moved and renamed the codecs, gave the codecs a new extension (.codec),

unified to a single codec-only API, made a new codeclib, disabled the building
of the *2wav plugins


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6812 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 364 insertions, 0 deletions

diff --git a/apps/codecs.c b/apps/codecs.c
new file mode 100644
index 0000000..d366c93
--- /dev/null
+++ b/apps/codecs.c
@@ -0,0 +1,364 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Björn Stenberg
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdbool.h>
+#include <string.h>
+#include <stdio.h>
+#include <atoi.h>
+#include <timefuncs.h>
+#include <ctype.h>
+#include "debug.h"
+#include "button.h"
+#include "lcd.h"
+#include "dir.h"
+#include "file.h"
+#include "kernel.h"
+#include "sprintf.h"
+#include "logf.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 "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 "database.h"
+#if (CONFIG_HWCODEC == MASNONE)
+#include "pcm_playback.h"
+#endif
+
+#ifdef HAVE_LCD_BITMAP
+#include "peakmeter.h"
+#include "widgets.h"
+#include "bmp.h"
+#endif
+
+#ifdef SIMULATOR
+#if CONFIG_HWCODEC == MASNONE
+static unsigned char codecbuf[CODEC_BUFFER_SIZE];
+#endif
+void *sim_codec_load(char *plugin, int *fd);
+void sim_codec_close(int fd);
+#else
+#define sim_codec_close(x)
+extern unsigned char codecbuf[];
+#endif
+
+extern void* plugin_get_audio_buffer(int *buffer_size);
+
+static int codec_test(int api_version, int model, int memsize);
+
+const struct codec_api ci = {
+    CODEC_API_VERSION,
+    codec_test,
+
+    0, /* filesize */
+    0, /* curpos */
+    NULL, /* id3 */
+    NULL, /* mp3data */
+    NULL, /* taginfo_ready */
+    false, /* stop_codec */
+    false, /* reload_codec */
+    0, /* seek_time */
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    
+    /* lcd */
+    lcd_clear_display,
+    lcd_puts,
+    lcd_puts_scroll,
+    lcd_stop_scroll,
+    lcd_set_contrast,
+#ifdef HAVE_LCD_CHARCELLS
+    lcd_define_pattern,
+    lcd_get_locked_pattern,
+    lcd_unlock_pattern,
+    lcd_putc,
+    lcd_put_cursor,
+    lcd_remove_cursor,
+    PREFIX(lcd_icon),
+#else
+    lcd_putsxy,
+    lcd_puts_style,
+    lcd_puts_scroll_style,
+    lcd_bitmap,
+    lcd_drawline,
+    lcd_clearline,
+    lcd_drawpixel,
+    lcd_clearpixel,
+    lcd_setfont,
+    font_get,
+    lcd_clearrect,
+    lcd_fillrect,
+    lcd_drawrect,
+    lcd_invertrect,
+    lcd_getstringsize,
+    lcd_update,
+    lcd_update_rect,
+    scrollbar,
+    checkbox,
+    &lcd_framebuffer[0][0],
+    lcd_blit,
+#ifndef SIMULATOR
+    lcd_roll,
+#endif
+#endif
+    backlight_on,
+    backlight_off,
+    backlight_set_timeout,
+    splash,
+
+    /* file */
+    (open_func)PREFIX(open),
+    close,
+    (read_func)read,
+    PREFIX(lseek),
+    (creat_func)PREFIX(creat),
+    (write_func)write,
+    PREFIX(remove),
+    PREFIX(rename),
+    PREFIX(ftruncate),
+    fdprintf,
+    read_line,
+    settings_parseline,
+#ifndef SIMULATOR
+    ata_sleep,
+#endif
+
+    /* dir */
+    PREFIX(opendir),
+    PREFIX(closedir),
+    PREFIX(readdir),
+    PREFIX(mkdir),
+
+    /* kernel/ system */
+    PREFIX(sleep),
+    yield,
+    &current_tick,
+    default_event_handler,
+    default_event_handler_ex,
+    create_thread,
+    remove_thread,
+    reset_poweroff_timer,
+#ifndef SIMULATOR
+    system_memory_guard,
+    &cpu_frequency,
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+    cpu_boost,
+#endif
+#endif
+
+    /* strings and memory */
+    snprintf,
+    strcpy,
+    strncpy,
+    strlen,
+    strrchr,
+    strcmp,
+    strcasecmp,
+    strncasecmp,
+    memset,
+    memcpy,
+    _ctype_,
+    atoi,
+    strchr,
+    strcat,
+    memcmp,
+    strcasestr,
+
+    /* sound */
+    sound_set,
+#ifndef SIMULATOR
+    mp3_play_data,
+    mp3_play_pause,
+    mp3_play_stop,
+    mp3_is_playing,
+#if CONFIG_HWCODEC != MASNONE
+    bitswap,
+#endif
+#if CONFIG_HWCODEC == MASNONE
+    pcm_play_data,    
+    pcm_play_stop,
+    pcm_set_frequency,
+    pcm_is_playing,
+    pcm_play_pause,
+#endif
+#endif
+
+    /* playback control */
+    PREFIX(audio_play),
+    audio_stop,
+    audio_pause,
+    audio_resume,
+    audio_next,
+    audio_prev,
+    audio_ff_rewind,
+    audio_next_track,
+    playlist_amount,
+    audio_status,
+    audio_has_changed_track,
+    audio_current_track,
+    audio_flush_and_reload_tracks,
+    audio_get_file_pos,
+#if !defined(SIMULATOR) && (CONFIG_HWCODEC != MASNONE)
+    mpeg_get_last_header,
+#endif
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    sound_set_pitch,
+#endif
+
+#if !defined(SIMULATOR) && (CONFIG_HWCODEC != MASNONE)
+    /* MAS communication */
+    mas_readmem,
+    mas_writemem,
+    mas_readreg,
+    mas_writereg,
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    mas_codec_writereg,
+    mas_codec_readreg,
+#endif
+#endif /* !simulator and HWCODEC != MASNONE */
+
+    /* tag database */
+    &tagdbheader,
+    &tagdb_fd,
+    &tagdb_initialized,
+    tagdb_init,
+
+    /* misc */
+    srand,
+    rand,
+    (qsort_func)qsort,
+    kbd_input,
+    get_time,
+    set_time,
+    plugin_get_audio_buffer,
+
+#if defined(DEBUG) || defined(SIMULATOR)
+    debugf,
+#endif
+    &global_settings,
+    mp3info,
+    count_mp3_frames,
+    create_xing_header,
+    find_next_frame,
+    battery_level,
+    battery_level_safe,
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    peak_meter_scale_value,
+    peak_meter_set_use_dbfs,
+    peak_meter_get_use_dbfs,
+#endif
+#ifdef HAVE_LCD_BITMAP
+    read_bmp_file,
+#endif
+
+    /* new stuff at the end, sort into place next time
+       the API gets incompatible */
+
+#ifdef ROCKBOX_HAS_LOGF
+    logf,
+#endif
+
+};
+
+int codec_load_ram(char* codecptr, size_t size, void* ptr2, size_t bufwrap)
+{
+    enum codec_status (*codec_start)(const struct codec_api* api, void* param);
+    int copy_n;
+    int status;
+    
+    if ((char *)&codecbuf[0] != codecptr) {
+        /* zero out codec buffer to ensure a properly zeroed bss area */
+        memset(codecbuf, 0, CODEC_BUFFER_SIZE);
+        
+        size = MIN(size, CODEC_BUFFER_SIZE);
+        copy_n = MIN(size, bufwrap);
+        memcpy(codecbuf, codecptr, copy_n);         
+        size -= copy_n;
+        if (size > 0) {
+            memcpy(&codecbuf[copy_n], ptr2, size);
+        }
+    }
+    codec_start = (void*)&codecbuf;
+        
+    invalidate_icache();
+    status = codec_start(&ci, NULL);
+    
+    return status;
+}
+
+int codec_load_file(const char *plugin)
+{
+    char msgbuf[80];
+    int fd;
+    int rc;
+    
+    fd = open(plugin, O_RDONLY);
+    if (fd < 0) {
+        snprintf(msgbuf, sizeof(msgbuf)-1, "Couldn't load codec: %s", plugin);
+        logf("Codec load error:%d", fd);
+        splash(HZ*2, true, msgbuf);
+        return fd;
+    }
+    
+    rc = read(fd, &codecbuf[0], CODEC_BUFFER_SIZE);
+    close(fd);
+    if (rc <= 0) {
+        logf("Codec read error");
+        return CODEC_ERROR;
+    }
+        
+    return codec_load_ram(codecbuf, (size_t)rc, NULL, 0);
+}
+
+static int codec_test(int api_version, int model, int memsize)
+{
+    if (api_version < CODEC_MIN_API_VERSION ||
+        api_version > CODEC_API_VERSION)
+        return CODEC_WRONG_API_VERSION;
+
+    (void)model;
+#if 0
+    if (model != MODEL)
+        return CODEC_WRONG_MODEL;
+#endif
+
+    if (memsize != MEM)
+        return CODEC_WRONG_MODEL;
+    
+    return CODEC_OK;
+}