f801714572
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15629 a1c6a512-1295-4272-9138-f99709370657
940 lines
26 KiB
C
940 lines
26 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) 2004 Jörg Hohensohn
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*
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* This module collects the Talkbox and voice UI functions.
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* (Talkbox reads directory names from mp3 clips called thumbnails,
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* the voice UI lets menus and screens "talk" from a voicefile in memory.
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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 <stdio.h>
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#include <stddef.h>
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#include <string.h>
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#include "file.h"
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#include "buffer.h"
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#include "system.h"
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#include "kernel.h"
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#include "settings.h"
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#include "mp3_playback.h"
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#include "audio.h"
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#include "lang.h"
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#include "talk.h"
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#include "id3.h"
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#include "logf.h"
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#include "bitswap.h"
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#include "structec.h"
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#if CONFIG_CODEC == SWCODEC
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#include "playback.h"
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#endif
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#include "debug.h"
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/* Memory layout varies between targets because the
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Archos (MASCODEC) devices cannot mix voice and audio playback
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MASCODEC | MASCODEC | SWCODEC
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(playing) | (stopped) |
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audiobuf-----------+-----------+------------
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audio | voice | thumbnail
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|-----------|------------
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| thumbnail | voice
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| |------------
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| | filebuf
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| |------------
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| | audio
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| |------------
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| | codec swap
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audiobufend----------+-----------+------------
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SWCODEC allocates dedicated buffers, MASCODEC reuses audiobuf. */
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/***************** Constants *****************/
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#define QUEUE_SIZE 64 /* must be a power of two */
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#define QUEUE_MASK (QUEUE_SIZE-1)
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const char* const dir_thumbnail_name = "_dirname.talk";
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const char* const file_thumbnail_ext = ".talk";
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/***************** Functional Macros *****************/
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#define QUEUE_LEVEL ((queue_write - queue_read) & QUEUE_MASK)
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#define LOADED_MASK 0x80000000 /* MSB */
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#if CONFIG_CODEC == SWCODEC
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#define MAX_THUMBNAIL_BUFSIZE 0x10000
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#endif
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/***************** Data types *****************/
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struct clip_entry /* one entry of the index table */
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{
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int offset; /* offset from start of voicefile file */
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int size; /* size of the clip */
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};
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struct voicefile /* file format of our voice file */
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{
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int version; /* version of the voicefile */
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int target_id; /* the rockbox target the file was made for */
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int table; /* offset to index table, (=header size) */
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int id1_max; /* number of "normal" clips contained in above index */
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int id2_max; /* number of "voice only" clips contained in above index */
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struct clip_entry index[]; /* followed by the index tables */
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/* and finally the mp3 clips, not visible here, bitswapped
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for SH based players */
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};
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struct queue_entry /* one entry of the internal queue */
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{
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unsigned char* buf;
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long len;
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};
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/***************** Globals *****************/
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static unsigned char* p_thumbnail = NULL; /* buffer for thumbnail */
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static long size_for_thumbnail; /* leftover buffer size for it */
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static struct voicefile* p_voicefile; /* loaded voicefile */
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static bool has_voicefile; /* a voicefile file is present */
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static struct queue_entry queue[QUEUE_SIZE]; /* queue of scheduled clips */
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static bool force_enqueue_next; /* enqueue next utterance even if enqueue is false */
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static int queue_write; /* write index of queue, by application */
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static int queue_read; /* read index of queue, by ISR context */
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static int sent; /* how many bytes handed over to playback, owned by ISR */
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static unsigned char curr_hd[3]; /* current frame header, for re-sync */
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static int filehandle = -1; /* global, so the MMC variant can keep the file open */
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static unsigned char* p_silence; /* VOICE_PAUSE clip, used for termination */
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static long silence_len; /* length of the VOICE_PAUSE clip */
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static unsigned char* p_lastclip; /* address of latest clip, for silence add */
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static unsigned long voicefile_size = 0; /* size of the loaded voice file */
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static unsigned char last_lang[MAX_FILENAME+1]; /* name of last used lang file (in talk_init) */
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static bool talk_initialized; /* true if talk_init has been called */
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static int talk_temp_disable_count; /* if positive, temporarily disable voice UI (not saved) */
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/***************** Private implementation *****************/
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static int open_voicefile(void)
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{
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char buf[64];
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char* p_lang = "english"; /* default */
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if ( global_settings.lang_file[0] &&
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global_settings.lang_file[0] != 0xff )
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{ /* try to open the voice file of the selected language */
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p_lang = (char *)global_settings.lang_file;
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}
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snprintf(buf, sizeof(buf), LANG_DIR "/%s.voice", p_lang);
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return open(buf, O_RDONLY);
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}
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/* fetch a clip from the voice file */
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static unsigned char* get_clip(long id, long* p_size)
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{
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long clipsize;
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unsigned char* clipbuf;
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if (id > VOICEONLY_DELIMITER)
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{ /* voice-only entries use the second part of the table */
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id -= VOICEONLY_DELIMITER + 1;
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if (id >= p_voicefile->id2_max)
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return NULL; /* must be newer than we have */
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id += p_voicefile->id1_max; /* table 2 is behind table 1 */
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}
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else
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{ /* normal use of the first table */
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if (id >= p_voicefile->id1_max)
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return NULL; /* must be newer than we have */
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}
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clipsize = p_voicefile->index[id].size;
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if (clipsize == 0) /* clip not included in voicefile */
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return NULL;
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clipbuf = (unsigned char *) p_voicefile + p_voicefile->index[id].offset;
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#ifdef HAVE_MMC /* dynamic loading, on demand */
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if (!(clipsize & LOADED_MASK))
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{ /* clip used for the first time, needs loading */
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lseek(filehandle, p_voicefile->index[id].offset, SEEK_SET);
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if (read(filehandle, clipbuf, clipsize) != clipsize)
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return NULL; /* read error */
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p_voicefile->index[id].size |= LOADED_MASK; /* mark as loaded */
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}
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else
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{ /* clip is in memory already */
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clipsize &= ~LOADED_MASK; /* without the extra bit gives true size */
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}
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#endif
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*p_size = clipsize;
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return clipbuf;
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}
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/* load the voice file into the mp3 buffer */
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static void load_voicefile(void)
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{
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int load_size;
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int got_size;
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int file_size;
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#ifdef ROCKBOX_LITTLE_ENDIAN
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int i;
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#endif
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filehandle = open_voicefile();
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if (filehandle < 0) /* failed to open */
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goto load_err;
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file_size = filesize(filehandle);
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if (file_size > audiobufend - audiobuf) /* won't fit? */
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goto load_err;
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#ifdef HAVE_MMC /* load only the header for now */
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load_size = offsetof(struct voicefile, index);
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#else /* load the full file */
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load_size = file_size;
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#endif
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got_size = read(filehandle, audiobuf, load_size);
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if (got_size != load_size /* failure */)
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goto load_err;
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#ifdef ROCKBOX_LITTLE_ENDIAN
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logf("Byte swapping voice file");
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structec_convert(audiobuf, "lllll", 1, true);
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#endif
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if (((struct voicefile*)audiobuf)->table /* format check */
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== offsetof(struct voicefile, index))
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{
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p_voicefile = (struct voicefile*)audiobuf;
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if (p_voicefile->version != VOICE_VERSION ||
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p_voicefile->target_id != TARGET_ID)
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{
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logf("Incompatible voice file");
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goto load_err;
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}
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#if CONFIG_CODEC != SWCODEC
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/* MASCODEC: now use audiobuf for voice then thumbnail */
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p_thumbnail = audiobuf + file_size;
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p_thumbnail += (long)p_thumbnail % 2; /* 16-bit align */
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size_for_thumbnail = audiobufend - p_thumbnail;
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#endif
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}
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else
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goto load_err;
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#ifdef ROCKBOX_LITTLE_ENDIAN
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for (i = 0; i < p_voicefile->id1_max + p_voicefile->id2_max; i++)
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structec_convert(&p_voicefile->index[i], "ll", 1, true);
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#endif
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#ifdef HAVE_MMC
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/* load the index table, now that we know its size from the header */
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load_size = (p_voicefile->id1_max + p_voicefile->id2_max)
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* sizeof(struct clip_entry);
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got_size = read(filehandle,
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(unsigned char *) p_voicefile + offsetof(struct voicefile, index), load_size);
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if (got_size != load_size) /* read error */
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goto load_err;
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#else
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close(filehandle); /* only the MMC variant leaves it open */
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filehandle = -1;
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#endif
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/* make sure to have the silence clip, if available */
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p_silence = get_clip(VOICE_PAUSE, &silence_len);
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return;
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load_err:
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p_voicefile = NULL;
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has_voicefile = false; /* don't try again */
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if (filehandle >= 0)
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{
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close(filehandle);
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filehandle = -1;
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}
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return;
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}
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/* Are more voice clips queued and waiting? */
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bool is_voice_queued()
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{
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return (QUEUE_LEVEL != 0);
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}
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/* called in ISR context if mp3 data got consumed */
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static void mp3_callback(unsigned char** start, size_t* size)
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{
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queue[queue_read].len -= sent; /* we completed this */
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queue[queue_read].buf += sent;
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if (queue[queue_read].len > 0) /* current clip not finished? */
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{ /* feed the next 64K-1 chunk */
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#if CONFIG_CODEC != SWCODEC
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sent = MIN(queue[queue_read].len, 0xFFFF);
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#else
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sent = queue[queue_read].len;
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#endif
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*start = queue[queue_read].buf;
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*size = sent;
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return;
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}
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else if (sent > 0) /* go to next entry */
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{
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queue_read = (queue_read + 1) & QUEUE_MASK;
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}
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re_check:
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if (QUEUE_LEVEL != 0) /* queue is not empty? */
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{ /* start next clip */
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#if CONFIG_CODEC != SWCODEC
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sent = MIN(queue[queue_read].len, 0xFFFF);
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#else
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sent = queue[queue_read].len;
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#endif
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*start = p_lastclip = queue[queue_read].buf;
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*size = sent;
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curr_hd[0] = p_lastclip[1];
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curr_hd[1] = p_lastclip[2];
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curr_hd[2] = p_lastclip[3];
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}
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else if (p_silence != NULL /* silence clip available */
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&& p_lastclip != p_silence /* previous clip wasn't silence */
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&& p_lastclip != p_thumbnail) /* ..or thumbnail */
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{ /* add silence clip when queue runs empty playing a voice clip */
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queue[queue_write].buf = p_silence;
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queue[queue_write].len = silence_len;
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queue_write = (queue_write + 1) & QUEUE_MASK;
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goto re_check;
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}
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else
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{
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*size = 0; /* end of data */
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}
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}
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/***************** Public routines *****************/
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/* stop the playback and the pending clips */
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void talk_force_shutup(void)
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{
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/* Most of this is MAS only */
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#if CONFIG_CODEC != SWCODEC
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#ifdef SIMULATOR
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return;
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#endif
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unsigned char* pos;
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unsigned char* search;
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unsigned char* end;
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if (QUEUE_LEVEL == 0) /* has ended anyway */
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return;
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#if CONFIG_CPU == SH7034
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CHCR3 &= ~0x0001; /* disable the DMA (and therefore the interrupt also) */
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#endif /* CONFIG_CPU == SH7034 */
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/* search next frame boundary and continue up to there */
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pos = search = mp3_get_pos();
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end = queue[queue_read].buf + queue[queue_read].len;
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if (pos >= queue[queue_read].buf
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&& pos <= end) /* really our clip? */
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{ /* (for strange reasons this isn't nesessarily the case) */
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/* find the next frame boundary */
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while (search < end) /* search the remaining data */
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{
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if (*search++ != 0xFF) /* quick search for frame sync byte */
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continue; /* (this does the majority of the job) */
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/* look at the (bitswapped) rest of header candidate */
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if (search[0] == curr_hd[0] /* do the quicker checks first */
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&& search[2] == curr_hd[2]
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&& (search[1] & 0x30) == (curr_hd[1] & 0x30)) /* sample rate */
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{
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search--; /* back to the sync byte */
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break; /* From looking at it, this is our header. */
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}
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}
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if (search-pos)
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{ /* play old data until the frame end, to keep the MAS in sync */
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sent = search-pos;
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queue_write = (queue_read + 1) & QUEUE_MASK; /* will be empty after next callback */
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queue[queue_read].len = sent; /* current one ends after this */
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#if CONFIG_CPU == SH7034
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DTCR3 = sent; /* let the DMA finish this frame */
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CHCR3 |= 0x0001; /* re-enable DMA */
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#endif /* CONFIG_CPU == SH7034 */
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return;
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}
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}
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#endif /* CONFIG_CODEC != SWCODEC */
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/* Either SWCODEC, or MAS had nothing to do (was frame boundary or not our clip) */
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mp3_play_stop();
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queue_write = queue_read = 0; /* reset the queue */
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return;
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}
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/* Shutup the voice, except if force_enqueue_next is set. */
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void talk_shutup(void)
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{
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if (!force_enqueue_next)
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talk_force_shutup();
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}
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/* schedule a clip, at the end or discard the existing queue */
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static void queue_clip(unsigned char* buf, long size, bool enqueue)
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{
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int queue_level;
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if (!enqueue)
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talk_shutup(); /* cut off all the pending stuff */
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/* Something is being enqueued, force_enqueue_next override is no
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longer in effect. */
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force_enqueue_next = false;
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if (!size)
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return; /* safety check */
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#if CONFIG_CPU == SH7034
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/* disable the DMA temporarily, to be safe of race condition */
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CHCR3 &= ~0x0001;
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#endif
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queue_level = QUEUE_LEVEL; /* check old level */
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if (queue_level < QUEUE_SIZE - 1) /* space left? */
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{
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queue[queue_write].buf = buf; /* populate an entry */
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queue[queue_write].len = size;
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queue_write = (queue_write + 1) & QUEUE_MASK;
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}
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if (queue_level == 0)
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{ /* queue was empty, we have to do the initial start */
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p_lastclip = buf;
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#if CONFIG_CODEC != SWCODEC
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sent = MIN(size, 0xFFFF); /* DMA can do no more */
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#else
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sent = size;
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#endif
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mp3_play_data(buf, sent, mp3_callback);
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curr_hd[0] = buf[1];
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curr_hd[1] = buf[2];
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curr_hd[2] = buf[3];
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mp3_play_pause(true); /* kickoff audio */
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}
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else
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{
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#if CONFIG_CPU == SH7034
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CHCR3 |= 0x0001; /* re-enable DMA */
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#endif
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}
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return;
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}
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/* common code for talk_init() and talk_buffer_steal() */
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static void reset_state(void)
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{
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queue_write = queue_read = 0; /* reset the queue */
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p_voicefile = NULL; /* indicate no voicefile (trashed) */
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#if CONFIG_CODEC == SWCODEC
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/* Allocate a dedicated thumbnail buffer - once */
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if (p_thumbnail == NULL)
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{
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size_for_thumbnail = audiobufend - audiobuf;
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if (size_for_thumbnail > MAX_THUMBNAIL_BUFSIZE)
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size_for_thumbnail = MAX_THUMBNAIL_BUFSIZE;
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p_thumbnail = buffer_alloc(size_for_thumbnail);
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}
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#else
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/* Just use the audiobuf, without allocating anything */
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p_thumbnail = audiobuf;
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size_for_thumbnail = audiobufend - audiobuf;
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#endif
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p_silence = NULL; /* pause clip not accessible */
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}
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/***************** Public implementation *****************/
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void talk_init(void)
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{
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talk_temp_disable_count = 0;
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if (talk_initialized && !strcasecmp(last_lang, global_settings.lang_file))
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{
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/* not a new file, nothing to do */
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return;
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}
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#ifdef HAVE_MMC
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if (filehandle >= 0) /* MMC: An old voice file might still be open */
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{
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close(filehandle);
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filehandle = -1;
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}
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#endif
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talk_initialized = true;
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strncpy((char *) last_lang, (char *)global_settings.lang_file,
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MAX_FILENAME);
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#if CONFIG_CODEC == SWCODEC
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audio_get_buffer(false, NULL); /* Must tell audio to reinitialize */
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#endif
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reset_state(); /* use this for most of our inits */
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filehandle = open_voicefile();
|
|
has_voicefile = (filehandle >= 0); /* test if we can open it */
|
|
voicefile_size = 0;
|
|
|
|
if (has_voicefile)
|
|
{
|
|
voicefile_size = filesize(filehandle);
|
|
close(filehandle); /* close again, this was just to detect presence */
|
|
filehandle = -1;
|
|
}
|
|
|
|
}
|
|
|
|
#if CONFIG_CODEC == SWCODEC
|
|
/* return if a voice codec is required or not */
|
|
bool talk_voice_required(void)
|
|
{
|
|
return (voicefile_size != 0) /* Voice file is available */
|
|
|| (global_settings.talk_dir_clip) /* Thumbnail clips are required */
|
|
|| (global_settings.talk_file_clip);
|
|
}
|
|
#endif
|
|
|
|
/* return size of voice file */
|
|
int talk_get_bufsize(void)
|
|
{
|
|
return voicefile_size;
|
|
}
|
|
|
|
/* somebody else claims the mp3 buffer, e.g. for regular play/record */
|
|
void talk_buffer_steal(void)
|
|
{
|
|
#if CONFIG_CODEC != SWCODEC
|
|
mp3_play_stop();
|
|
#endif
|
|
#ifdef HAVE_MMC
|
|
if (filehandle >= 0) /* only relevant for MMC */
|
|
{
|
|
close(filehandle);
|
|
filehandle = -1;
|
|
}
|
|
#endif
|
|
reset_state();
|
|
}
|
|
|
|
|
|
/* play a voice ID from voicefile */
|
|
int talk_id(long id, bool enqueue)
|
|
{
|
|
long clipsize;
|
|
unsigned char* clipbuf;
|
|
int unit;
|
|
|
|
if (talk_temp_disable_count > 0)
|
|
return -1; /* talking has been disabled */
|
|
#if CONFIG_CODEC != SWCODEC
|
|
if (audio_status()) /* busy, buffer in use */
|
|
return -1;
|
|
#endif
|
|
|
|
if (p_voicefile == NULL && has_voicefile)
|
|
load_voicefile(); /* reload needed */
|
|
|
|
if (p_voicefile == NULL) /* still no voices? */
|
|
return -1;
|
|
|
|
if (id == -1) /* -1 is an indication for silence */
|
|
return -1;
|
|
|
|
/* check if this is a special ID, with a value */
|
|
unit = ((unsigned long)id) >> UNIT_SHIFT;
|
|
if (unit)
|
|
{ /* sign-extend the value */
|
|
id = (unsigned long)id << (32-UNIT_SHIFT);
|
|
id >>= (32-UNIT_SHIFT);
|
|
talk_value(id, unit, enqueue); /* speak it */
|
|
return 0; /* and stop, end of special case */
|
|
}
|
|
|
|
clipbuf = get_clip(id, &clipsize);
|
|
if (clipbuf == NULL)
|
|
return -1; /* not present */
|
|
|
|
queue_clip(clipbuf, clipsize, enqueue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Speaks zero or more IDs (from an array). */
|
|
int talk_idarray(long *ids, bool enqueue)
|
|
{
|
|
int r;
|
|
if(!ids)
|
|
return 0;
|
|
while(*ids != TALK_FINAL_ID)
|
|
{
|
|
if((r = talk_id(*ids++, enqueue)) <0)
|
|
return r;
|
|
enqueue = true;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Make sure the current utterance is not interrupted by the next one. */
|
|
void talk_force_enqueue_next(void)
|
|
{
|
|
force_enqueue_next = true;
|
|
}
|
|
|
|
/* play a thumbnail from file */
|
|
int talk_file(const char* filename, bool enqueue)
|
|
{
|
|
int fd;
|
|
int size;
|
|
struct mp3entry info;
|
|
|
|
if (talk_temp_disable_count > 0)
|
|
return -1; /* talking has been disabled */
|
|
#if CONFIG_CODEC != SWCODEC
|
|
if (audio_status()) /* busy, buffer in use */
|
|
return -1;
|
|
#endif
|
|
|
|
if (p_thumbnail == NULL || size_for_thumbnail <= 0)
|
|
return -1;
|
|
|
|
if(mp3info(&info, filename)) /* use this to find real start */
|
|
{
|
|
return 0; /* failed to open, or invalid */
|
|
}
|
|
|
|
fd = open(filename, O_RDONLY);
|
|
if (fd < 0) /* failed to open */
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
lseek(fd, info.first_frame_offset, SEEK_SET); /* behind ID data */
|
|
|
|
size = read(fd, p_thumbnail, size_for_thumbnail);
|
|
close(fd);
|
|
|
|
/* ToDo: find audio, skip ID headers and trailers */
|
|
|
|
if (size != 0 && size != size_for_thumbnail) /* Don't play missing or truncated clips */
|
|
{
|
|
#if CONFIG_CODEC != SWCODEC && !defined(SIMULATOR)
|
|
bitswap(p_thumbnail, size);
|
|
#endif
|
|
queue_clip(p_thumbnail, size, enqueue);
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
|
|
/* say a numeric value, this word ordering works for english,
|
|
but not necessarily for other languages (e.g. german) */
|
|
int talk_number(long n, bool enqueue)
|
|
{
|
|
int level = 2; /* mille count */
|
|
long mil = 1000000000; /* highest possible "-illion" */
|
|
|
|
if (talk_temp_disable_count > 0)
|
|
return -1; /* talking has been disabled */
|
|
#if CONFIG_CODEC != SWCODEC
|
|
if (audio_status()) /* busy, buffer in use */
|
|
return -1;
|
|
#endif
|
|
|
|
if (!enqueue)
|
|
talk_shutup(); /* cut off all the pending stuff */
|
|
|
|
if (n==0)
|
|
{ /* special case */
|
|
talk_id(VOICE_ZERO, true);
|
|
return 0;
|
|
}
|
|
|
|
if (n<0)
|
|
{
|
|
talk_id(VOICE_MINUS, true);
|
|
n = -n;
|
|
}
|
|
|
|
while (n)
|
|
{
|
|
int segment = n / mil; /* extract in groups of 3 digits */
|
|
n -= segment * mil; /* remove the used digits from number */
|
|
mil /= 1000; /* digit place for next round */
|
|
|
|
if (segment)
|
|
{
|
|
int hundreds = segment / 100;
|
|
int ones = segment % 100;
|
|
|
|
if (hundreds)
|
|
{
|
|
talk_id(VOICE_ZERO + hundreds, true);
|
|
talk_id(VOICE_HUNDRED, true);
|
|
}
|
|
|
|
/* combination indexing */
|
|
if (ones > 20)
|
|
{
|
|
int tens = ones/10 + 18;
|
|
talk_id(VOICE_ZERO + tens, true);
|
|
ones %= 10;
|
|
}
|
|
|
|
/* direct indexing */
|
|
if (ones)
|
|
talk_id(VOICE_ZERO + ones, true);
|
|
|
|
/* add billion, million, thousand */
|
|
if (mil)
|
|
talk_id(VOICE_THOUSAND + level, true);
|
|
}
|
|
level--;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Say time duration/interval. Input is time in seconds,
|
|
say hours,minutes,seconds. */
|
|
static int talk_time_unit(long secs, bool exact, bool enqueue)
|
|
{
|
|
int hours, mins;
|
|
if (!enqueue)
|
|
talk_shutup();
|
|
if((hours = secs/3600)) {
|
|
secs %= 3600;
|
|
talk_value(hours, UNIT_HOUR, true);
|
|
}
|
|
if((mins = secs/60)) {
|
|
secs %= 60;
|
|
if(exact || !hours)
|
|
talk_value(mins, UNIT_MIN, true);
|
|
else talk_number(mins, true); /* don't say "minutes" */
|
|
}
|
|
if((exact && secs) || (!hours && !mins))
|
|
talk_value(secs, UNIT_SEC, true);
|
|
else if(!hours && secs)
|
|
talk_number(secs, true);
|
|
return 0;
|
|
}
|
|
|
|
/* singular/plural aware saying of a value */
|
|
int talk_value(long n, int unit, bool enqueue)
|
|
{
|
|
int unit_id;
|
|
static const int unit_voiced[] =
|
|
{ /* lookup table for the voice ID of the units */
|
|
[0 ... UNIT_LAST-1] = -1, /* regular ID, int, signed */
|
|
[UNIT_MS]
|
|
= VOICE_MILLISECONDS, /* here come the "real" units */
|
|
[UNIT_SEC]
|
|
= VOICE_SECONDS,
|
|
[UNIT_MIN]
|
|
= VOICE_MINUTES,
|
|
[UNIT_HOUR]
|
|
= VOICE_HOURS,
|
|
[UNIT_KHZ]
|
|
= VOICE_KHZ,
|
|
[UNIT_DB]
|
|
= VOICE_DB,
|
|
[UNIT_PERCENT]
|
|
= VOICE_PERCENT,
|
|
[UNIT_MAH]
|
|
= VOICE_MILLIAMPHOURS,
|
|
[UNIT_PIXEL]
|
|
= VOICE_PIXEL,
|
|
[UNIT_PER_SEC]
|
|
= VOICE_PER_SEC,
|
|
[UNIT_HERTZ]
|
|
= VOICE_HERTZ,
|
|
[UNIT_MB]
|
|
= LANG_MEGABYTE,
|
|
[UNIT_KBIT]
|
|
= VOICE_KBIT_PER_SEC,
|
|
[UNIT_PM_TICK]
|
|
= VOICE_PM_UNITS_PER_TICK,
|
|
};
|
|
|
|
if (talk_temp_disable_count > 0)
|
|
return -1; /* talking has been disabled */
|
|
#if CONFIG_CODEC != SWCODEC
|
|
if (audio_status()) /* busy, buffer in use */
|
|
return -1;
|
|
#endif
|
|
|
|
/* special case for time duration */
|
|
if (unit == UNIT_TIME || unit == UNIT_TIME_EXACT)
|
|
return talk_time_unit(n, unit == UNIT_TIME_EXACT, enqueue);
|
|
|
|
if (unit < 0 || unit >= UNIT_LAST)
|
|
unit_id = -1;
|
|
else
|
|
unit_id = unit_voiced[unit];
|
|
|
|
if ((n==1 || n==-1) /* singular? */
|
|
&& unit_id >= VOICE_SECONDS && unit_id <= VOICE_HOURS)
|
|
{
|
|
unit_id--; /* use the singular for those units which have */
|
|
}
|
|
|
|
/* special case with a "plus" before */
|
|
if (n > 0 && (unit == UNIT_SIGNED || unit == UNIT_DB))
|
|
{
|
|
talk_id(VOICE_PLUS, enqueue);
|
|
enqueue = true;
|
|
}
|
|
|
|
talk_number(n, enqueue); /* say the number */
|
|
talk_id(unit_id, true); /* say the unit, if any */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* spell a string */
|
|
int talk_spell(const char* spell, bool enqueue)
|
|
{
|
|
char c; /* currently processed char */
|
|
|
|
if (talk_temp_disable_count > 0)
|
|
return -1; /* talking has been disabled */
|
|
#if CONFIG_CODEC != SWCODEC
|
|
if (audio_status()) /* busy, buffer in use */
|
|
return -1;
|
|
#endif
|
|
|
|
if (!enqueue)
|
|
talk_shutup(); /* cut off all the pending stuff */
|
|
|
|
while ((c = *spell++) != '\0')
|
|
{
|
|
/* if this grows into too many cases, I should use a table */
|
|
if (c >= 'A' && c <= 'Z')
|
|
talk_id(VOICE_CHAR_A + c - 'A', true);
|
|
else if (c >= 'a' && c <= 'z')
|
|
talk_id(VOICE_CHAR_A + c - 'a', true);
|
|
else if (c >= '0' && c <= '9')
|
|
talk_id(VOICE_ZERO + c - '0', true);
|
|
else if (c == '-')
|
|
talk_id(VOICE_MINUS, true);
|
|
else if (c == '+')
|
|
talk_id(VOICE_PLUS, true);
|
|
else if (c == '.')
|
|
talk_id(VOICE_DOT, true);
|
|
else if (c == ' ')
|
|
talk_id(VOICE_PAUSE, true);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void talk_disable(bool disable)
|
|
{
|
|
if (disable)
|
|
talk_temp_disable_count++;
|
|
else
|
|
talk_temp_disable_count--;
|
|
}
|
|
|
|
#if CONFIG_RTC
|
|
void talk_date(struct tm *tm, bool enqueue)
|
|
{
|
|
talk_id(LANG_MONTH_JANUARY + tm->tm_mon, enqueue);
|
|
talk_number(tm->tm_mday, true);
|
|
talk_number(1900 + tm->tm_year, true);
|
|
}
|
|
|
|
void talk_time(struct tm *tm, bool enqueue)
|
|
{
|
|
if (global_settings.timeformat == 1)
|
|
{
|
|
/* Voice the hour */
|
|
long am_pm_id = VOICE_AM;
|
|
int hour = tm->tm_hour;
|
|
if (hour >= 12)
|
|
{
|
|
am_pm_id = VOICE_PM;
|
|
hour -= 12;
|
|
}
|
|
if (hour == 0)
|
|
hour = 12;
|
|
talk_number(hour, enqueue);
|
|
|
|
/* Voice the minutes */
|
|
if (tm->tm_min == 0)
|
|
{
|
|
/* Say o'clock if the minute is 0. */
|
|
talk_id(VOICE_OCLOCK, true);
|
|
}
|
|
else
|
|
{
|
|
/* Pronounce the leading 0 */
|
|
if(tm->tm_min < 10)
|
|
talk_id(VOICE_OH, true);
|
|
talk_number(tm->tm_min, true);
|
|
}
|
|
talk_id(am_pm_id, true);
|
|
}
|
|
else
|
|
{
|
|
/* Voice the time in 24 hour format */
|
|
talk_number(tm->tm_hour, enqueue);
|
|
if (tm->tm_min == 0)
|
|
{
|
|
talk_id(VOICE_HUNDRED, true);
|
|
talk_id(VOICE_HOUR, true);
|
|
}
|
|
else
|
|
{
|
|
/* Pronounce the leading 0 */
|
|
if(tm->tm_min < 10)
|
|
talk_id(VOICE_OH, true);
|
|
talk_number(tm->tm_min, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|