Patch #5766 by Steve Bavin - Fix for various voice related crashes

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10590 a1c6a512-1295-4272-9138-f99709370657

apps/playback.c

@@ -481,9 +481,13 @@ static void* get_voice_memory_callback(size_t *size)
 static void* get_codec_memory_callback(size_t *size)
 {
     *size = MALLOC_BUFSIZE;
+#if CONFIG_CODEC != SWCODEC
+    /* MASCODEC cannot play audio and voice simultaneously, so its
+       voice strategy is different - see talk.c for details */
     if (voice_codec_loaded)
         return &audiobuf[talk_get_bufsize()];
     else
+#endif
         return audiobuf;
 }
 
@@ -2559,7 +2563,7 @@ static void reset_buffer(void)
     filebuflen = audiobufend - audiobuf - MALLOC_BUFSIZE - GUARD_BUFSIZE -
         (pcmbuf_get_bufsize() + get_pcmbuf_descsize() + PCMBUF_MIX_CHUNK * 2);
 
-    if (talk_get_bufsize())
+    if (talk_voice_required())
     {
         filebuf = &filebuf[talk_get_bufsize()];
         filebuflen -= 2*CODEC_IRAM_SIZE + 2*CODEC_SIZE + talk_get_bufsize();
@@ -2569,8 +2573,17 @@ static void reset_buffer(void)
         iram_buf[1] = &filebuf[filebuflen+CODEC_IRAM_SIZE];
 #endif
         dram_buf[0] = (unsigned char *)&filebuf[filebuflen+CODEC_IRAM_SIZE*2];
-        dram_buf[1] =
-            (unsigned char *)&filebuf[filebuflen+CODEC_IRAM_SIZE*2+CODEC_SIZE];
+        dram_buf[1] = (unsigned char *)&filebuf[filebuflen+CODEC_IRAM_SIZE*2+CODEC_SIZE];
+    }
+    else
+    {
+        filebuf = &filebuf[talk_get_bufsize()];
+        filebuflen -= CODEC_IRAM_SIZE + CODEC_SIZE + talk_get_bufsize();
+
+#ifndef SIMULATOR
+        iram_buf[0] = &filebuf[filebuflen];
+#endif
+        dram_buf[0] = (unsigned char *)&filebuf[filebuflen+CODEC_IRAM_SIZE*2];
     }
 
     /* Ensure that everything is aligned */
@@ -2616,8 +2629,8 @@ void voice_init(void)
         voice_codec_loaded = false;
     }
 
-    if (!talk_get_bufsize())
-        return ;
+    if (!talk_voice_required())
+        return;
 
     logf("Starting voice codec");
     queue_init(&voice_codec_queue);

apps/settings_menu.c

@@ -1264,16 +1264,20 @@ static const struct opt_items voice_names[] = {
 
 static bool voice_dirs(void)
 {
-    return set_option( str(LANG_VOICE_DIR),
+    bool ret = set_option( str(LANG_VOICE_DIR),
                        &global_settings.talk_dir, INT, voice_names, 4, NULL);
+    audio_set_crossfade(global_settings.crossfade);
+    return ret;
 }
 
 static bool voice_files(void)
 {
     int oldval = global_settings.talk_file;
     bool ret;
+
     ret = set_option( str(LANG_VOICE_FILE),
                        &global_settings.talk_file, INT, voice_names, 4, NULL);
+    audio_set_crossfade(global_settings.crossfade);
     if (oldval != 3 && global_settings.talk_file == 3)
     {   /* force reload if newly talking thumbnails,
            because the clip presence is cached only if enabled */
@@ -1462,9 +1466,7 @@ static bool crossfade(void)
 
     ret=set_option( str(LANG_CROSSFADE_ENABLE),
                     &global_settings.crossfade, INT, names, 4, NULL);
-
     audio_set_crossfade(global_settings.crossfade);
-
     return ret;
 }
 

apps/talk.c

@@ -146,10 +146,6 @@ static int open_voicefile(void)
     return open(buf, O_RDONLY);
 }
 
-int talk_get_bufsize(void)
-{
-    return voicefile_size;
-}
 
 /* load the voice file into the mp3 buffer */
 static void load_voicefile(void)
@@ -532,6 +528,19 @@ void talk_init(void)
     }
 }
 
+/* return if a voice codec is required or not */
+bool talk_voice_required(void)
+{
+    return (voicefile_size != 0) 
+        || (global_settings.talk_dir == 3) 
+        || (global_settings.talk_file == 3);
+}
+
+/* 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 */
 int talk_buffer_steal(void)

apps/talk.h

@@ -58,6 +58,7 @@ extern const char* const dir_thumbnail_name; /* "_dirname.talk" */
 extern const char* const file_thumbnail_ext; /* ".talk" for file voicing */
 
 void talk_init(void);
+bool talk_voice_required(void); /* returns true if voice codec required */
 int talk_get_bufsize(void); /* get the loaded voice file size */
 int talk_buffer_steal(void); /* claim the mp3 buffer e.g. for play/record */
 int talk_id(long id, bool enqueue); /* play a voice ID from voicefont */