-/* GStreamer
- * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000 Wim Taymans <wtay@chello.be>
+/*
+ * GStreamer
+ * Copyright 2005,2006 Zaheer Abbas Merali <zaheerabbas at merali dot org>
+ *
+ * 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:
*
- * gstosxaudiosrc.c:
+ * 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
* Boston, MA 02111-1307, USA.
*/
+/**
+ * SECTION:element-plugin
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * <para>
+ * <programlisting>
+ * gst-launch -v -m osxaudiosrc ! fakesink
+ * </programlisting>
+ * </para>
+ * </refsect2>
+ */
+
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include <config.h>
#endif
-#include <fcntl.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
+#include <gst/gst.h>
#include <CoreAudio/CoreAudio.h>
+#include "gstosxaudiosrc.h"
+#include "gstosxaudioelement.h"
-#include <gstosxaudiosrc.h>
-#include <gstosxaudioelement.h>
+GST_DEBUG_CATEGORY_STATIC (osx_audiosrc_debug);
+#define GST_CAT_DEFAULT osx_audiosrc_debug
-/* elementfactory information */
-static const GstElementDetails gst_osxaudiosrc_details =
-GST_ELEMENT_DETAILS ("Audio Source (Mac OS X)",
+static GstElementDetails gst_osx_audio_src_details =
+GST_ELEMENT_DETAILS ("Audio Source (OSX)",
"Source/Audio",
- "Read from the sound card",
+ "Input from a sound card in OS X",
"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
-
-/* Osxaudiosrc signals and args */
+/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
-static GstStaticPadTemplate osxaudiosrc_src_factory =
-GST_STATIC_PAD_TEMPLATE ("src",
+enum
+{
+ ARG_0,
+ ARG_DEVICE
+};
+
+static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float, "
- "endianness = (int) BYTE_ORDER, "
- "signed = (boolean) TRUE , "
- "width = (int) 32, " "rate = (int) 44100, " "channels = (int) 2")
+ "endianness = (int) {" G_STRINGIFY (G_BYTE_ORDER) " }, "
+ "signed = (boolean) { TRUE }, "
+ "width = (int) 32, "
+ "depth = (int) 32, " "rate = (int) 44100, " "channels = (int) 2")
);
-static void gst_osxaudiosrc_base_init (gpointer g_class);
-static void gst_osxaudiosrc_class_init (GstOsxAudioSrcClass * klass);
-static void gst_osxaudiosrc_init (GstOsxAudioSrc * osxaudiosrc);
-static void gst_osxaudiosrc_dispose (GObject * object);
+static void gst_osx_audio_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_osx_audio_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
-static GstStateChangeReturn gst_osxaudiosrc_change_state (GstElement * element);
-static GstData *gst_osxaudiosrc_get (GstPad * pad);
+static GstRingBuffer *gst_osx_audio_src_create_ringbuffer (GstBaseAudioSrc *
+ src);
+/*static GstCaps* gst_osx_audio_sink_getcaps (GstBaseSink * bsrc);*/
+static void gst_osx_audio_src_osxelement_init (gpointer g_iface,
+ gpointer iface_data);
+OSStatus gst_osx_audio_src_io_proc (AudioDeviceID inDevice,
+ const AudioTimeStamp * inNow, const AudioBufferList * inInputData,
+ const AudioTimeStamp * inInputTime, AudioBufferList * outOutputData,
+ const AudioTimeStamp * inOutputTime, void *inClientData);
-static GstElementClass *parent_class = NULL;
-
-/*static guint gst_osxaudiosrc_signals[LAST_SIGNAL] = { 0 }; */
-
-GType
-gst_osxaudiosrc_get_type (void)
+static void
+gst_osx_audio_src_osxelement_do_init (GType type)
{
- static GType osxaudiosrc_type = 0;
-
- if (!osxaudiosrc_type) {
- static const GTypeInfo osxaudiosrc_info = {
- sizeof (GstOsxAudioSrcClass),
- gst_osxaudiosrc_base_init,
- NULL,
- (GClassInitFunc) gst_osxaudiosrc_class_init,
- NULL,
- NULL,
- sizeof (GstOsxAudioSrc),
- 0,
- (GInstanceInitFunc) gst_osxaudiosrc_init,
- };
-
- osxaudiosrc_type =
- g_type_register_static (GST_TYPE_OSXAUDIOELEMENT, "GstOsxAudioSrc",
- &osxaudiosrc_info, 0);
- }
- return osxaudiosrc_type;
+ static const GInterfaceInfo osxelement_info = {
+ gst_osx_audio_src_osxelement_init,
+ NULL,
+ NULL
+ };
+
+ GST_DEBUG_CATEGORY_INIT (osx_audiosrc_debug, "osxaudiosrc", 0,
+ "OSX Audio Src");
+ GST_DEBUG ("Adding static interface\n");
+ g_type_add_interface_static (type, GST_OSX_AUDIO_ELEMENT_TYPE,
+ &osxelement_info);
}
-static void
-gst_osxaudiosrc_base_init (gpointer g_class)
+GST_BOILERPLATE_FULL (GstOsxAudioSrc, gst_osx_audio_src, GstBaseAudioSrc,
+ GST_TYPE_BASE_AUDIO_SRC, gst_osx_audio_src_osxelement_do_init)
+
+
+ static void gst_osx_audio_src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- gst_element_class_set_details (element_class, &gst_osxaudiosrc_details);
gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&osxaudiosrc_src_factory));
+ gst_static_pad_template_get (&src_factory));
+
+ gst_element_class_set_details (element_class, &gst_osx_audio_src_details);
}
+
+/* initialize the plugin's class */
static void
-gst_osxaudiosrc_class_init (GstOsxAudioSrcClass * klass)
+gst_osx_audio_src_class_init (GstOsxAudioSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
+ GstBaseAudioSrcClass *gstbaseaudiosrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
+ gstbaseaudiosrc_class = (GstBaseAudioSrcClass *) klass;
parent_class = g_type_class_peek_parent (klass);
- gobject_class->dispose = gst_osxaudiosrc_dispose;
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_osx_audio_src_set_property);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_osx_audio_src_get_property);
- gstelement_class->change_state = gst_osxaudiosrc_change_state;
+ g_object_class_install_property (gobject_class, ARG_DEVICE,
+ g_param_spec_int ("device", "Device ID", "Device ID of output device",
+ 0, G_MAXINT, 0, G_PARAM_READWRITE));
+
+ gstbaseaudiosrc_class->create_ringbuffer =
+ GST_DEBUG_FUNCPTR (gst_osx_audio_src_create_ringbuffer);
}
+/* initialize the new element
+ * instantiate pads and add them to element
+ * set functions
+ * initialize structure
+ */
static void
-gst_osxaudiosrc_init (GstOsxAudioSrc * osxaudiosrc)
+gst_osx_audio_src_init (GstOsxAudioSrc * src, GstOsxAudioSrcClass * gclass)
{
- osxaudiosrc->srcpad =
- gst_pad_new_from_template (gst_static_pad_template_get
- (&osxaudiosrc_src_factory), "src");
- gst_pad_set_get_function (osxaudiosrc->srcpad, gst_osxaudiosrc_get);
-
- gst_element_add_pad (GST_ELEMENT (osxaudiosrc), osxaudiosrc->srcpad);
-
+/* GstElementClass *klass = GST_ELEMENT_GET_CLASS (sink); */
+ gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
+ src->ringbuffer = NULL;
+ GST_DEBUG ("Initialising object\n");
+ gst_osx_audio_src_create_ringbuffer (GST_BASE_AUDIO_SRC (src));
}
static void
-gst_osxaudiosrc_dispose (GObject * object)
+gst_osx_audio_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- /* GstOsxAudioSrc *osxaudiosrc = (GstOsxAudioSrc *) object; */
+ GstOsxAudioSrc *src = GST_OSX_AUDIO_SRC (object);
- G_OBJECT_CLASS (parent_class)->dispose (object);
+ switch (prop_id) {
+ case ARG_DEVICE:
+ if (src->ringbuffer)
+ src->ringbuffer->device_id = g_value_get_int (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
-static GstData *
-gst_osxaudiosrc_get (GstPad * pad)
+static void
+gst_osx_audio_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
{
- GstOsxAudioSrc *src;
- GstBuffer *buf;
- glong readbytes;
+ GstOsxAudioSrc *src = GST_OSX_AUDIO_SRC (object);
+ int val = 0;
- src = GST_OSXAUDIOSRC (gst_pad_get_parent (pad));
+ switch (prop_id) {
+ case ARG_DEVICE:
+ if (src->ringbuffer)
+ val = src->ringbuffer->device_id;
- buf = gst_buffer_new_and_alloc ((GST_OSXAUDIOELEMENT (src))->buffer_len);
+ g_value_set_int (value, val);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
- readbytes =
- read_buffer (GST_OSXAUDIOELEMENT (src), (char *) GST_BUFFER_DATA (buf));
+/* GstElement vmethod implementations */
- if (readbytes < 0) {
- gst_buffer_unref (buf);
- GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
- gst_object_unref (src);
- return GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
- }
- if (readbytes == 0) {
- gst_buffer_unref (buf);
- gst_object_unref (src);
- return GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
+/* GstBaseAudioSink vmethod implementations */
+static GstRingBuffer *
+gst_osx_audio_src_create_ringbuffer (GstBaseAudioSrc * src)
+{
+ GstOsxAudioSrc *osxsrc;
+
+ osxsrc = GST_OSX_AUDIO_SRC (src);
+ if (!osxsrc->ringbuffer) {
+ GST_DEBUG ("Creating ringbuffer\n");
+ osxsrc->ringbuffer = g_object_new (GST_TYPE_OSX_RING_BUFFER, NULL);
+ GST_DEBUG ("osx src 0x%x element 0x%x ioproc 0x%x\n", osxsrc,
+ GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsrc),
+ (void *) gst_osx_audio_src_io_proc);
+ osxsrc->ringbuffer->element = GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsrc);
}
- GST_BUFFER_SIZE (buf) = readbytes;
- GST_BUFFER_OFFSET (buf) = src->curoffset;
-
- src->curoffset += readbytes;
+ return GST_RING_BUFFER (osxsrc->ringbuffer);
+}
- GST_DEBUG ("pushed buffer from soundcard of %ld bytes", readbytes);
+OSStatus
+gst_osx_audio_src_io_proc (AudioDeviceID inDevice, const AudioTimeStamp * inNow,
+ const AudioBufferList * inInputData, const AudioTimeStamp * inInputTime,
+ AudioBufferList * outOutputData, const AudioTimeStamp * inOutputTime,
+ void *inClientData)
+{
+ GstOsxRingBuffer *buf = GST_OSX_RING_BUFFER (inClientData);
- gst_object_unref (src);
+ guint8 *writeptr;
+ gint writeseg;
+ gint len;
- return GST_DATA (buf);
-}
+ if (gst_ring_buffer_prepare_read (GST_RING_BUFFER (buf), &writeseg, &writeptr,
+ &len)) {
-static GstStateChangeReturn
-gst_osxaudiosrc_change_state (GstElement * element, GstStateChange transition)
-{
- GstOsxAudioSrc *osxaudiosrc = GST_OSXAUDIOSRC (element);
- OSErr status;
+ memcpy (writeptr, (char *) inInputData->mBuffers[0].mData, len);
- GST_DEBUG ("osxaudiosrc: state change");
+ /* clear written samples */
+ /*gst_ring_buffer_clear (GST_RING_BUFFER(buf), writeseg); */
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- osxaudiosrc->curoffset = 0;
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- status =
- AudioDeviceStart (GST_OSXAUDIOELEMENT (osxaudiosrc)->device_id,
- inputAudioDeviceIOProc);
- if (status)
- GST_DEBUG ("AudioDeviceStart returned %d\n", (int) status);
- break;
- case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
- status =
- AudioDeviceStop (GST_OSXAUDIOELEMENT (osxaudiosrc)->device_id,
- inputAudioDeviceIOProc);
- if (status)
- GST_DEBUG ("AudioDeviceStop returned %d\n", (int) status);
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- break;
- default:
- break;
+ /* we wrote one segment */
+ gst_ring_buffer_advance (GST_RING_BUFFER (buf), 1);
}
+ return 0;
+}
- if (GST_ELEMENT_CLASS (parent_class)->change_state)
- return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+static void
+gst_osx_audio_src_osxelement_init (gpointer g_iface, gpointer iface_data)
+{
+ GstOsxAudioElementInterface *iface = (GstOsxAudioElementInterface *) g_iface;
- return GST_STATE_CHANGE_SUCCESS;
+ iface->io_proc = gst_osx_audio_src_io_proc;
}
-/* GStreamer
- * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000 Wim Taymans <wtay@chello.be>
+/*
+ * GStreamer
+ * Copyright 2005-2006 Zaheer Abbas Merali <zaheerabbas at merali dot org>
+ *
+ * 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:
*
- * gstosxaudiosrc.h:
+ * 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
* Boston, MA 02111-1307, USA.
*/
-
#ifndef __GST_OSXAUDIOSRC_H__
#define __GST_OSXAUDIOSRC_H__
-
#include <gst/gst.h>
-#include "gstosxaudioelement.h"
+#include <gst/audio/gstbaseaudiosrc.h>
+#include "gstosxringbuffer.h"
G_BEGIN_DECLS
-#define GST_TYPE_OSXAUDIOSRC \
- (gst_osxaudiosrc_get_type())
-#define GST_OSXAUDIOSRC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSXAUDIOSRC,GstOsxAudioSrc))
-#define GST_OSXAUDIOSRC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSXAUDIOSRC,GstOsxAudioSrcClass))
-#define GST_IS_OSXAUDIOSRC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSXAUDIOSRC))
-#define GST_IS_OSXAUDIOSRC_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSXAUDIOSRC))
+/* #defines don't like whitespacey bits */
+#define GST_TYPE_OSX_AUDIO_SRC \
+ (gst_osx_audio_src_get_type())
+#define GST_OSX_AUDIO_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSX_AUDIO_SRC,GstOsxAudioSrc))
+#define GST_OSX_AUDIO_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSX_AUDIO_SRC,GstOsxAudioSrcClass))
-typedef enum {
- GST_OSXAUDIOSRC_OPEN = (GST_ELEMENT_FLAG_LAST << 0),
-
- GST_OSXAUDIOSRC_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2)
-} GstOsxAudioSrcFlags;
-
-typedef struct _GstOsxAudioSrc GstOsxAudioSrc;
+typedef struct _GstOsxAudioSrc GstOsxAudioSrc;
typedef struct _GstOsxAudioSrcClass GstOsxAudioSrcClass;
-struct _GstOsxAudioSrc {
- GstOsxAudioElement element;
-
- /* pads */
- GstPad *srcpad;
-
- gboolean need_eos; /* Do we need to emit an EOS? */
-
- /* blocking */
- gulong curoffset;
- gulong buffersize;
+struct _GstOsxAudioSrc
+{
+ GstBaseAudioSrc src;
+ GstOsxRingBuffer *ringbuffer;
};
-struct _GstOsxAudioSrcClass {
- GstOsxAudioElementClass parent_class;
+struct _GstOsxAudioSrcClass
+{
+ GstBaseAudioSrcClass parent_class;
};
-GType gst_osxaudiosrc_get_type(void);
+GType gst_osx_audio_src_get_type (void);
G_END_DECLS
projects / platform / upstream / gst-plugins-good.git / commitdiff