1 files changed, 144 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/src/s_audio_rockbox.c b/apps/plugins/pdbox/PDa/src/s_audio_rockbox.c
new file mode 100644
index 0000000000..7f9b0e03e1
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/src/s_audio_rockbox.c
@@ -0,0 +1,144 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 Wincent Balin
+ *
+ * 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 "plugin.h"
+#include "pdbox.h"
+
+#include "m_pd.h"
+#include "s_stuff.h"
+
+/* Sound output buffer. */
+#define AUDIO_OUTPUT_BLOCKS 3
+static struct pdbox_audio_block audio_output[AUDIO_OUTPUT_BLOCKS];
+static unsigned int output_head;
+static unsigned int output_tail;
+static unsigned int output_fill;
+
+/* Open audio. */
+void rockbox_open_audio(int rate)
+{
+    unsigned int i;
+
+    /* Initialize output buffer. */
+    for(i = 0; i < AUDIO_OUTPUT_BLOCKS; i++)
+        audio_output[i].fill = 0;
+
+    output_head = 0;
+    output_tail = 0;
+    output_fill = 0;
+
+#if INPUT_SRC_CAPS != 0
+    /* Select playback */
+    rb->audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
+    rb->audio_set_output_source(AUDIO_SRC_PLAYBACK);
+#endif
+
+    /* Set sample rate of the audio buffer. */
+    rb->pcm_set_frequency(rate);
+}
+
+/* Close audio. */
+void rockbox_close_audio(void)
+{
+    /* Stop playback. */
+    rb->pcm_play_stop();
+
+    /* Restore default sampling rate. */
+    rb->pcm_set_frequency(HW_SAMPR_DEFAULT);
+}
+
+/* Rockbox audio callback. */
+void pdbox_get_more(unsigned char** start, size_t* size)
+{
+    if(output_fill > 0)
+    {
+        /* Store output data address and size. */
+        *start = (unsigned char*) audio_output[output_tail].data;
+        *size = audio_output[output_tail].fill;
+
+        /* Advance tail index. */
+        audio_output[output_tail].fill = 0;
+        output_fill--;
+        if(output_tail == AUDIO_OUTPUT_BLOCKS-1)
+            output_tail = 0;
+        else
+            output_tail++;
+    }
+    else
+    {
+        /* Nothing to play. */
+        *start = NULL;
+        *size = 0;
+        return;
+    }
+}
+
+/* Audio I/O. */
+int rockbox_send_dacs(void)
+{
+
+
+    /* Start playback if needed and possible. */
+    if(output_fill > 1 &&
+       audio_output[output_tail].fill == PD_AUDIO_BLOCK_SIZE)
+    {
+        /* Start playback. */
+        rb->pcm_play_data(pdbox_get_more,
+                          (unsigned char*) audio_output[output_tail].data,
+                          PD_AUDIO_BLOCK_SIZE);
+
+        /* Advance tail index. */
+        audio_output[output_tail].fill = PD_AUDIO_BLOCK_SIZE;
+        output_fill--;
+        if(output_tail == AUDIO_OUTPUT_BLOCKS-1)
+            output_tail = 0;
+        else
+            output_tail++;
+    }
+
+
+
+
+#if 0
+    if (sys_getrealtime() > timebefore + 0.002)
+    {
+        /* post("slept"); */
+        return (SENDDACS_SLEPT);
+    }
+    else 
+#endif
+    return (SENDDACS_YES);
+}
+
+/* Placeholder. */
+void rockbox_listdevs(void)
+{
+}
+
+#if 0
+/* Scanning for devices */
+void rockbox_getdevs(char *indevlist, int *nindevs,
+    char *outdevlist, int *noutdevs, int *canmulti, 
+        int maxndev, int devdescsize)
+{
+}
+#endif
+