mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-27 04:01:08 +00:00
Code Issues 1 Projects Releases Wiki Activity

osxaudio: add a façade for the CoreAudio API

Browse source
This commit is contained in:
Andoni Morales Alastruey 2013-03-05 21:17:52 +01:00 committed by Sebastian Dröge
parent 400222e29f
commit 9621074006
10 changed files with 2161 additions and 1669 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sys/osxaudio/Makefile.am
View file

@ -4,6 +4,8 @@ libgstosxaudio_la_SOURCES = gstosxringbuffer.c \
gstosxaudioelement.c \
gstosxaudiosink.c \
gstosxaudiosrc.c \
gstosxcoreaudiocommon.c \
gstosxcoreaudio.c \
gstosxaudio.c
libgstosxaudio_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) \
@ -21,7 +23,9 @@ noinst_HEADERS = gstosxaudiosink.h \
gstosxaudioelement.h \
gstosxringbuffer.h \
gstosxaudiosrc.h \
gstosxcoreaudio.h
gstosxcoreaudiocommon.h \
gstosxcoreaudio.h \
gstosxcoreaudiohal.c

118
sys/osxaudio/gstosxaudiosink.c
View file

@ -69,8 +69,6 @@
#include <gst/gst.h>
#include <gst/audio/multichannel.h>
#include <gst/audio/gstaudioiec61937.h>
#include <CoreAudio/CoreAudio.h>
#include <CoreAudio/AudioHardware.h>
#include "gstosxaudiosink.h"
#include "gstosxaudioelement.h"
@ -171,6 +169,7 @@ gst_osx_audio_sink_do_init (GType type)
GST_DEBUG_CATEGORY_INIT (osx_audiosink_debug, "osxaudiosink", 0,
"OSX Audio Sink");
gst_core_audio_init_debug ();
GST_DEBUG ("Adding static interface");
g_type_add_interface_static (type, GST_OSX_AUDIO_ELEMENT_TYPE,
&osxelement_info);
@ -425,19 +424,22 @@ gst_osx_audio_sink_create_ringbuffer (GstBaseAudioSink * sink)
osxsink = GST_OSX_AUDIO_SINK (sink);
if (!gst_osx_audio_sink_select_device (osxsink)) {
GST_ERROR_OBJECT (sink, "Could not select device");
return NULL;
}
GST_DEBUG ("Creating ringbuffer");
GST_DEBUG_OBJECT (sink, "Creating ringbuffer");
ringbuffer = g_object_new (GST_TYPE_OSX_RING_BUFFER, NULL);
GST_DEBUG ("osx sink %p element %p ioproc %p", osxsink,
GST_DEBUG_OBJECT (sink, "osx sink %p element %p ioproc %p", osxsink,
GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsink),
(void *) gst_osx_audio_sink_io_proc);
gst_osx_audio_sink_set_volume (osxsink);
ringbuffer->element = GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsink);
ringbuffer->device_id = osxsink->device_id;
ringbuffer->core_audio->element =
GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsink);
ringbuffer->core_audio->device_id = osxsink->device_id;
ringbuffer->core_audio->is_src = FALSE;
return GST_RING_BUFFER (ringbuffer);
}
@ -455,7 +457,7 @@ gst_osx_audio_sink_io_proc (GstOsxRingBuffer * buf,
guint8 *readptr;
gint readseg;
gint len;
gint stream_idx = buf->stream_idx;
gint stream_idx = buf->core_audio->stream_idx;
gint remaining = bufferList->mBuffers[stream_idx].mDataByteSize;
gint offset = 0;
@ -500,35 +502,13 @@ gst_osx_audio_sink_osxelement_init (gpointer g_iface, gpointer iface_data)
static void
gst_osx_audio_sink_set_volume (GstOsxAudioSink * sink)
{
if (!sink->audiounit)
GstOsxRingBuffer *osxbuf;
osxbuf = GST_OSX_RING_BUFFER (GST_BASE_AUDIO_SINK (sink)->ringbuffer);
if (!osxbuf)
return;
AudioUnitSetParameter (sink->audiounit, kHALOutputParam_Volume,
kAudioUnitScope_Global, 0, (float) sink->volume, 0);
}
static inline void
_dump_channel_layout (AudioChannelLayout * channel_layout)
{
UInt32 i;
GST_DEBUG ("mChannelLayoutTag: 0x%lx",
(unsigned long) channel_layout->mChannelLayoutTag);
GST_DEBUG ("mChannelBitmap: 0x%lx",
(unsigned long) channel_layout->mChannelBitmap);
GST_DEBUG ("mNumberChannelDescriptions: %lu",
(unsigned long) channel_layout->mNumberChannelDescriptions);
for (i = 0; i < channel_layout->mNumberChannelDescriptions; i++) {
AudioChannelDescription *channel_desc =
&channel_layout->mChannelDescriptions[i];
GST_DEBUG (" mChannelLabel: 0x%lx mChannelFlags: 0x%lx "
"mCoordinates[0]: %f mCoordinates[1]: %f "
"mCoordinates[2]: %f",
(unsigned long) channel_desc->mChannelLabel,
(unsigned long) channel_desc->mChannelFlags,
channel_desc->mCoordinates[0], channel_desc->mCoordinates[1],
channel_desc->mCoordinates[2]);
}
gst_core_audio_set_volume (osxbuf->core_audio, sink->volume);
}
static gboolean
@ -554,14 +534,14 @@ gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
};
/* First collect info about the HW capabilites and preferences */
spdif_allowed = _audio_device_is_spdif_avail (osxsink->device_id);
layout = _audio_device_get_channel_layout (osxsink->device_id);
spdif_allowed =
gst_core_audio_audio_device_is_spdif_avail (osxsink->device_id);
layout = gst_core_audio_audio_device_get_channel_layout (osxsink->device_id);
GST_DEBUG_OBJECT (osxsink, "Selected device ID: %u SPDIF allowed: %d",
(unsigned) osxsink->device_id, spdif_allowed);
if (layout) {
_dump_channel_layout (layout);
max_channels = layout->mNumberChannelDescriptions;
} else {
GST_WARNING_OBJECT (osxsink, "This driver does not support "
@ -656,71 +636,11 @@ gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
static gboolean
gst_osx_audio_sink_select_device (GstOsxAudioSink * osxsink)
{
AudioDeviceID *devices = NULL;
AudioDeviceID default_device_id = 0;
AudioChannelLayout *channel_layout;
gint i, ndevices = 0;
gboolean res = FALSE;
devices = _audio_system_get_devices (&ndevices);
if (ndevices < 1) {
GST_ERROR_OBJECT (osxsink, "no audio output devices found");
goto done;
}
GST_DEBUG_OBJECT (osxsink, "found %d audio device(s)", ndevices);
for (i = 0; i < ndevices; i++) {
gchar *device_name;
if ((device_name = _audio_device_get_name (devices[i]))) {
if (!_audio_device_has_output (devices[i])) {
GST_DEBUG_OBJECT (osxsink, "Input Device ID: %u Name: %s",
(unsigned) devices[i], device_name);
} else {
GST_DEBUG_OBJECT (osxsink, "Output Device ID: %u Name: %s",
(unsigned) devices[i], device_name);
channel_layout = _audio_device_get_channel_layout (devices[i]);
if (channel_layout) {
_dump_channel_layout (channel_layout);
g_free (channel_layout);
}
}
g_free (device_name);
}
}
/* Find the ID of the default output device */
default_device_id = _audio_system_get_default_output ();
/* Here we decide if selected device is valid or autoselect
* the default one when required */
if (osxsink->device_id == kAudioDeviceUnknown) {
if (default_device_id != kAudioDeviceUnknown) {
osxsink->device_id = default_device_id;
res = TRUE;
}
} else {
for (i = 0; i < ndevices; i++) {
if (osxsink->device_id == devices[i]) {
res = TRUE;
}
}
if (res && !_audio_device_is_alive (osxsink->device_id)) {
GST_ERROR_OBJECT (osxsink, "Requested device not usable");
res = FALSE;
goto done;
}
}
if (!gst_core_audio_select_device (&osxsink->device_id))
return FALSE;
res = gst_osx_audio_sink_allowed_caps (osxsink);
done:
g_free (devices);
return res;
}

45
sys/osxaudio/gstosxaudiosrc.c
View file

@ -60,8 +60,6 @@
#endif
#include <gst/gst.h>
#include <CoreAudio/CoreAudio.h>
#include <CoreAudio/AudioHardware.h>
#include "gstosxaudiosrc.h"
#include "gstosxaudioelement.h"
@ -266,9 +264,10 @@ gst_osx_audio_src_create_ringbuffer (GstBaseAudioSrc * src)
GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsrc),
(void *) gst_osx_audio_src_io_proc);
ringbuffer->element = GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsrc);
ringbuffer->is_src = TRUE;
ringbuffer->device_id = osxsrc->device_id;
ringbuffer->core_audio->element =
GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsrc);
ringbuffer->core_audio->is_src = TRUE;
ringbuffer->core_audio->device_id = osxsrc->device_id;
return GST_RING_BUFFER (ringbuffer);
}
@ -286,15 +285,15 @@ gst_osx_audio_src_io_proc (GstOsxRingBuffer * buf,
gint remaining;
gint offset = 0;
status = AudioUnitRender (buf->audiounit, ioActionFlags, inTimeStamp,
inBusNumber, inNumberFrames, buf->recBufferList);
status = AudioUnitRender (buf->core_audio->audiounit, ioActionFlags,
inTimeStamp, inBusNumber, inNumberFrames, buf->core_audio->recBufferList);
if (status) {
GST_WARNING_OBJECT (buf, "AudioUnitRender returned %d", (int) status);
return status;
}
remaining = buf->recBufferList->mBuffers[0].mDataByteSize;
remaining = buf->core_audio->recBufferList->mBuffers[0].mDataByteSize;
while (remaining) {
if (!gst_ring_buffer_prepare_read (GST_RING_BUFFER (buf),
@ -307,7 +306,8 @@ gst_osx_audio_src_io_proc (GstOsxRingBuffer * buf,
len = remaining;
memcpy (writeptr + buf->segoffset,
(char *) buf->recBufferList->mBuffers[0].mData + offset, len);
(char *) buf->core_audio->recBufferList->mBuffers[0].mData + offset,
len);
buf->segoffset += len;
offset += len;
@ -334,30 +334,5 @@ gst_osx_audio_src_osxelement_init (gpointer g_iface, gpointer iface_data)
static void
gst_osx_audio_src_select_device (GstOsxAudioSrc * osxsrc)
{
OSStatus status;
UInt32 propertySize;
if (osxsrc->device_id == kAudioDeviceUnknown) {
/* If no specific device has been selected by the user, then pick the
* default device */
GST_DEBUG_OBJECT (osxsrc, "Selecting device for OSXAudioSrc");
propertySize = sizeof (osxsrc->device_id);
status = AudioHardwareGetProperty (kAudioHardwarePropertyDefaultInputDevice,
&propertySize, &osxsrc->device_id);
if (status) {
GST_WARNING_OBJECT (osxsrc,
"AudioHardwareGetProperty returned %d", (int) status);
} else {
GST_DEBUG_OBJECT (osxsrc, "AudioHardwareGetProperty returned 0");
}
if (osxsrc->device_id == kAudioDeviceUnknown) {
GST_WARNING_OBJECT (osxsrc,
"AudioHardwareGetProperty: device_id is kAudioDeviceUnknown");
}
GST_DEBUG_OBJECT (osxsrc, "AudioHardwareGetProperty: device_id is %lu",
(long) osxsrc->device_id);
}
gst_core_audio_select_source_device (&osxsrc->device_id);
}

218
sys/osxaudio/gstosxcoreaudio.c Normal file
View file

@ -0,0 +1,218 @@
/*
* GStreamer
* Copyright (C) 2012-2013 Fluendo S.A. <support@fluendo.com>
* Authors: Josep Torra Vallès <josep@fluendo.com>
* Andoni Morales Alastruey <amorales@fluendo.com>
*
* 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 "gstosxcoreaudio.h"
#include "gstosxcoreaudiocommon.h"
#include "gstosxaudiosrc.h"
GST_DEBUG_CATEGORY_STATIC (osx_audio_debug);
#define GST_CAT_DEFAULT osx_audio_debug
G_DEFINE_TYPE (GstCoreAudio, gst_core_audio, G_TYPE_OBJECT);
#include "gstosxcoreaudiohal.c"
static void
gst_core_audio_class_init (GstCoreAudioClass * klass)
{
}
static void
gst_core_audio_init (GstCoreAudio * core_audio)
{
core_audio->is_passthrough = FALSE;
core_audio->device_id = kAudioDeviceUnknown;
core_audio->is_src = FALSE;
core_audio->audiounit = NULL;
#ifndef HAVE_IOS
core_audio->hog_pid = -1;
core_audio->disabled_mixing = FALSE;
#endif
}
/**************************
* Public API *
*************************/
GstCoreAudio *
gst_core_audio_new (GstObject * osxbuf)
{
GstCoreAudio *core_audio;
core_audio = g_object_new (GST_TYPE_CORE_AUDIO, NULL);
core_audio->osxbuf = osxbuf;
return core_audio;
}
gboolean
gst_core_audio_close (GstCoreAudio * core_audio)
{
AudioComponentInstanceDispose (core_audio->audiounit);
core_audio->audiounit = NULL;
return TRUE;
}
gboolean
gst_core_audio_open (GstCoreAudio * core_audio)
{
if (!gst_core_audio_open_impl (core_audio))
return FALSE;
if (core_audio->is_src) {
AudioStreamBasicDescription asbd_in;
UInt32 propertySize;
OSStatus status;
GstOsxAudioSrc *src =
GST_OSX_AUDIO_SRC (GST_OBJECT_PARENT (core_audio->osxbuf));
propertySize = sizeof (asbd_in);
status = AudioUnitGetProperty (core_audio->audiounit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input, 1, &asbd_in, &propertySize);
if (status) {
AudioComponentInstanceDispose (core_audio->audiounit);
core_audio->audiounit = NULL;
GST_WARNING_OBJECT (core_audio,
"Unable to obtain device properties: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;
} else {
src->deviceChannels = asbd_in.mChannelsPerFrame;
}
}
return TRUE;
}
gboolean
gst_core_audio_start_processing (GstCoreAudio * core_audio)
{
return gst_core_audio_start_processing_impl (core_audio);
}
gboolean
gst_core_audio_pause_processing (GstCoreAudio * core_audio)
{
return gst_core_audio_pause_processing_impl (core_audio);
}
gboolean
gst_core_audio_stop_processing (GstCoreAudio * core_audio)
{
return gst_core_audio_stop_processing_impl (core_audio);
}
gboolean
gst_core_audio_get_samples_and_latency (GstCoreAudio * core_audio,
gdouble rate, guint * samples, gdouble * latency)
{
return gst_core_audio_get_samples_and_latency_impl (core_audio, rate,
samples, latency);
}
gboolean
gst_core_audio_initialize (GstCoreAudio * core_audio,
AudioStreamBasicDescription format, GstCaps * caps, gboolean is_passthrough)
{
guint32 frame_size;
OSStatus status;
GST_DEBUG_OBJECT (core_audio,
"Initializing: passthrough:%d caps:%" GST_PTR_FORMAT, is_passthrough,
caps);
if (!gst_core_audio_initialize_impl (core_audio, format, caps,
is_passthrough, &frame_size)) {
goto error;
}
if (core_audio->is_src) {
/* create AudioBufferList needed for recording */
core_audio->recBufferList =
buffer_list_alloc (format.mChannelsPerFrame,
frame_size * format.mBytesPerFrame);
}
/* Initialize the AudioUnit */
status = AudioUnitInitialize (core_audio->audiounit);
if (status) {
GST_ERROR_OBJECT (core_audio, "Failed to initialise AudioUnit: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
goto error;
}
return TRUE;
error:
if (core_audio->is_src && core_audio->recBufferList) {
buffer_list_free (core_audio->recBufferList);
core_audio->recBufferList = NULL;
}
return FALSE;
}
void
gst_core_audio_unitialize (GstCoreAudio * core_audio)
{
AudioUnitUninitialize (core_audio->audiounit);
if (core_audio->recBufferList) {
buffer_list_free (core_audio->recBufferList);
core_audio->recBufferList = NULL;
}
}
void
gst_core_audio_set_volume (GstCoreAudio * core_audio, gfloat volume)
{
AudioUnitSetParameter (core_audio->audiounit, kHALOutputParam_Volume,
kAudioUnitScope_Global, 0, (float) volume, 0);
}
gboolean
gst_core_audio_select_device (AudioDeviceID * device_id)
{
return gst_core_audio_select_device_impl (device_id);
}
gboolean
gst_core_audio_select_source_device (AudioDeviceID * device_id)
{
return gst_core_audio_select_source_device_impl (device_id);
}
void
gst_core_audio_init_debug (void)
{
GST_DEBUG_CATEGORY_INIT (osx_audio_debug, "osxaudio", 0,
"OSX Audio Elements");
}
gboolean
gst_core_audio_audio_device_is_spdif_avail (AudioDeviceID device_id)
{
return gst_core_audio_audio_device_is_spdif_avail_impl (device_id);
}

651
sys/osxaudio/gstosxcoreaudio.h
View file

@ -2,29 +2,6 @@
* GStreamer
* Copyright (C) 2012 Fluendo S.A. <support@fluendo.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
@ -40,567 +17,135 @@
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* The development of this code was made possible due to the involvement of
* Pioneers of the Inevitable, the creators of the Songbird Music player
*
*/
#ifndef __GST_CORE_AUDIO_H__
#define __GST_CORE_AUDIO_H__
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gst/gst.h>
#ifdef HAVE_IOS
#include <CoreAudio/CoreAudioTypes.h>
#define AudioDeviceID gint
#define kAudioDeviceUnknown 0
#else
#include <CoreAudio/CoreAudio.h>
#include <AudioToolbox/AudioToolbox.h>
#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_5
#include <CoreServices/CoreServices.h>
#define AudioComponentFindNext FindNextComponent
#define AudioComponentInstanceNew OpenAComponent
#define AudioComponentInstanceDispose CloseComponent
#define AudioComponent Component
#define AudioComponentDescription ComponentDescription
#endif
#endif
#include <AudioUnit/AudioUnit.h>
#include "gstosxaudioelement.h"
G_BEGIN_DECLS
#define GST_TYPE_CORE_AUDIO \
(gst_core_audio_get_type())
#define GST_CORE_AUDIO(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CORE_AUDIO,GstCoreAudio))
#define GST_CORE_AUDIO_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CORE_AUDIO,GstCoreAudioClass))
#define GST_CORE_AUDIO_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_CORE_AUDIO,GstCoreAudioClass))
#define GST_IS_CORE_AUDIO(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CORE_AUDIO))
#define GST_IS_CORE_AUDIO_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CORE_AUDIO))
#define CORE_AUDIO_FORMAT_IS_SPDIF(f) ((f).mFormat.mFormatID == 'IAC3' || (f).mFormat.mFormatID == 'iac3' || (f).mFormat.mFormatID == kAudioFormat60958AC3 || (f).mFormat.mFormatID == kAudioFormatAC3)
#define CORE_AUDIO_FORMAT "FormatID: %" GST_FOURCC_FORMAT " rate: %f flags: 0x%x BytesPerPacket: %u FramesPerPacket: %u BytesPerFrame: %u ChannelsPerFrame: %u BitsPerChannel: %u"
#define CORE_AUDIO_FORMAT_ARGS(f) GST_FOURCC_ARGS((f).mFormatID),(f).mSampleRate,(unsigned)(f).mFormatFlags,(unsigned)(f).mBytesPerPacket,(unsigned)(f).mFramesPerPacket,(unsigned)(f).mBytesPerFrame,(unsigned)(f).mChannelsPerFrame,(unsigned)(f).mBitsPerChannel
#define CORE_AUDIO_FORMAT_IS_SPDIF(f) ((f).mFormat.mFormatID == 'IAC3' || (f).mFormat.mFormatID == 'iac3' || (f).mFormat.mFormatID == kAudioFormat60958AC3 || (f).mFormat.mFormatID == kAudioFormatAC3)
typedef struct _GstCoreAudio GstCoreAudio;
typedef struct _GstCoreAudioClass GstCoreAudioClass;
static inline gboolean
_audio_system_set_runloop (CFRunLoopRef runLoop)
struct _GstCoreAudio
{
OSStatus status = noErr;
GObject object;
gboolean res = FALSE;
GstObject *osxbuf;
GstOsxAudioElementInterface *element;
AudioObjectPropertyAddress runloopAddress = {
kAudioHardwarePropertyRunLoop,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
gboolean is_src;
gboolean is_passthrough;
AudioDeviceID device_id;
AudioStreamBasicDescription stream_format;
gint stream_idx;
gboolean io_proc_active;
gboolean io_proc_needs_deactivation;
status = AudioObjectSetPropertyData (kAudioObjectSystemObject,
&runloopAddress, 0, NULL, sizeof (CFRunLoopRef), &runLoop);
if (status == noErr) {
res = TRUE;
} else {
GST_ERROR ("failed to set runloop to %p: %" GST_FOURCC_FORMAT,
runLoop, GST_FOURCC_ARGS (status));
}
/* For LPCM in/out */
AudioUnit audiounit;
AudioBufferList *recBufferList;
return res;
}
static inline AudioDeviceID
_audio_system_get_default_output (void)
{
OSStatus status = noErr;
UInt32 propertySize = sizeof (AudioDeviceID);
AudioDeviceID device_id = kAudioDeviceUnknown;
AudioObjectPropertyAddress defaultDeviceAddress = {
kAudioHardwarePropertyDefaultOutputDevice,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyData (kAudioObjectSystemObject,
&defaultDeviceAddress, 0, NULL, &propertySize, &device_id);
if (status != noErr) {
GST_ERROR ("failed getting default output device: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
}
return device_id;
}
static inline AudioDeviceID *
_audio_system_get_devices (gint * ndevices)
{
OSStatus status = noErr;
UInt32 propertySize = 0;
AudioDeviceID *devices = NULL;
AudioObjectPropertyAddress audioDevicesAddress = {
kAudioHardwarePropertyDevices,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyDataSize (kAudioObjectSystemObject,
&audioDevicesAddress, 0, NULL, &propertySize);
if (status != noErr) {
GST_WARNING ("failed getting number of devices: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return NULL;
}
*ndevices = propertySize / sizeof (AudioDeviceID);
devices = (AudioDeviceID *) g_malloc (propertySize);
if (devices) {
status = AudioObjectGetPropertyData (kAudioObjectSystemObject,
&audioDevicesAddress, 0, NULL, &propertySize, devices);
if (status != noErr) {
GST_WARNING ("failed getting the list of devices: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
g_free (devices);
*ndevices = 0;
return NULL;
}
}
return devices;
}
static inline gboolean
_audio_device_is_alive (AudioDeviceID device_id)
{
OSStatus status = noErr;
int alive = FALSE;
UInt32 propertySize = sizeof (alive);
AudioObjectPropertyAddress audioDeviceAliveAddress = {
kAudioDevicePropertyDeviceIsAlive,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyData (device_id,
&audioDeviceAliveAddress, 0, NULL, &propertySize, &alive);
if (status != noErr) {
alive = FALSE;
}
return alive;
}
static inline guint
_audio_device_get_latency (AudioDeviceID device_id)
{
OSStatus status = noErr;
UInt32 latency = 0;
UInt32 propertySize = sizeof (latency);
AudioObjectPropertyAddress audioDeviceLatencyAddress = {
kAudioDevicePropertyLatency,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyData (device_id,
&audioDeviceLatencyAddress, 0, NULL, &propertySize, &latency);
if (status != noErr) {
GST_ERROR ("failed to get latency: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
latency = -1;
}
return latency;
}
static inline pid_t
_audio_device_get_hog (AudioDeviceID device_id)
{
OSStatus status = noErr;
#ifndef HAVE_IOS
/* For SPDIF out */
pid_t hog_pid;
UInt32 propertySize = sizeof (hog_pid);
gboolean disabled_mixing;
AudioStreamID stream_id;
gboolean revert_format;
AudioStreamBasicDescription original_format;
AudioDeviceIOProcID procID;
#endif
};
AudioObjectPropertyAddress audioDeviceHogModeAddress = {
kAudioDevicePropertyHogMode,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyData (device_id,
&audioDeviceHogModeAddress, 0, NULL, &propertySize, &hog_pid);
if (status != noErr) {
GST_ERROR ("failed to get hog: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
hog_pid = -1;
}
return hog_pid;
}
static inline gboolean
_audio_device_set_hog (AudioDeviceID device_id, pid_t hog_pid)
struct _GstCoreAudioClass
{
OSStatus status = noErr;
UInt32 propertySize = sizeof (hog_pid);
gboolean res = FALSE;
GObjectClass parent_class;
};
AudioObjectPropertyAddress audioDeviceHogModeAddress = {
kAudioDevicePropertyHogMode,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
GType gst_core_audio_get_type (void);
status = AudioObjectSetPropertyData (device_id,
&audioDeviceHogModeAddress, 0, NULL, propertySize, &hog_pid);
void gst_core_audio_init_debug (void);
if (status == noErr) {
res = TRUE;
} else {
GST_ERROR ("failed to set hog: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
GstCoreAudio * gst_core_audio_new (GstObject *osxbuf);
return res;
}
gboolean gst_core_audio_open (GstCoreAudio *core_audio);
static inline gboolean
_audio_device_set_mixing (AudioDeviceID device_id, gboolean enable_mix)
{
OSStatus status = noErr;
UInt32 propertySize = 0, can_mix = enable_mix;
Boolean writable = FALSE;
gboolean res = FALSE;
gboolean gst_core_audio_close (GstCoreAudio *core_audio);
AudioObjectPropertyAddress audioDeviceSupportsMixingAddress = {
kAudioDevicePropertySupportsMixing,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
gboolean gst_core_audio_initialize (GstCoreAudio *core_audio,
AudioStreamBasicDescription format,
GstCaps *caps,
gboolean is_passthrough);
if (AudioObjectHasProperty (device_id, &audioDeviceSupportsMixingAddress)) {
/* Set mixable to false if we are allowed to */
status = AudioObjectIsPropertySettable (device_id,
&audioDeviceSupportsMixingAddress, &writable);
if (status) {
GST_DEBUG ("AudioObjectIsPropertySettable: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
status = AudioObjectGetPropertyDataSize (device_id,
&audioDeviceSupportsMixingAddress, 0, NULL, &propertySize);
if (status) {
GST_DEBUG ("AudioObjectGetPropertyDataSize: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
status = AudioObjectGetPropertyData (device_id,
&audioDeviceSupportsMixingAddress, 0, NULL, &propertySize, &can_mix);
if (status) {
GST_DEBUG ("AudioObjectGetPropertyData: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
void gst_core_audio_unitialize (GstCoreAudio *core_audio);
if (status == noErr && writable) {
can_mix = enable_mix;
status = AudioObjectSetPropertyData (device_id,
&audioDeviceSupportsMixingAddress, 0, NULL, propertySize, &can_mix);
res = TRUE;
}
gboolean gst_core_audio_start_processing (GstCoreAudio *core_audio);
if (status != noErr) {
GST_ERROR ("failed to set mixmode: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
} else {
GST_DEBUG ("property not found, mixing coudln't be changed");
}
gboolean gst_core_audio_pause_processing (GstCoreAudio *core_audio);
return res;
}
gboolean gst_core_audio_stop_processing (GstCoreAudio *core_audio);
static inline gchar *
_audio_device_get_name (AudioDeviceID device_id)
{
OSStatus status = noErr;
UInt32 propertySize = 0;
gchar *device_name = NULL;
gboolean gst_core_audio_get_samples_and_latency (GstCoreAudio * core_audio,
gdouble rate,
guint *samples,
gdouble *latency);
AudioObjectPropertyAddress deviceNameAddress = {
kAudioDevicePropertyDeviceName,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
void gst_core_audio_set_volume (GstCoreAudio *core_audio,
gfloat volume);
/* Get the length of the device name */
status = AudioObjectGetPropertyDataSize (device_id,
&deviceNameAddress, 0, NULL, &propertySize);
if (status != noErr) {
goto beach;
}
gboolean gst_core_audio_audio_device_is_spdif_avail (AudioDeviceID device_id);
/* Get the name of the device */
device_name = (gchar *) g_malloc (propertySize);
status = AudioObjectGetPropertyData (device_id,
&deviceNameAddress, 0, NULL, &propertySize, device_name);
if (status != noErr) {
g_free (device_name);
device_name = NULL;
}
beach:
return device_name;
}
gboolean gst_core_audio_select_device (AudioDeviceID *device_id);
static inline gboolean
_audio_device_has_output (AudioDeviceID device_id)
{
OSStatus status = noErr;
UInt32 propertySize;
gboolean gst_core_audio_select_source_device (AudioDeviceID *device_id);
AudioObjectPropertyAddress streamsAddress = {
kAudioDevicePropertyStreams,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
AudioChannelLayout * gst_core_audio_audio_device_get_channel_layout (AudioDeviceID device_id);
status = AudioObjectGetPropertyDataSize (device_id,
&streamsAddress, 0, NULL, &propertySize);
if (status != noErr) {
return FALSE;
}
if (propertySize == 0) {
return FALSE;
}
return TRUE;
}
static inline AudioChannelLayout *
_audio_device_get_channel_layout (AudioDeviceID device_id)
{
OSStatus status = noErr;
UInt32 propertySize = 0;
AudioChannelLayout *layout = NULL;
AudioObjectPropertyAddress channelLayoutAddress = {
kAudioDevicePropertyPreferredChannelLayout,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
/* Get the length of the default channel layout structure */
status = AudioObjectGetPropertyDataSize (device_id,
&channelLayoutAddress, 0, NULL, &propertySize);
if (status != noErr) {
GST_ERROR ("failed to get prefered layout: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
goto beach;
}
/* Get the default channel layout of the device */
layout = (AudioChannelLayout *) g_malloc (propertySize);
status = AudioObjectGetPropertyData (device_id,
&channelLayoutAddress, 0, NULL, &propertySize, layout);
if (status != noErr) {
GST_ERROR ("failed to get prefered layout: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
goto failed;
}
if (layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap) {
/* bitmap defined channellayout */
status =
AudioFormatGetProperty (kAudioFormatProperty_ChannelLayoutForBitmap,
sizeof (UInt32), &layout->mChannelBitmap, &propertySize, layout);
if (status != noErr) {
GST_ERROR ("failed to get layout for bitmap: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
goto failed;
}
} else if (layout->mChannelLayoutTag !=
kAudioChannelLayoutTag_UseChannelDescriptions) {
/* layouttags defined channellayout */
status = AudioFormatGetProperty (kAudioFormatProperty_ChannelLayoutForTag,
sizeof(AudioChannelLayoutTag), &layout->mChannelLayoutTag,
&propertySize, layout);
if (status != noErr) {
GST_ERROR ("failed to get layout for tag: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
goto failed;
}
}
beach:
return layout;
failed:
g_free (layout);
return NULL;
}
static inline AudioStreamID *
_audio_device_get_streams (AudioDeviceID device_id, gint * nstreams)
{
OSStatus status = noErr;
UInt32 propertySize = 0;
AudioStreamID *streams = NULL;
AudioObjectPropertyAddress streamsAddress = {
kAudioDevicePropertyStreams,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyDataSize (device_id,
&streamsAddress, 0, NULL, &propertySize);
if (status != noErr) {
GST_WARNING ("failed getting number of streams: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return NULL;
}
*nstreams = propertySize / sizeof (AudioStreamID);
streams = (AudioStreamID *) g_malloc (propertySize);
if (streams) {
status = AudioObjectGetPropertyData (device_id,
&streamsAddress, 0, NULL, &propertySize, streams);
if (status != noErr) {
GST_WARNING ("failed getting the list of streams: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
g_free (streams);
*nstreams = 0;
return NULL;
}
}
return streams;
}
static inline guint
_audio_stream_get_latency (AudioStreamID stream_id)
{
OSStatus status = noErr;
UInt32 latency;
UInt32 propertySize = sizeof (latency);
AudioObjectPropertyAddress latencyAddress = {
kAudioStreamPropertyLatency,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyData (stream_id,
&latencyAddress, 0, NULL, &propertySize, &latency);
if (status != noErr) {
GST_ERROR ("failed to get latency: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
latency = -1;
}
return latency;
}
static inline gboolean
_audio_stream_get_current_format (AudioStreamID stream_id,
AudioStreamBasicDescription * format)
{
OSStatus status = noErr;
UInt32 propertySize = sizeof (AudioStreamBasicDescription);
AudioObjectPropertyAddress formatAddress = {
kAudioStreamPropertyPhysicalFormat,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyData (stream_id,
&formatAddress, 0, NULL, &propertySize, format);
if (status != noErr) {
GST_ERROR ("failed to get current format: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;
}
return TRUE;
}
static inline gboolean
_audio_stream_set_current_format (AudioStreamID stream_id,
AudioStreamBasicDescription format)
{
OSStatus status = noErr;
UInt32 propertySize = sizeof (AudioStreamBasicDescription);
AudioObjectPropertyAddress formatAddress = {
kAudioStreamPropertyPhysicalFormat,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
status = AudioObjectSetPropertyData (stream_id,
&formatAddress, 0, NULL, propertySize, &format);
if (status != noErr) {
GST_ERROR ("failed to set current format: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;
}
return TRUE;
}
static inline AudioStreamRangedDescription *
_audio_stream_get_formats (AudioStreamID stream_id, gint * nformats)
{
OSStatus status = noErr;
UInt32 propertySize = 0;
AudioStreamRangedDescription *formats = NULL;
AudioObjectPropertyAddress formatsAddress = {
kAudioStreamPropertyAvailablePhysicalFormats,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
status = AudioObjectGetPropertyDataSize (stream_id,
&formatsAddress, 0, NULL, &propertySize);
if (status != noErr) {
GST_WARNING ("failed getting number of stream formats: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return NULL;
}
*nformats = propertySize / sizeof (AudioStreamRangedDescription);
formats = (AudioStreamRangedDescription *) g_malloc (propertySize);
if (formats) {
status = AudioObjectGetPropertyData (stream_id,
&formatsAddress, 0, NULL, &propertySize, formats);
if (status != noErr) {
GST_WARNING ("failed getting the list of stream formats: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
g_free (formats);
*nformats = 0;
return NULL;
}
}
return formats;
}
static inline gboolean
_audio_stream_is_spdif_avail (AudioStreamID stream_id)
{
AudioStreamRangedDescription *formats;
gint i, nformats = 0;
gboolean res = FALSE;
formats = _audio_stream_get_formats (stream_id, &nformats);
GST_DEBUG ("found %d stream formats", nformats);
if (formats) {
GST_DEBUG ("formats supported on stream ID: %u",
(unsigned) stream_id);
for (i = 0; i < nformats; i++) {
GST_DEBUG (" " CORE_AUDIO_FORMAT,
CORE_AUDIO_FORMAT_ARGS (formats[i].mFormat));
if (CORE_AUDIO_FORMAT_IS_SPDIF (formats[i])) {
res = TRUE;
}
}
g_free (formats);
}
return res;
}
static inline gboolean
_audio_device_is_spdif_avail (AudioDeviceID device_id)
{
AudioStreamID *streams = NULL;
gint i, nstreams = 0;
gboolean res = FALSE;
streams = _audio_device_get_streams (device_id, &nstreams);
GST_DEBUG ("found %d streams", nstreams);
if (streams) {
for (i = 0; i < nstreams; i++) {
if (_audio_stream_is_spdif_avail (streams[i])) {
res = TRUE;
}
}
g_free (streams);
}
return res;
}
G_END_DECLS
#endif /* __GST_CORE_AUDIO_H__ */

431
sys/osxaudio/gstosxcoreaudiocommon.c Normal file
View file

@ -0,0 +1,431 @@
/*
* GStreamer
* Copyright (C) 2012-2013 Fluendo S.A. <support@fluendo.com>
* Authors: Josep Torra Vallès <josep@fluendo.com>
* Andoni Morales Alastruey <amorales@fluendo.com>
*
* 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 "gstosxcoreaudiocommon.h"
void
gst_core_audio_remove_render_callback (GstCoreAudio * core_audio)
{
AURenderCallbackStruct input;
OSStatus status;
/* Deactivate the render callback by calling SetRenderCallback
* with a NULL inputProc.
*/
input.inputProc = NULL;
input.inputProcRefCon = NULL;
status = AudioUnitSetProperty (core_audio->audiounit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Global, 0, /* N/A for global */
&input, sizeof (input));
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf, "Failed to remove render callback %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
}
/* Remove the RenderNotify too */
status = AudioUnitRemoveRenderNotify (core_audio->audiounit,
(AURenderCallback) gst_core_audio_render_notify, core_audio);
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf,
"Failed to remove render notify callback %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
/* We're deactivated.. */
core_audio->io_proc_needs_deactivation = FALSE;
core_audio->io_proc_active = FALSE;
}
OSStatus
gst_core_audio_render_notify (GstCoreAudio * core_audio,
AudioUnitRenderActionFlags * ioActionFlags,
const AudioTimeStamp * inTimeStamp,
unsigned int inBusNumber,
unsigned int inNumberFrames, AudioBufferList * ioData)
{
/* Before rendering a frame, we get the PreRender notification.
* Here, we detach the RenderCallback if we've been paused.
*
* This is necessary (rather than just directly detaching it) to
* work around some thread-safety issues in CoreAudio
*/
if ((*ioActionFlags) & kAudioUnitRenderAction_PreRender) {
if (core_audio->io_proc_needs_deactivation) {
gst_core_audio_remove_render_callback (core_audio);
}
}
return noErr;
}
gboolean
gst_core_audio_io_proc_start (GstCoreAudio * core_audio)
{
OSStatus status;
AURenderCallbackStruct input;
AudioUnitPropertyID callback_type;
GST_DEBUG_OBJECT (core_audio->osxbuf,
"osx ring buffer start ioproc: %p device_id %lu",
core_audio->element->io_proc, (gulong) core_audio->device_id);
if (!core_audio->io_proc_active) {
callback_type = core_audio->is_src ?
kAudioOutputUnitProperty_SetInputCallback :
kAudioUnitProperty_SetRenderCallback;
input.inputProc = (AURenderCallback) core_audio->element->io_proc;
input.inputProcRefCon = core_audio->osxbuf;
status = AudioUnitSetProperty (core_audio->audiounit, callback_type, kAudioUnitScope_Global, 0, /* N/A for global */
&input, sizeof (input));
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf,
"AudioUnitSetProperty failed: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;
}
// ### does it make sense to do this notify stuff for input mode?
status = AudioUnitAddRenderNotify (core_audio->audiounit,
(AURenderCallback) gst_core_audio_render_notify, core_audio);
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf,
"AudioUnitAddRenderNotify failed %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return FALSE;
}
core_audio->io_proc_active = TRUE;
}
core_audio->io_proc_needs_deactivation = FALSE;
status = AudioOutputUnitStart (core_audio->audiounit);
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf, "AudioOutputUnitStart failed: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return FALSE;
}
return TRUE;
}
gboolean
gst_core_audio_io_proc_stop (GstCoreAudio * core_audio)
{
OSErr status;
GST_DEBUG_OBJECT (core_audio->osxbuf,
"osx ring buffer stop ioproc: %p device_id %lu",
core_audio->element->io_proc, (gulong) core_audio->device_id);
status = AudioOutputUnitStop (core_audio->audiounit);
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf,
"AudioOutputUnitStop failed: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
// ###: why is it okay to directly remove from here but not from pause() ?
if (core_audio->io_proc_active) {
gst_core_audio_remove_render_callback (core_audio);
}
return TRUE;
}
AudioBufferList *
buffer_list_alloc (int channels, int size)
{
AudioBufferList *list;
int total_size;
int n;
total_size = sizeof (AudioBufferList) + 1 * sizeof (AudioBuffer);
list = (AudioBufferList *) g_malloc (total_size);
list->mNumberBuffers = 1;
for (n = 0; n < (int) list->mNumberBuffers; ++n) {
list->mBuffers[n].mNumberChannels = channels;
list->mBuffers[n].mDataByteSize = size;
list->mBuffers[n].mData = g_malloc (size);
}
return list;
}
void
buffer_list_free (AudioBufferList * list)
{
int n;
for (n = 0; n < (int) list->mNumberBuffers; ++n) {
if (list->mBuffers[n].mData)
g_free (list->mBuffers[n].mData);
}
g_free (list);
}
gboolean
gst_core_audio_bind_device (GstCoreAudio * core_audio)
{
OSStatus status;
/* Specify which device we're using. */
GST_DEBUG_OBJECT (core_audio->osxbuf, "Bind AudioUnit to device %d",
(int) core_audio->device_id);
status = AudioUnitSetProperty (core_audio->audiounit,
kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0,
&core_audio->device_id, sizeof (AudioDeviceID));
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf, "Failed binding to device: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
goto audiounit_error;
}
return TRUE;
audiounit_error:
if (core_audio->recBufferList) {
buffer_list_free (core_audio->recBufferList);
core_audio->recBufferList = NULL;
}
return FALSE;
}
gboolean
gst_core_audio_set_channels_layout (GstCoreAudio * core_audio,
gint channels, GstCaps * caps)
{
/* Configure the output stream and allocate ringbuffer memory */
AudioChannelLayout *layout = NULL;
OSStatus status;
int layoutSize, element, i;
AudioUnitScope scope;
GstStructure *structure;
GstAudioChannelPosition *positions;
/* Describe channels */
layoutSize = sizeof (AudioChannelLayout) +
channels * sizeof (AudioChannelDescription);
layout = g_malloc (layoutSize);
structure = gst_caps_get_structure (caps, 0);
positions = gst_audio_get_channel_positions (structure);
layout->mChannelLayoutTag = kAudioChannelLayoutTag_UseChannelDescriptions;
layout->mChannelBitmap = 0; /* Not used */
layout->mNumberChannelDescriptions = channels;
for (i = 0; i < channels; i++) {
if (positions) {
layout->mChannelDescriptions[i].mChannelLabel =
gst_audio_channel_position_to_coreaudio_channel_label (positions[i],
i);
} else {
/* Discrete channel numbers are ORed into this */
layout->mChannelDescriptions[i].mChannelLabel =
kAudioChannelLabel_Discrete_0 | i;
}
/* Others unused */
layout->mChannelDescriptions[i].mChannelFlags = 0;
layout->mChannelDescriptions[i].mCoordinates[0] = 0.f;
layout->mChannelDescriptions[i].mCoordinates[1] = 0.f;
layout->mChannelDescriptions[i].mCoordinates[2] = 0.f;
}
if (positions) {
g_free (positions);
positions = NULL;
}
scope = core_audio->is_src ? kAudioUnitScope_Output : kAudioUnitScope_Input;
element = core_audio->is_src ? 1 : 0;
if (layoutSize) {
status = AudioUnitSetProperty (core_audio->audiounit,
kAudioUnitProperty_AudioChannelLayout,
scope, element, layout, layoutSize);
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf,
"Failed to set output channel layout: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;
}
}
g_free (layout);
return TRUE;
}
gboolean
gst_core_audio_set_format (GstCoreAudio * core_audio,
AudioStreamBasicDescription format)
{
/* Configure the output stream and allocate ringbuffer memory */
OSStatus status;
UInt32 propertySize;
int element;
AudioUnitScope scope;
GST_DEBUG_OBJECT (core_audio->osxbuf, "Setting format for AudioUnit");
scope = core_audio->is_src ? kAudioUnitScope_Output : kAudioUnitScope_Input;
element = core_audio->is_src ? 1 : 0;
propertySize = sizeof (AudioStreamBasicDescription);
status = AudioUnitSetProperty (core_audio->audiounit,
kAudioUnitProperty_StreamFormat, scope, element, &format, propertySize);
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf,
"Failed to set audio description: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;;
}
return TRUE;
}
gboolean
gst_core_audio_open_device (GstCoreAudio * core_audio, OSType sub_type,
const gchar * adesc)
{
AudioComponentDescription desc;
AudioComponent comp;
OSStatus status;
AudioUnit unit;
UInt32 enableIO;
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = sub_type;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
comp = AudioComponentFindNext (NULL, &desc);
if (comp == NULL) {
GST_WARNING_OBJECT (core_audio->osxbuf, "Couldn't find %s component",
adesc);
return FALSE;
}
status = AudioComponentInstanceNew (comp, &unit);
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf, "Couldn't open %s component %"
GST_FOURCC_FORMAT, adesc, GST_FOURCC_ARGS (status));
return FALSE;
}
if (core_audio->is_src) {
/* enable input */
enableIO = 1;
status = AudioUnitSetProperty (unit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, /* 1 = input element */
&enableIO, sizeof (enableIO));
if (status) {
AudioComponentInstanceDispose (unit);
GST_WARNING_OBJECT (core_audio->osxbuf, "Failed to enable input: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return FALSE;
}
/* disable output */
enableIO = 0;
status = AudioUnitSetProperty (unit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, /* 0 = output element */
&enableIO, sizeof (enableIO));
if (status) {
AudioComponentInstanceDispose (unit);
GST_WARNING_OBJECT (core_audio->osxbuf, "Failed to disable output: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return FALSE;
}
}
GST_DEBUG_OBJECT (core_audio->osxbuf, "Created %s AudioUnit: %p", adesc,
unit);
core_audio->audiounit = unit;
return TRUE;
}
AudioChannelLabel
gst_audio_channel_position_to_coreaudio_channel_label (GstAudioChannelPosition
position, int channel)
{
switch (position) {
case GST_AUDIO_CHANNEL_POSITION_NONE:
return kAudioChannelLabel_Discrete_0 | channel;
case GST_AUDIO_CHANNEL_POSITION_FRONT_MONO:
return kAudioChannelLabel_Mono;
case GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT:
return kAudioChannelLabel_Left;
case GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT:
return kAudioChannelLabel_Right;
case GST_AUDIO_CHANNEL_POSITION_REAR_CENTER:
return kAudioChannelLabel_CenterSurround;
case GST_AUDIO_CHANNEL_POSITION_REAR_LEFT:
return kAudioChannelLabel_LeftSurround;
case GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT:
return kAudioChannelLabel_RightSurround;
case GST_AUDIO_CHANNEL_POSITION_LFE:
return kAudioChannelLabel_LFEScreen;
case GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER:
return kAudioChannelLabel_Center;
case GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER:
return kAudioChannelLabel_Center; // ???
case GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER:
return kAudioChannelLabel_Center; // ???
case GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT:
return kAudioChannelLabel_LeftSurroundDirect;
case GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT:
return kAudioChannelLabel_RightSurroundDirect;
default:
return kAudioChannelLabel_Unknown;
}
}
void
gst_core_audio_dump_channel_layout (AudioChannelLayout * channel_layout)
{
UInt32 i;
GST_DEBUG ("mChannelLayoutTag: 0x%lx",
(unsigned long) channel_layout->mChannelLayoutTag);
GST_DEBUG ("mChannelBitmap: 0x%lx",
(unsigned long) channel_layout->mChannelBitmap);
GST_DEBUG ("mNumberChannelDescriptions: %lu",
(unsigned long) channel_layout->mNumberChannelDescriptions);
for (i = 0; i < channel_layout->mNumberChannelDescriptions; i++) {
AudioChannelDescription *channel_desc =
&channel_layout->mChannelDescriptions[i];
GST_DEBUG (" mChannelLabel: 0x%lx mChannelFlags: 0x%lx "
"mCoordinates[0]: %f mCoordinates[1]: %f "
"mCoordinates[2]: %f",
(unsigned long) channel_desc->mChannelLabel,
(unsigned long) channel_desc->mChannelFlags,
channel_desc->mCoordinates[0], channel_desc->mCoordinates[1],
channel_desc->mCoordinates[2]);
}
}

65
sys/osxaudio/gstosxcoreaudiocommon.h Normal file
View file

@ -0,0 +1,65 @@
/*
* GStreamer
* Copyright (C) 2012-2013 Fluendo S.A. <support@fluendo.com>
* Authors: Josep Torra Vallès <josep@fluendo.com>
* Andoni Morales Alastruey <amorales@fluendo.com>
*
* 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 <gst/audio/multichannel.h>
#include "gstosxcoreaudio.h"
typedef struct
{
GMutex *lock;
GCond *cond;
} PropertyMutex;
gboolean gst_core_audio_bind_device (GstCoreAudio *core_audio);
void gst_core_audio_dump_channel_layout (AudioChannelLayout * channel_layout);
void gst_core_audio_remove_render_callback (GstCoreAudio * core_audio);
gboolean gst_core_audio_io_proc_start (GstCoreAudio * core_audio);
gboolean gst_core_audio_io_proc_stop (GstCoreAudio * core_audio);
AudioBufferList * buffer_list_alloc (int channels, int size);
void buffer_list_free (AudioBufferList * list);
gboolean gst_core_audio_set_format (GstCoreAudio * core_audio,
AudioStreamBasicDescription format);
gboolean gst_core_audio_set_channels_layout (GstCoreAudio * core_audio,
gint channels, GstCaps * caps);
gboolean gst_core_audio_open_device (GstCoreAudio *core_audio,
OSType sub_type,
const gchar *adesc);
OSStatus gst_core_audio_render_notify (GstCoreAudio * core_audio,
AudioUnitRenderActionFlags * ioActionFlags,
const AudioTimeStamp * inTimeStamp,
unsigned int inBusNumber,
unsigned int inNumberFrames,
AudioBufferList * ioData);
AudioChannelLabel gst_audio_channel_position_to_coreaudio_channel_label (GstAudioChannelPosition position, int channel);

1281
sys/osxaudio/gstosxcoreaudiohal.c Normal file
View file

File diff suppressed because it is too large Load diff

985
sys/osxaudio/gstosxringbuffer.c
View file

File diff suppressed because it is too large Load diff

30
sys/osxaudio/gstosxringbuffer.h
View file

@ -45,12 +45,14 @@
#ifndef __GST_OSX_RING_BUFFER_H__
#define __GST_OSX_RING_BUFFER_H__
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gst/gst.h>
#include <gst/audio/gstringbuffer.h>
#include <CoreAudio/CoreAudio.h>
#include <AudioToolbox/AudioToolbox.h>
#include <gstosxcoreaudio.h>
#include "gstosxaudioelement.h"
G_BEGIN_DECLS
@ -76,30 +78,10 @@ struct _GstOsxRingBuffer
{
GstRingBuffer object;
gboolean is_src;
gboolean is_passthrough;
gint stream_idx;
GstCoreAudio *core_audio;
AudioDeviceID device_id;
gboolean io_proc_active;
gboolean io_proc_needs_deactivation;
guint buffer_len;
guint segoffset;
GstOsxAudioElementInterface *element;
/* For LPCM in/out */
AudioUnit audiounit;
AudioBufferList *recBufferList;
/* For SPDIF out */
pid_t hog_pid;
gboolean disabled_mixing;
AudioStreamID stream_id;
gboolean revert_format;
AudioStreamBasicDescription stream_format;
AudioStreamBasicDescription original_format;
AudioDeviceIOProcID procID;
};
struct _GstOsxRingBufferClass