--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org>
+ * Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (C) 2008 Victor Lin <bornstub@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
+ * which case the following provisions apply instead of the ones
+ * mentioned above:
+ *
+ * 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-openalsrc
+ * @short_description: record sound from your sound card using OpenAL
+ *
+ * <refsect2>
+ * <para>
+ * This element lets you record sound using the OpenAL
+ * </para>
+ * <title>Example pipelines</title>
+ * <para>
+ * <programlisting>
+ * gst-launch -v openalsrc ! audioconvert ! vorbisenc ! oggmux ! filesink location=mymusic.ogg
+ * </programlisting>
+ * will record sound from your sound card using OpenAL and encode it to an Ogg/Vorbis file
+ * </para>
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <gst/gst.h>
+#include <gst/gsterror.h>
+
+#include "gstopenalsrc.h"
+
+GST_DEBUG_CATEGORY_STATIC (openalsrc_debug);
+
+#define GST_CAT_DEFAULT openalsrc_debug
+
+#define DEFAULT_DEVICE NULL
+#define DEFAULT_DEVICE_NAME NULL
+
+/**
+ Filter signals and args
+**/
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+
+/**
+ Properties
+**/
+enum
+{
+ PROP_0,
+ PROP_DEVICE,
+ PROP_DEVICE_NAME
+};
+
+static GstStaticPadTemplate src_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, "
+ "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]; "
+ "audio/x-raw-int, "
+ "signed = (boolean) TRUE, "
+ "width = (int) 8, "
+ "depth = (int) 8, "
+ "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]")
+ );
+
+GST_BOILERPLATE (GstOpenalSrc, gst_openal_src, GstAudioSrc, GST_TYPE_AUDIO_SRC);
+
+static void gst_openal_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_openal_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static gboolean gst_openal_src_open (GstAudioSrc * src);
+static gboolean
+gst_openal_src_prepare (GstAudioSrc * src, GstRingBufferSpec * spec);
+static gboolean gst_openal_src_unprepare (GstAudioSrc * src);
+static gboolean gst_openal_src_close (GstAudioSrc * src);
+static guint
+gst_openal_src_read (GstAudioSrc * src, gpointer data, guint length);
+static guint gst_openal_src_delay (GstAudioSrc * src);
+static void gst_openal_src_reset (GstAudioSrc * src);
+
+static void gst_openal_src_finalize (GObject * object);
+
+static void
+gst_openal_src_base_init (gpointer gclass)
+{
+
+ GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
+
+ gst_element_class_set_details_simple (element_class, "OpenAL src",
+ "Source/Audio",
+ "OpenAL source capture audio from device",
+ "Victor Lin <bornstub@gmail.com>");
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_factory)
+ );
+}
+
+static void
+gst_openal_src_class_init (GstOpenalSrcClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstAudioSrcClass *gstaudio_src_class;
+
+ gobject_class = G_OBJECT_CLASS (klass);
+ gstaudio_src_class = GST_AUDIO_SRC_CLASS (klass);
+
+ GST_DEBUG_CATEGORY_INIT (openalsrc_debug, "openalsrc",
+ 0, "OpenAL source capture audio from device");
+
+ gobject_class->set_property = gst_openal_src_set_property;
+ gobject_class->get_property = gst_openal_src_get_property;
+ gobject_class->finalize = gst_openal_src_finalize;
+
+ gstaudio_src_class->open = GST_DEBUG_FUNCPTR (gst_openal_src_open);
+ gstaudio_src_class->prepare = GST_DEBUG_FUNCPTR (gst_openal_src_prepare);
+ gstaudio_src_class->unprepare = GST_DEBUG_FUNCPTR (gst_openal_src_unprepare);
+ gstaudio_src_class->close = GST_DEBUG_FUNCPTR (gst_openal_src_close);
+ gstaudio_src_class->read = GST_DEBUG_FUNCPTR (gst_openal_src_read);
+ gstaudio_src_class->delay = GST_DEBUG_FUNCPTR (gst_openal_src_delay);
+ gstaudio_src_class->reset = GST_DEBUG_FUNCPTR (gst_openal_src_reset);
+
+ g_object_class_install_property (gobject_class,
+ PROP_DEVICE,
+ g_param_spec_string ("device",
+ "Device",
+ "Specific capture device to open, NULL indicate default device",
+ DEFAULT_DEVICE, G_PARAM_READWRITE)
+ );
+
+ g_object_class_install_property (gobject_class,
+ PROP_DEVICE_NAME,
+ g_param_spec_string ("device-name",
+ "Device name",
+ "Readable name of device", DEFAULT_DEVICE_NAME, G_PARAM_READABLE)
+ );
+}
+
+static void
+gst_openal_src_init (GstOpenalSrc * osrc, GstOpenalSrcClass * gclass)
+{
+ osrc->deviceName = g_strdup (DEFAULT_DEVICE_NAME);
+ osrc->device = DEFAULT_DEVICE;
+ osrc->deviceHandle = NULL;
+}
+
+static void
+gst_openal_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstOpenalSrc *osrc = GST_OPENAL_SRC (object);
+
+ switch (prop_id) {
+ case PROP_DEVICE:
+ osrc->device = g_value_dup_string (value);
+ break;
+ case PROP_DEVICE_NAME:
+ osrc->deviceName = g_value_dup_string (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_openal_src_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstOpenalSrc *osrc = GST_OPENAL_SRC (object);
+
+ switch (prop_id) {
+ case PROP_DEVICE:
+ g_value_set_string (value, osrc->device);
+ break;
+ case PROP_DEVICE_NAME:
+ g_value_set_string (value, osrc->deviceName);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_openal_src_open (GstAudioSrc * asrc)
+{
+ /* We don't do anything here */
+ return TRUE;
+}
+
+static gboolean
+gst_openal_src_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
+{
+
+ GstOpenalSrc *osrc = GST_OPENAL_SRC (asrc);
+ ALenum format;
+ guint64 bufferSize;
+
+ switch (spec->width) {
+ case 8:
+ format = AL_FORMAT_STEREO8;
+ break;
+ case 16:
+ format = AL_FORMAT_STEREO16;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ bufferSize =
+ spec->buffer_time * spec->rate * spec->bytes_per_sample / 1000000;
+
+ GST_INFO_OBJECT (osrc, "Open device : %s", osrc->deviceName);
+ osrc->deviceHandle =
+ alcCaptureOpenDevice (osrc->device, spec->rate, format, bufferSize);
+
+ if (!osrc->deviceHandle) {
+ GST_ELEMENT_ERROR (osrc,
+ RESOURCE,
+ FAILED,
+ ("Can't open device \"%s\"", osrc->device),
+ ("Can't open device \"%s\"", osrc->device)
+ );
+ return FALSE;
+ }
+
+ osrc->deviceName =
+ g_strdup (alcGetString (osrc->deviceHandle, ALC_DEVICE_SPECIFIER));
+ osrc->bytes_per_sample = spec->bytes_per_sample;
+
+ GST_INFO_OBJECT (osrc, "Start capture");
+ alcCaptureStart (osrc->deviceHandle);
+
+ return TRUE;
+}
+
+static gboolean
+gst_openal_src_unprepare (GstAudioSrc * asrc)
+{
+
+ GstOpenalSrc *osrc = GST_OPENAL_SRC (asrc);
+
+ GST_INFO_OBJECT (osrc, "Close device : %s", osrc->deviceName);
+ if (osrc->deviceHandle) {
+ alcCaptureStop (osrc->deviceHandle);
+ alcCaptureCloseDevice (osrc->deviceHandle);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_openal_src_close (GstAudioSrc * asrc)
+{
+ /* We don't do anything here */
+ return TRUE;
+}
+
+static guint
+gst_openal_src_read (GstAudioSrc * asrc, gpointer data, guint length)
+{
+ GstOpenalSrc *osrc = GST_OPENAL_SRC (asrc);
+ gint samples;
+
+ alcGetIntegerv (osrc->deviceHandle, ALC_CAPTURE_SAMPLES, sizeof (samples),
+ &samples);
+
+ if (samples * osrc->bytes_per_sample > length) {
+ samples = length / osrc->bytes_per_sample;
+ }
+
+ if (samples) {
+ GST_DEBUG_OBJECT (osrc, "Read samples : %d", samples);
+ alcCaptureSamples (osrc->deviceHandle, data, samples);
+ }
+
+ return samples * osrc->bytes_per_sample;
+}
+
+static guint
+gst_openal_src_delay (GstAudioSrc * asrc)
+{
+ GstOpenalSrc *osrc = GST_OPENAL_SRC (asrc);
+ gint samples;
+
+ alcGetIntegerv (osrc->deviceHandle, ALC_CAPTURE_SAMPLES, sizeof (samples),
+ &samples);
+
+ return samples;
+}
+
+static void
+gst_openal_src_reset (GstAudioSrc * asrc)
+{
+ /* We don't do anything here */
+}
+
+static void
+gst_openal_src_finalize (GObject * object)
+{
+ GstOpenalSrc *osrc = GST_OPENAL_SRC (object);
+
+ g_free (osrc->deviceName);
+ g_free (osrc->device);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
--- /dev/null
+/*\r
+ * GStreamer\r
+ * Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org>\r
+ * Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>\r
+ * Copyright (C) 2008 Victor Lin <bornstub@gmail.com>\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the "Software"),\r
+ * to deal in the Software without restriction, including without limitation\r
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,\r
+ * and/or sell copies of the Software, and to permit persons to whom the\r
+ * Software is furnished to do so, subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in\r
+ * all copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\r
+ * DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * Alternatively, the contents of this file may be used under the\r
+ * GNU Lesser General Public License Version 2.1 (the "LGPL"), in\r
+ * which case the following provisions apply instead of the ones\r
+ * mentioned above:\r
+ *\r
+ * This library is free software; you can redistribute it and/or\r
+ * modify it under the terms of the GNU Library General Public\r
+ * License as published by the Free Software Foundation; either\r
+ * version 2 of the License, or (at your option) any later version.\r
+ *\r
+ * This library is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+ * Library General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU Library General Public\r
+ * License along with this library; if not, write to the\r
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,\r
+ * Boston, MA 02111-1307, USA.\r
+ */\r
+\r
+#ifndef __GST_OPENAL_SRC_H__\r
+#define __GST_OPENAL_SRC_H__\r
+\r
+#include <gst/gst.h>\r
+#include <gst/audio/gstaudiosrc.h>\r
+\r
+#ifdef _WIN32\r
+#include <al.h>\r
+#include <alc.h>\r
+#include <alext.h>\r
+#elif defined(__APPLE__)\r
+#include <OpenAL/al.h>\r
+#include <OpenAL/alc.h>\r
+#include <OpenAL/alext.h>\r
+#else\r
+#include <AL/al.h>\r
+#include <AL/alc.h>\r
+#include <AL/alext.h>\r
+#endif\r
+\r
+G_BEGIN_DECLS\r
+\r
+#define GST_TYPE_OPENAL_SRC \\r
+ (gst_openal_src_get_type())\r
+#define GST_OPENAL_SRC(obj) \\r
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENAL_SRC,GstOpenalSrc))\r
+#define GST_OPENAL_SRC_CLASS(klass) \\r
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENAL_SRC,GstOpenalSrcClass))\r
+#define GST_IS_OPENAL_SRC(obj) \\r
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENAL_SRC))\r
+#define GST_IS_OPENAL_SRC_CLASS(klass) \\r
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENAL_SRC))\r
+\r
+typedef struct _GstOpenalSrc GstOpenalSrc;\r
+typedef struct _GstOpenalSrcClass GstOpenalSrcClass;\r
+\r
+struct _GstOpenalSrc {\r
+ GstAudioSrc element;\r
+ GstPad *srcpad;\r
+ gboolean silent;\r
+\r
+ /* readable name of device */\r
+ gchar *deviceName;\r
+ /* name of device to open, default is a NULL pointer to get default device */\r
+ gchar *device;\r
+ /* OpenAL device handle */\r
+ ALCdevice *deviceHandle;\r
+\r
+ guint bytes_per_sample;\r
+};\r
+\r
+struct _GstOpenalSrcClass {\r
+ GstAudioSrcClass parent_class;\r
+};\r
+\r
+GType gst_openal_src_get_type (void);\r
+\r
+G_END_DECLS\r
+\r
+#endif /* __GST_OPENAL_SRC_H__ */\r
projects / platform / upstream / gstreamer.git / commitdiff