1 files changed, 117 insertions, 0 deletions
diff --git a/src/output/arts.c b/src/output/arts.c
new file mode 100644
index 0000000..04ee02f
--- /dev/null
+++ b/src/output/arts.c
@@ -0,0 +1,117 @@
+/*
+	arts: audio output via aRts Sound Daemon
+
+	copyright 2007-8 by the mpg123 project - free software under the terms of the LGPL 2.1
+	see COPYING and AUTHORS files in distribution or http://mpg123.org
+
+	initially written by Stefan Lenselink (Stefan@lenselink.org)
+*/
+
+
+#include "mpg123app.h"
+#include <artsc.h>
+#include "debug.h"
+
+typedef struct
+{
+	arts_stream_t arse; /* That's short for ARts StrEam;-) */
+} mpg123_arts_t;
+
+static int open_arts(audio_output_t *ao)
+{
+	short bits = 0;
+	if(!ao) return -1;
+
+	if(ao->format < 0)
+	{
+		ao->format = MPG123_ENC_SIGNED_16;
+		ao->rate   = 44100;
+		ao->channels = 2;
+	}
+	/* Trial and error revealed these two formats to work with aRts. */
+	if(ao->format == MPG123_ENC_SIGNED_16) bits = 16;
+	else if(ao->format == MPG123_ENC_UNSIGNED_8) bits = 8;
+	else return -1;
+
+	/* Initialize the aRts lib*/
+	arts_init();
+	/* Open a stream to the aRts server */
+	((mpg123_arts_t*)ao->userptr)->arse = arts_play_stream( ao->rate, bits, ao->channels, "mpg123" );
+	/* Yeah, black box and all... it's still a pointer that is NULL on error. */
+	return (void*)((mpg123_arts_t*)ao->userptr)->arse == NULL ? -1 : 0;
+}
+
+static int get_formats_arts(audio_output_t *ao)
+{
+	/* aRts runs not everything, but any rate. */
+	return MPG123_ENC_SIGNED_16|MPG123_ENC_UNSIGNED_8;
+}
+
+static int write_arts(audio_output_t *ao,unsigned char *buf,int len)
+{
+	/* PIPE the PCM forward to the aRts Sound Daemon */
+	return arts_write( ((mpg123_arts_t*)ao->userptr)->arse , buf, len);
+}
+
+static int close_arts(audio_output_t *ao)
+{
+	/* Close the connection! */
+	arts_close_stream( ((mpg123_arts_t*)ao->userptr)->arse );
+	/* Free the memory allocated*/
+	arts_free();
+	return 0;
+}
+
+static void flush_arts(audio_output_t *ao)
+{
+  /* aRts doesn't have a flush statement! */
+}
+
+static int deinit_arts(audio_output_t* ao)
+{
+	if(ao->userptr)
+	{
+		free(ao->userptr);
+		ao->userptr = NULL;
+	}
+	arts_free();
+	return 0;
+}
+
+static int init_arts(audio_output_t* ao)
+{
+	if (ao==NULL) return -1;
+
+	ao->userptr = malloc(sizeof(mpg123_arts_t));
+	if(ao->userptr == NULL)
+	{
+		error("Out of memory!");
+		return -1;
+	}
+	/* clear it to have a consistent state */
+	memset(ao->userptr, 0, sizeof(mpg123_arts_t));
+	/* Set callbacks */
+	ao->open = open_arts;
+	ao->flush = flush_arts;
+	ao->write = write_arts;
+	ao->get_formats = get_formats_arts;
+	ao->close = close_arts;
+	ao->deinit = deinit_arts;
+	/* Success */
+	return 0;
+}
+
+/*
+	Module information data structure
+*/
+mpg123_module_t mpg123_output_module_info = {
+	/* api_version */	MPG123_MODULE_API_VERSION,
+	/* name */			"arts",
+	/* description */	"Output audio using aRts Sound Daemon",
+	/* revision */		"$Rev: $",
+	/* handle */		NULL,
+	
+	/* init_output */	init_arts,
+};
+
+