1 files changed, 141 insertions, 0 deletions
diff --git a/kscd/libwm/audio/audio_arts.c b/kscd/libwm/audio/audio_arts.c
new file mode 100644
index 00000000..a7b033c9
--- /dev/null
+++ b/kscd/libwm/audio/audio_arts.c
@@ -0,0 +1,141 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *
+ * Linux digital audio functions.
+ *
+ *
+ * Forget /dev/audio
+ * most modern soundcards accept 16LE with 44.1kHz
+ * Alexander Kern alex.kern@gmx.de
+ */
+
+#include <config.h>
+
+#ifdef USE_ARTS
+
+#include <artsc.h>
+
+#include "audio.h"
+
+arts_stream_t arts_stream = NULL;
+
+int arts_open(void);
+int arts_close(void);
+int arts_stop(void);
+int arts_play(struct cdda_block *blk);
+int arts_state(struct cdda_block *blk);
+struct audio_oops* setup_arts(const char *dev, const char *ctl);
+
+/*
+ * Initialize the audio device.
+ */
+int
+arts_open(void)
+{
+  int err;
+
+  DEBUGLOG("arts_open\n");
+
+  if(!(arts_stream = arts_play_stream(44100, 16, 2, "cddaslave"))) {
+    ERRORLOG("cannot open ARTS stream for playback\n");
+    return -1;
+  }
+  /* 1000 ms because we read 75 frames = 1 sec */
+  if((err = arts_stream_set(arts_stream, ARTS_P_BUFFER_TIME, 1000)) < 0) {
+    ERRORLOG("arts_stream_set failed (%s)\n", arts_error_text(err));
+    return -1;
+  }
+  return 0;
+}
+
+/*
+ * Close the audio device.
+ */
+int
+arts_close(void)
+{
+  arts_stop();
+
+  DEBUGLOG("arts_close\n");
+  arts_close_stream(arts_stream);
+  
+  arts_free();
+  
+  return 0;
+}
+
+/*
+ * Play some audio and pass a status message upstream, if applicable.
+ * Returns 0 on success.
+ */
+int
+arts_play(struct cdda_block *blk)
+{
+  int err;
+
+  if((err = arts_write(arts_stream, blk->buf, blk->buflen)) < 0) {
+    ERRORLOG("arts_write failed (%s)\n", arts_error_text(err));
+    blk->status = WM_CDM_CDDAERROR;
+    return -1;
+  }
+
+  return 0;
+}
+
+/*
+ * Stop the audio immediately.
+ */
+int
+arts_stop(void)
+{
+  DEBUGLOG("arts_stop\n");
+  return 0;
+}
+
+/*
+ * Get the current audio state.
+ */
+int
+arts_state(struct cdda_block *blk)
+{
+  return -1; /* not implemented yet for ARTS */
+}
+
+static struct audio_oops arts_oops = {
+  .wmaudio_open    = arts_open,
+  .wmaudio_close   = arts_close,
+  .wmaudio_play    = arts_play,
+  .wmaudio_stop    = arts_stop,
+  .wmaudio_state   = arts_state,
+  .wmaudio_balance = NULL,
+  .wmaudio_volume  = NULL
+};
+
+struct audio_oops*
+setup_arts(const char *dev, const char *ctl)
+{
+  int err;
+
+  if((err = arts_init())) {
+    ERRORLOG("cannot initialize ARTS audio subsystem (%s)\n", arts_error_text(err));
+    return NULL;
+  }
+
+  arts_open();
+  
+  return &arts_oops;
+}
+#endif