1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2002 Björn Stenberg
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
18 ****************************************************************************/
25 #include <timefuncs.h>
41 #include "buffering.h"
42 #include "mp3_playback.h"
44 #include "backlight.h"
48 #include "powermgmt.h"
58 #if CONFIG_CODEC == SWCODEC
59 unsigned char codecbuf
[CODEC_SIZE
];
61 void *sim_codec_load_ram(char* codecptr
, int size
, void **pd
);
62 void sim_codec_close(void *pd
);
64 #define sim_codec_close(x)
65 extern unsigned char codecbuf
[];
68 extern void* plugin_get_audio_buffer(size_t *buffer_size
);
70 struct codec_api ci
= {
75 NULL
, /* taginfo_ready */
76 false, /* stop_codec */
79 NULL
, /* struct dsp_config *dsp */
80 NULL
, /* get_codec_memory */
81 NULL
, /* pcmbuf_insert */
82 NULL
, /* set_elapsed */
83 NULL
, /* read_filebuf */
84 NULL
, /* request_buffer */
85 NULL
, /* advance_buffer */
86 NULL
, /* advance_buffer_loc */
87 NULL
, /* seek_buffer */
88 NULL
, /* seek_complete */
89 NULL
, /* request_next_track */
90 NULL
, /* discard_codec */
91 NULL
, /* set_offset */
110 #ifdef CACHE_FUNCTIONS_AS_CALL
115 /* strings and memory */
127 #if defined(DEBUG) || defined(SIMULATOR)
130 #ifdef ROCKBOX_HAS_LOGF
144 #if defined(HAVE_RECORDING) && !defined(SIMULATOR)
145 false, /* stop_encoder */
146 0, /* enc_codec_loaded */
155 (open_func
)PREFIX(open
),
160 round_value_to_list32
,
164 /* new stuff at the end, sort into place next time
165 the API gets incompatible */
169 void codec_get_full_path(char *path
, const char *codec_root_fn
)
171 snprintf(path
, MAX_PATH
-1, CODECS_DIR
"/%s." CODEC_EXTENSION
,
175 static int codec_load_ram(int size
, struct codec_api
*api
)
177 struct codec_header
*hdr
;
180 hdr
= (struct codec_header
*)codecbuf
;
182 if (size
<= (signed)sizeof(struct codec_header
)
183 || (hdr
->magic
!= CODEC_MAGIC
184 #ifdef HAVE_RECORDING
185 && hdr
->magic
!= CODEC_ENC_MAGIC
188 || hdr
->target_id
!= TARGET_ID
189 || hdr
->load_addr
!= codecbuf
190 || hdr
->end_addr
> codecbuf
+ CODEC_SIZE
)
192 logf("codec header error");
195 #else /* SIMULATOR */
198 hdr
= sim_codec_load_ram(codecbuf
, size
, &pd
);
204 || (hdr
->magic
!= CODEC_MAGIC
205 #ifdef HAVE_RECORDING
206 && hdr
->magic
!= CODEC_ENC_MAGIC
209 || hdr
->target_id
!= TARGET_ID
) {
213 #endif /* SIMULATOR */
214 if (hdr
->api_version
> CODEC_API_VERSION
215 || hdr
->api_version
< CODEC_MIN_API_VERSION
) {
221 status
= hdr
->entry_point(api
);
228 int codec_load_buf(unsigned int hid
, struct codec_api
*api
) {
230 rc
= bufread(hid
, CODEC_SIZE
, codecbuf
);
232 logf("error loading codec");
235 api
->discard_codec();
236 return codec_load_ram(rc
, api
);
239 int codec_load_file(const char *plugin
, struct codec_api
*api
)
246 codec_get_full_path(path
, plugin
);
248 fd
= open(path
, O_RDONLY
);
250 snprintf(msgbuf
, sizeof(msgbuf
)-1, "Couldn't load codec: %s", path
);
251 logf("Codec load error:%d", fd
);
252 gui_syncsplash(HZ
*2, msgbuf
);
256 rc
= read(fd
, &codecbuf
[0], CODEC_SIZE
);
259 logf("Codec read error");
263 return codec_load_ram((size_t)rc
, api
);