORDING) && !defined(SIMULATOR)
false, /* stop_encoder */
0, /* enc_codec_loaded */
enc_get_inputs,
enc_set_parameters,
enc_get_chunk,
enc_finish_chunk,
enc_get_pcm_data,
enc_unget_pcm_data,
/* file */
(open_func)PREFIX(open),
close,
(read_func)read,
PREFIX(lseek),
(write_func)write,
round_value_to_list32,
#endif
/* new stuff at the end, sort into place next time
the API gets incompatible */
};
void codec_get_full_path(char *path, const char *codec_root_fn)
{
snprintf(path, MAX_PATH-1, CODECS_DIR "/%s." CODEC_EXTENSION,
codec_root_fn);
}
static int codec_load_ram(int size, struct codec_api *api)
{
struct codec_header *hdr;
int status;
#ifndef SIMULATOR
hdr = (struct codec_header *)codecbuf;
if (size <= (signed)sizeof(struct codec_header)
|| (hdr->magic != CODEC_MAGIC
#ifdef HAVE_RECORDING
&& hdr->magic != CODEC_ENC_MAGIC
#endif
)
|| hdr->target_id != TARGET_ID
|| hdr->load_addr != codecbuf
|| hdr->end_addr > codecbuf + CODEC_SIZE)
{
logf("codec header error");
return CODEC_ERROR;
}
codec_size = hdr->end_addr - codecbuf;
#else /* SIMULATOR */
void *pd;
hdr = sim_codec_load_ram(codecbuf, size, &pd);
if (pd == NULL)
return CODEC_ERROR;
if (hdr == NULL
|| (hdr->magic != CODEC_MAGIC
#ifdef HAVE_RECORDING
&& hdr->magic != CODEC_ENC_MAGIC
#endif
)
|| hdr->target_id != TARGET_ID) {
sim_codec_close(pd);
return CODEC_ERROR;
}
codec_size = codecbuf - codecbuf;
#endif /* SIMULATOR */
if (hdr->api_version > CODEC_API_VERSION
|| hdr->api_version < CODEC_MIN_API_VERSION) {
sim_codec_close(pd);
return CODEC_ERROR;
}
invalidate_icache();
status = hdr->entry_point(api);
sim_codec_close(pd);
return status;
}
int codec_load_buf(unsigned int hid, struct codec_api *api)
{
int rc;
rc = bufread(hid, CODEC_SIZE, codecbuf);
if (rc < 0) {
logf("error loading codec");
return CODEC_ERROR;
}
api->discard_codec();
return codec_load_ram(rc, api);
}
int codec_load_file(const char *plugin, struct codec_api *api)
{
char path[MAX_PATH];
int fd;
int rc;
codec_get_full_path(path, plugin);
fd = open(path, O_RDONLY);
if (fd < 0) {
logf("Codec load error:%d", fd);
splashf(HZ*2, "Couldn't load codec: %s", path);
return fd;
}
rc = read(fd, &codecbuf[0], CODEC_SIZE);
close(fd);
if (rc <= 0) {
logf("Codec read error");
return CODEC_ERROR;
}
return codec_load_ram((size_t)rc, api);
}
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