Commit 4d7d9b1a authored by Zaheer Abbas Merali's avatar Zaheer Abbas Merali
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Forgot to commit, quick commit be4 apple dies

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Forgot to commit, quick commit be4 apple dies
parent d5296f28
/*
* GStreamer
* Copyright 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:
*
* 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.
*/
#include <CoreAudio/CoreAudio.h>
#include <gst/gst.h>
#include "gstosxringbuffer.h"
GST_DEBUG_CATEGORY_STATIC (osx_audio_debug);
#define GST_CAT_DEFAULT osx_audio_debug
static void gst_osx_ring_buffer_class_init (GstOsxRingBufferClass * klass);
static void gst_osx_ring_buffer_init (GstOsxRingBuffer * ringbuffer,
GstOsxRingBufferClass * g_class);
static void gst_osx_ring_buffer_dispose (GObject * object);
static void gst_osx_ring_buffer_finalize (GObject * object);
static gboolean gst_osx_ring_buffer_open_device (GstRingBuffer * buf);
static gboolean gst_osx_ring_buffer_close_device (GstRingBuffer * buf);
static gboolean gst_osx_ring_buffer_acquire (GstRingBuffer * buf,
GstRingBufferSpec * spec);
static gboolean gst_osx_ring_buffer_release (GstRingBuffer * buf);
/* static gboolean gst_osx_ring_buffer_device_is_acquired (GstRingBuffer * buf); */
static gboolean gst_osx_ring_buffer_start (GstRingBuffer * buf);
static gboolean gst_osx_ring_buffer_pause (GstRingBuffer * buf);
static gboolean gst_osx_ring_buffer_stop (GstRingBuffer * buf);
static guint gst_osx_ring_buffer_delay (GstRingBuffer * buf);
static GstRingBufferClass *ring_parent_class = NULL;
/* ringbuffer abstract base class */
GType
gst_osx_ring_buffer_get_type (void)
{
static GType ringbuffer_type = 0;
if (!ringbuffer_type) {
static const GTypeInfo ringbuffer_info = {
sizeof (GstOsxRingBufferClass),
NULL,
NULL,
(GClassInitFunc) gst_osx_ring_buffer_class_init,
NULL,
NULL,
sizeof (GstOsxRingBuffer),
0,
(GInstanceInitFunc) gst_osx_ring_buffer_init,
NULL
};
GST_DEBUG_CATEGORY_INIT (osx_audio_debug, "osxaudio", 0,
"OSX Audio Elements");
GST_DEBUG ("Creating osx ring buffer type\n");
ringbuffer_type =
g_type_register_static (GST_TYPE_RING_BUFFER, "GstOsxRingBuffer",
&ringbuffer_info, 0);
}
return ringbuffer_type;
}
static void
gst_osx_ring_buffer_class_init (GstOsxRingBufferClass * klass)
{
GObjectClass *gobject_class;
GstObjectClass *gstobject_class;
GstRingBufferClass *gstringbuffer_class;
gobject_class = (GObjectClass *) klass;
gstobject_class = (GstObjectClass *) klass;
gstringbuffer_class = (GstRingBufferClass *) klass;
ring_parent_class = g_type_class_peek_parent (klass);
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_dispose);
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_finalize);
gstringbuffer_class->open_device =
GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_open_device);
gstringbuffer_class->close_device =
GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_close_device);
gstringbuffer_class->acquire =
GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_acquire);
gstringbuffer_class->release =
GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_release);
gstringbuffer_class->start = GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_start);
gstringbuffer_class->pause = GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_pause);
gstringbuffer_class->resume = GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_start);
gstringbuffer_class->stop = GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_stop);
gstringbuffer_class->delay = GST_DEBUG_FUNCPTR (gst_osx_ring_buffer_delay);
GST_DEBUG ("osx ring buffer class init\n");
}
static void
gst_osx_ring_buffer_init (GstOsxRingBuffer * ringbuffer,
GstOsxRingBufferClass * g_class)
{
OSStatus status;
UInt32 propertySize;
/* currently do bugger all */
GST_DEBUG ("osx ring buffer init\n");
propertySize = sizeof (ringbuffer->device_id);
status =
AudioHardwareGetProperty (kAudioHardwarePropertyDefaultOutputDevice,
&propertySize, &(ringbuffer->device_id));
GST_DEBUG ("osx ring buffer called AudioHardwareGetProperty\n");
if (status) {
GST_DEBUG ("AudioHardwareGetProperty returned %d\n", (int) status);
} else {
GST_DEBUG ("AudioHardwareGetProperty returned 0\n");
}
if (ringbuffer->device_id == kAudioDeviceUnknown) {
GST_DEBUG ("AudioHardwareGetProperty: device_id is kAudioDeviceUnknown\n");
}
GST_DEBUG ("AudioHardwareGetProperty: device_id is %d\n",
ringbuffer->device_id);
/* get requested buffer length */
propertySize = sizeof (ringbuffer->buffer_len);
status =
AudioDeviceGetProperty (ringbuffer->device_id, 0, false,
kAudioDevicePropertyBufferSize, &propertySize, &ringbuffer->buffer_len);
if (status) {
GST_DEBUG
("AudioDeviceGetProperty returned %d when getting kAudioDevicePropertyBufferSize\n",
(int) status);
}
GST_DEBUG ("%5d ringbuffer->buffer_len\n", (int) ringbuffer->buffer_len);
}
static void
gst_osx_ring_buffer_dispose (GObject * object)
{
G_OBJECT_CLASS (ring_parent_class)->dispose (object);
}
static void
gst_osx_ring_buffer_finalize (GObject * object)
{
G_OBJECT_CLASS (ring_parent_class)->finalize (object);
}
static gboolean
gst_osx_ring_buffer_open_device (GstRingBuffer * buf)
{
/* stub, we need to open device..maybe do nothing */
return TRUE;
}
static gboolean
gst_osx_ring_buffer_close_device (GstRingBuffer * buf)
{
/* stub, we need to close device..maybe do nothing */
return TRUE;
}
static gboolean
gst_osx_ring_buffer_acquire (GstRingBuffer * buf, GstRingBufferSpec * spec)
{
/* stub, we need to allocate ringbuffer memory */
GstOsxRingBuffer *osxbuf;
osxbuf = GST_OSX_RING_BUFFER (buf);
spec->segsize = osxbuf->buffer_len;
spec->segtotal = 16;
GST_DEBUG ("osx ring buffer acquire\n");
buf->data = gst_buffer_new_and_alloc (spec->segtotal * spec->segsize);
memset (GST_BUFFER_DATA (buf->data), 0, GST_BUFFER_SIZE (buf->data));
return TRUE;
}
static gboolean
gst_osx_ring_buffer_release (GstRingBuffer * buf)
{
/* stub, we need to deallocate ringbuffer memory */
GstOsxRingBuffer *osxbuf;
osxbuf = GST_OSX_RING_BUFFER (buf);
gst_buffer_unref (buf->data);
buf->data = NULL;
return TRUE;
}
static gboolean
gst_osx_ring_buffer_start (GstRingBuffer * buf)
{
/* stub */
OSErr status;
GstOsxRingBuffer *osxbuf;
osxbuf = GST_OSX_RING_BUFFER (buf);
GST_DEBUG ("osx ring buffer start ioproc: 0x%x device_id %d\n",
osxbuf->element->io_proc, osxbuf->device_id);
status =
AudioDeviceAddIOProc (osxbuf->device_id, osxbuf->element->io_proc,
osxbuf);
if (status) {
GST_DEBUG ("AudioDeviceAddIOProc returned %d\n", (int) status);
return FALSE;
}
status = AudioDeviceStart (osxbuf->device_id, osxbuf->element->io_proc);
if (status) {
GST_DEBUG ("AudioDeviceStart returned %d\n", (int) status);
return FALSE;
}
return TRUE;
}
static gboolean
gst_osx_ring_buffer_pause (GstRingBuffer * buf)
{
/* stub */
/* stop callback */
OSErr status;
GstOsxRingBuffer *osxbuf = GST_OSX_RING_BUFFER (buf);
status = AudioDeviceStop (osxbuf->device_id, osxbuf->element->io_proc);
if (status)
GST_DEBUG ("AudioDeviceStop returned %d\n", (int) status);
return TRUE;
}
static gboolean
gst_osx_ring_buffer_stop (GstRingBuffer * buf)
{
/* stub */
OSErr status;
GstOsxRingBuffer *osxbuf;
osxbuf = GST_OSX_RING_BUFFER (buf);
/* stop callback */
status = AudioDeviceStop (osxbuf->device_id, osxbuf->element->io_proc);
if (status)
GST_DEBUG ("AudioDeviceStop returned %d\n", (int) status);
status =
AudioDeviceRemoveIOProc (osxbuf->device_id, osxbuf->element->io_proc);
if (status)
GST_DEBUG ("AudioDeviceRemoveIOProc " "returned %d\n", (int) status);
return TRUE;
}
static guint
gst_osx_ring_buffer_delay (GstRingBuffer * buf)
{
/* stub */
return 0;
}
/*
* GStreamer
* Copyright 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:
*
* 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.
*/
#ifndef __GST_OSX_RING_BUFFER_H__
#define __GST_OSX_RING_BUFFER_H__
#include <gst/gst.h>
#include <gst/audio/gstringbuffer.h>
#include <CoreAudio/CoreAudio.h>
#include "gstosxaudioelement.h"
G_BEGIN_DECLS
#define GST_TYPE_OSX_RING_BUFFER (gst_osx_ring_buffer_get_type())
#define GST_OSX_RING_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSX_RING_BUFFER,GstOsxRingBuffer))
#define GST_OSX_RING_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSX_RING_BUFFER,GstOsxRingBufferClass))
#define GST_OSX_RING_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OSX_RING_BUFFER,GstOsxRingBufferClass))
#define GST_IS_OSX_RING_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSX_RING_BUFFER))
#define GST_IS_OSX_RING_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSX_RING_BUFFER))
typedef struct _GstOsxRingBuffer GstOsxRingBuffer;
typedef struct _GstOsxRingBufferClass GstOsxRingBufferClass;
struct _GstOsxRingBuffer {
GstRingBuffer object;
AudioDeviceID device_id;
guint buffer_len;
GstOsxAudioElementInterface* element;
};
struct _GstOsxRingBufferClass {
GstRingBufferClass parent_class;
};
GType gst_osx_ring_buffer_get_type (void);
G_END_DECLS
#endif
\ No newline at end of file
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