aRts audio out support by Michele Balistreri <brain at email.it>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6215 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 117 insertions, 0 deletions

diff --git a/libao2/ao_arts.c b/libao2/ao_arts.c
new file mode 100644
index 0000000000..6fa6b88cf0
--- /dev/null
+++ b/libao2/ao_arts.c
@@ -0,0 +1,117 @@
+/*
+ * ao_arts - aRts audio output driver for MPlayer
+ *
+ * Michele Balistreri <brain87@gmx.net>
+ *
+ * This driver is distribuited under terms of GPL
+ *
+ */
+
+#include <artsc.h>
+#include <stdio.h>
+
+#include "audio_out.h"
+#include "audio_out_internal.h"
+#include "afmt.h"
+#include "../config.h"
+#include "../mp_msg.h"
+
+#define OBTAIN_BITRATE(a) (((a != AFMT_U8) || (a != AFMT_S8)) ? 16 : 8)
+
+static arts_stream_t stream;
+
+static ao_info_t info =
+{
+    "aRts audio output",
+    "arts",
+    "Michele Balistreri <brain87@gmx.net>",
+    ""
+};
+
+LIBAO_EXTERN(arts)
+
+static int control(int cmd, int arg)
+{
+	return(CONTROL_UNKNOWN);
+}
+
+static int init(int rate_hz, int channels, int format, int flags)
+{
+	int err;
+	int frag_spec;
+
+	if(err=arts_init()) {
+		mp_msg(MSGT_AO, MSGL_ERR, "AO: [arts] %s\n", arts_error_text(err));
+		return 0;
+	}
+
+	else
+		mp_msg(MSGT_AO, MSGL_INFO, "AO: [arts] Connected to sound server\n");
+
+	ao_data.format = format;
+	ao_data.channels = channels;
+	ao_data.samplerate = rate_hz;
+	ao_data.bps = (rate_hz*channels);
+	ao_data.buffersize = 4096;
+
+	if(format != AFMT_U8 && format != AFMT_S8)
+		ao_data.bps*=2;
+
+	for (frag_spec = 0; (0x01<<frag_spec) < ao_data.buffersize; ++frag_spec)
+		;
+	frag_spec |= 0x00020000;
+	stream=arts_play_stream(rate_hz, OBTAIN_BITRATE(format), channels, "Mplayer");
+	arts_stream_set(stream, ARTS_P_PACKET_SETTINGS, frag_spec);
+	arts_stream_set(stream, ARTS_P_BLOCKING, 0);
+
+	if(stream == NULL) {
+		mp_msg(MSGT_AO, MSGL_ERR, "AO: [arts] Unable to open a stream\n");
+		return 0;
+	}
+
+	else
+		mp_msg(MSGT_AO, MSGL_INFO, "AO: [arts] Stream opened\n");
+
+
+	return 1;
+}
+
+static void uninit()
+{
+	arts_close_stream(stream);
+	arts_free();
+}
+
+static int play(void* data,int len,int flags)
+{
+	arts_write(stream, data, len);
+}
+
+static void audio_pause()
+{
+}
+
+static void audio_resume()
+{
+}
+
+static void reset()
+{
+}
+
+static int get_space()
+{
+	return arts_stream_get(stream, ARTS_P_BUFFER_SPACE);
+}
+
+static float get_delay()
+{
+	return ((float) arts_stream_get(stream, ARTS_P_BUFFER_SIZE) / (float) ao_data.bps);
+}
+
+
+
+
+
+
+