summaryrefslogtreecommitdiffstats
path: root/sys/sunaudio/gstsunaudiosrc.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/sunaudio/gstsunaudiosrc.c')
-rw-r--r--sys/sunaudio/gstsunaudiosrc.c400
1 files changed, 400 insertions, 0 deletions
diff --git a/sys/sunaudio/gstsunaudiosrc.c b/sys/sunaudio/gstsunaudiosrc.c
new file mode 100644
index 00000000..b014a704
--- /dev/null
+++ b/sys/sunaudio/gstsunaudiosrc.c
@@ -0,0 +1,400 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000,2005 Wim Taymans <wim@fluendo.com>
+ *
+ * gstsunaudiosrc.c:
+ *
+ * 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 Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * SECTION:element-sunaudiosrc
+ *
+ * <refsect2>
+ * <para>
+ * sunaudiosrc is an audio source designed to work with the Sun Audio
+ * interface available in Solaris.
+ * </para>
+ * <title>Example launch line</title>
+ * <para>
+ * <programlisting>
+ *
+ * gst-launch sunaudiosrc ! filesink location=outfile
+ * </programlisting>
+ * </para>
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <stropts.h>
+
+#include "gstsunaudiosrc.h"
+
+static GstElementDetails plugin_details =
+GST_ELEMENT_DETAILS ("Sun Audio Source",
+ "Source/Audio",
+ "Audio source for Sun Audio devices",
+ "Brian Cameron <brian.cameron@sun.com>");
+
+static void gst_sunaudiosrc_base_init (gpointer g_class);
+static void gst_sunaudiosrc_class_init (GstSunAudioSrcClass * klass);
+static void gst_sunaudiosrc_init (GstSunAudioSrc * sunaudiosrc,
+ GstSunAudioSrcClass * g_class);
+static void gst_sunaudiosrc_dispose (GObject * object);
+
+static void gst_sunaudiosrc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_sunaudiosrc_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static GstCaps *gst_sunaudiosrc_getcaps (GstBaseSrc * bsrc);
+
+static gboolean gst_sunaudiosrc_open (GstAudioSrc * asrc);
+static gboolean gst_sunaudiosrc_close (GstAudioSrc * asrc);
+static gboolean gst_sunaudiosrc_prepare (GstAudioSrc * asrc,
+ GstRingBufferSpec * spec);
+static gboolean gst_sunaudiosrc_unprepare (GstAudioSrc * asrc);
+static guint gst_sunaudiosrc_read (GstAudioSrc * asrc, gpointer data,
+ guint length);
+static guint gst_sunaudiosrc_delay (GstAudioSrc * asrc);
+static void gst_sunaudiosrc_reset (GstAudioSrc * asrc);
+
+#define DEFAULT_DEVICE "/dev/audio"
+#define DEFAULT_DEVICE_NAME ""
+
+enum
+{
+ PROP_0,
+ PROP_DEVICE,
+ PROP_DEVICE_NAME,
+};
+
+GST_BOILERPLATE_WITH_INTERFACE (GstSunAudioSrc, gst_sunaudiosrc,
+ GstAudioSrc, GST_TYPE_AUDIO_SRC, GstMixer, GST_TYPE_MIXER, gst_sunaudiosrc)
+
+ GST_IMPLEMENT_SUNAUDIO_MIXER_CTRL_METHODS (GstSunAudioSrc, gst_sunaudiosrc)
+
+ static GstStaticPadTemplate gst_sunaudiosrc_factory =
+ GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "endianness = (int) BYTE_ORDER, "
+ "signed = (boolean) TRUE, " "width = (int) 16, " "depth = (int) 16, "
+ /* [5510,48000] seems to be a Solaris limit */
+ "rate = (int) [ 5510, 48000 ], " "channels = (int) [ 1, 2 ]")
+ );
+
+ static void gst_sunaudiosrc_dispose (GObject * object)
+{
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gst_sunaudiosrc_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_sunaudiosrc_factory));
+ gst_element_class_set_details (element_class, &plugin_details);
+}
+
+static void
+gst_sunaudiosrc_class_init (GstSunAudioSrcClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSrcClass *gstbasesrc_class;
+ GstBaseAudioSrcClass *gstbaseaudiosrc_class;
+ GstAudioSrcClass *gstaudiosrc_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesrc_class = (GstBaseSrcClass *) klass;
+ gstbaseaudiosrc_class = (GstBaseAudioSrcClass *) klass;
+ gstaudiosrc_class = (GstAudioSrcClass *) klass;
+
+ gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_dispose);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_sunaudiosrc_get_property);
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_sunaudiosrc_set_property);
+
+ gstbasesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_getcaps);
+
+ gstaudiosrc_class->open = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_open);
+ gstaudiosrc_class->prepare = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_prepare);
+ gstaudiosrc_class->unprepare = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_unprepare);
+ gstaudiosrc_class->close = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_close);
+ gstaudiosrc_class->read = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_read);
+ gstaudiosrc_class->delay = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_delay);
+ gstaudiosrc_class->reset = GST_DEBUG_FUNCPTR (gst_sunaudiosrc_reset);
+
+ g_object_class_install_property (gobject_class, PROP_DEVICE,
+ g_param_spec_string ("device", "Device",
+ "SunAudio device (usually /dev/audio)", DEFAULT_DEVICE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class, PROP_DEVICE_NAME,
+ g_param_spec_string ("device-name", "Device name",
+ "Human-readable name of the sound device", DEFAULT_DEVICE_NAME,
+ G_PARAM_READABLE));
+}
+
+static void
+gst_sunaudiosrc_init (GstSunAudioSrc * sunaudiosrc,
+ GstSunAudioSrcClass * g_class)
+{
+ const char *audiodev;
+
+ GST_DEBUG_OBJECT (sunaudiosrc, "initializing sunaudiosrc");
+
+ sunaudiosrc->fd = -1;
+
+ audiodev = g_getenv ("AUDIODEV");
+ if (audiodev == NULL)
+ audiodev = DEFAULT_DEVICE;
+ sunaudiosrc->device = g_strdup (audiodev);
+
+ sunaudiosrc->device_name = g_strdup (DEFAULT_DEVICE_NAME);
+}
+
+static void
+gst_sunaudiosrc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstSunAudioSrc *sunaudiosrc;
+
+ sunaudiosrc = GST_SUNAUDIO_SRC (object);
+
+ switch (prop_id) {
+ case PROP_DEVICE:
+ if (sunaudiosrc->device)
+ g_free (sunaudiosrc->device);
+ sunaudiosrc->device = g_value_dup_string (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_sunaudiosrc_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstSunAudioSrc *sunaudiosrc;
+
+ sunaudiosrc = GST_SUNAUDIO_SRC (object);
+
+ switch (prop_id) {
+ case PROP_DEVICE:
+ g_value_set_string (value, sunaudiosrc->device);
+ break;
+ case PROP_DEVICE_NAME:
+ g_value_set_string (value, sunaudiosrc->device_name);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GstCaps *
+gst_sunaudiosrc_getcaps (GstBaseSrc * bsrc)
+{
+ GstPadTemplate *pad_template;
+ GstCaps *caps = NULL;
+ GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIO_SRC (bsrc);
+
+ GST_DEBUG_OBJECT (sunaudiosrc, "getcaps called");
+
+ pad_template = gst_static_pad_template_get (&gst_sunaudiosrc_factory);
+ caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));
+
+ gst_object_unref (pad_template);
+
+ return caps;
+}
+
+static gboolean
+gst_sunaudiosrc_open (GstAudioSrc * asrc)
+{
+ GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIO_SRC (asrc);
+ int fd, ret;
+
+ fd = open (sunaudiosrc->device, O_RDWR);
+
+ if (fd == -1) {
+ GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, OPEN_READ, (NULL),
+ ("can't open connection to Sun Audio device %s", sunaudiosrc->device));
+
+ return FALSE;
+ }
+
+ sunaudiosrc->fd = fd;
+
+ ret = ioctl (fd, AUDIO_GETDEV, &sunaudiosrc->dev);
+ if (ret == -1) {
+ GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, SETTINGS, (NULL), ("%s",
+ strerror (errno)));
+ return FALSE;
+ }
+
+ GST_DEBUG_OBJECT (sunaudiosrc, "name %s", sunaudiosrc->dev.name);
+ GST_DEBUG_OBJECT (sunaudiosrc, "version %s", sunaudiosrc->dev.version);
+ GST_DEBUG_OBJECT (sunaudiosrc, "config %s", sunaudiosrc->dev.config);
+
+ ret = ioctl (fd, AUDIO_GETINFO, &sunaudiosrc->info);
+ if (ret == -1) {
+ GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, SETTINGS, (NULL), ("%s",
+ strerror (errno)));
+ return FALSE;
+ }
+
+ GST_DEBUG_OBJECT (sunaudiosrc, "monitor_gain %d",
+ sunaudiosrc->info.monitor_gain);
+ GST_DEBUG_OBJECT (sunaudiosrc, "output_muted %d",
+ sunaudiosrc->info.output_muted);
+ GST_DEBUG_OBJECT (sunaudiosrc, "hw_features %08x",
+ sunaudiosrc->info.hw_features);
+ GST_DEBUG_OBJECT (sunaudiosrc, "sw_features %08x",
+ sunaudiosrc->info.sw_features);
+ GST_DEBUG_OBJECT (sunaudiosrc, "sw_features_enabled %08x",
+ sunaudiosrc->info.sw_features_enabled);
+
+ if (!sunaudiosrc->mixer) {
+ const char *audiodev;
+
+ audiodev = g_getenv ("AUDIODEV");
+ if (audiodev == NULL) {
+ sunaudiosrc->mixer = gst_sunaudiomixer_ctrl_new ("/dev/audioctl");
+ } else {
+ gchar *device = g_strdup_printf ("/dev/%sctl", audiodev);
+
+ sunaudiosrc->mixer = gst_sunaudiomixer_ctrl_new (device);
+ g_free (device);
+ }
+ sunaudiosrc->device_name = g_strdup (sunaudiosrc->mixer->device);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_sunaudiosrc_close (GstAudioSrc * asrc)
+{
+ GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIO_SRC (asrc);
+
+ close (sunaudiosrc->fd);
+ sunaudiosrc->fd = -1;
+
+ if (sunaudiosrc->mixer) {
+ gst_sunaudiomixer_ctrl_free (sunaudiosrc->mixer);
+ sunaudiosrc->mixer = NULL;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_sunaudiosrc_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
+{
+ GstSunAudioSrc *sunaudiosrc = GST_SUNAUDIO_SRC (asrc);
+ audio_info_t ainfo;
+ int ret;
+ int ctrl_fd = -1;
+ int ports;
+
+ ret = ioctl (sunaudiosrc->fd, AUDIO_GETINFO, &ainfo);
+ if (ret == -1) {
+ GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, SETTINGS, (NULL), ("%s",
+ strerror (errno)));
+ return FALSE;
+ }
+
+ if (spec->width != 16)
+ return FALSE;
+
+ AUDIO_INITINFO (&ainfo);
+
+ ainfo.record.sample_rate = spec->rate;
+ ainfo.record.precision = spec->width;
+ ainfo.record.channels = spec->channels;
+ ainfo.record.encoding = AUDIO_ENCODING_LINEAR;
+ ainfo.record.buffer_size = spec->buffer_time;
+
+ GstSunAudioMixerCtrl *mixer = sunaudiosrc->mixer;
+ struct audio_info audioinfo;
+
+ if (ioctl (mixer->mixer_fd, AUDIO_GETINFO, &audioinfo) < 0) {
+ g_warning ("Error getting audio device volume");
+ }
+ ainfo.record.port = audioinfo.record.port;
+ ainfo.record.gain = audioinfo.record.gain;
+ ainfo.record.balance = audioinfo.record.balance;
+
+ spec->segsize = 128;
+ spec->segtotal = spec->buffer_time / 128;
+
+ spec->silence_sample[0] = 0;
+ spec->silence_sample[1] = 0;
+ spec->silence_sample[2] = 0;
+ spec->silence_sample[3] = 0;
+
+ ret = ioctl (sunaudiosrc->fd, AUDIO_SETINFO, &ainfo);
+ if (ret == -1) {
+ GST_ELEMENT_ERROR (sunaudiosrc, RESOURCE, SETTINGS, (NULL), ("%s",
+ strerror (errno)));
+ return FALSE;
+ }
+
+
+ ioctl (sunaudiosrc->fd, I_FLUSH, FLUSHR);
+
+ return TRUE;
+}
+
+static gboolean
+gst_sunaudiosrc_unprepare (GstAudioSrc * asrc)
+{
+ return TRUE;
+}
+
+static guint
+gst_sunaudiosrc_read (GstAudioSrc * asrc, gpointer data, guint length)
+{
+ return read (GST_SUNAUDIO_SRC (asrc)->fd, data, length);
+}
+
+static guint
+gst_sunaudiosrc_delay (GstAudioSrc * asrc)
+{
+ return 0;
+}
+
+static void
+gst_sunaudiosrc_reset (GstAudioSrc * asrc)
+{
+ return;
+}