Commit c853d8da authored by Andoni Morales Alastruey's avatar Andoni Morales Alastruey Committed by Sebastian Dröge

osxaudio: add support for iOS using the RemoteIO AudioUnit

parent 96210740
......@@ -444,9 +444,19 @@ AG_GST_CHECK_FEATURE(SUNAUDIO, [Sun Audio], sunaudio, [
dnl *** OSX Audio ***
translit(dnm, m, l) AM_CONDITIONAL(USE_OSX_AUDIO, true)
have_ios="no"
AG_GST_CHECK_FEATURE(OSX_AUDIO, [OSX audio], osxaudio, [
AC_CHECK_HEADER(CoreAudio/CoreAudio.h, HAVE_OSX_AUDIO="yes", HAVE_OSX_AUDIO="no")
AC_CHECK_HEADER(CoreAudio/CoreAudio.h,
HAVE_OSX_AUDIO="yes",
dnl *** Check for the iOS headers ***
[AC_CHECK_HEADER(CoreAudio/CoreAudioTypes.h,
[HAVE_OSX_AUDIO="YES";have_ios="yes"], HAVE_OSX_AUDIO="no"
)])
])
if test "x$have_ios" = "xyes"; then
AC_DEFINE(HAVE_IOS, 1, [building for iOS platofrm])
fi
AM_CONDITIONAL(HAVE_IOS, test "x$have_ios" = "xyes")
dnl *** OS X video ***
translit(dnm, m, l) AM_CONDITIONAL(USE_OSX_VIDEO, true)
......
......@@ -16,8 +16,14 @@ libgstosxaudio_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) \
$(GST_BASE_LIBS) \
$(GST_LIBS)
libgstosxaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -Wl,-framework -Wl,CoreAudio -Wl,-framework -Wl,AudioUnit -Wl,-framework -Wl,AudioToolbox -Wl,-framework -Wl,CoreServices
libgstosxaudio_la_LIBTOOLFLAGS = --tag=disable-static
libgstosxaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox
if !HAVE_IOS
libgstosxaudio_la_LDFLAGS += -Wl,-framework,AudioUnit -Wl,-framework,CoreServices
endif
libgstosxaudio_la_LIBTOOLFLAGS = --tag=disable-static --tag=CC
noinst_HEADERS = gstosxaudiosink.h \
gstosxaudioelement.h \
......@@ -25,7 +31,8 @@ noinst_HEADERS = gstosxaudiosink.h \
gstosxaudiosrc.h \
gstosxcoreaudiocommon.h \
gstosxcoreaudio.h \
gstosxcoreaudiohal.c
gstosxcoreaudiohal.c \
gstosxcoreaudioremoteio.c
......@@ -49,8 +49,16 @@
#ifndef __GST_OSX_AUDIO_ELEMENT_H__
#define __GST_OSX_AUDIO_ELEMENT_H__
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gst/gst.h>
#ifdef HAVE_IOS
#include <CoreAudio/CoreAudioTypes.h>
#else
#include <CoreAudio/CoreAudio.h>
#endif
#include <AudioUnit/AudioUnit.h>
G_BEGIN_DECLS
......
......@@ -210,9 +210,11 @@ gst_osx_audio_sink_class_init (GstOsxAudioSinkClass * klass)
gobject_class->set_property = gst_osx_audio_sink_set_property;
gobject_class->get_property = gst_osx_audio_sink_get_property;
#ifndef HAVE_IOS
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 | G_PARAM_STATIC_STRINGS));
#endif
g_object_class_install_property (gobject_class, ARG_VOLUME,
g_param_spec_double ("volume", "Volume", "Volume of this stream",
......@@ -248,9 +250,11 @@ gst_osx_audio_sink_set_property (GObject * object, guint prop_id,
GstOsxAudioSink *sink = GST_OSX_AUDIO_SINK (object);
switch (prop_id) {
#ifndef HAVE_IOS
case ARG_DEVICE:
sink->device_id = g_value_get_int (value);
break;
#endif
case ARG_VOLUME:
sink->volume = g_value_get_double (value);
gst_osx_audio_sink_set_volume (sink);
......@@ -267,9 +271,11 @@ gst_osx_audio_sink_get_property (GObject * object, guint prop_id,
{
GstOsxAudioSink *sink = GST_OSX_AUDIO_SINK (object);
switch (prop_id) {
#ifndef HAVE_IOS
case ARG_DEVICE:
g_value_set_int (value, sink->device_id);
break;
#endif
case ARG_VOLUME:
g_value_set_double (value, sink->volume);
break;
......
......@@ -30,7 +30,11 @@ GST_DEBUG_CATEGORY_STATIC (osx_audio_debug);
G_DEFINE_TYPE (GstCoreAudio, gst_core_audio, G_TYPE_OBJECT);
#ifdef HAVE_IOS
#include "gstosxcoreaudioremoteio.c"
#else
#include "gstosxcoreaudiohal.c"
#endif
static void
......
/*
* GStreamer
* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
* Authors: 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.
*
*/
#import <AudioUnit/AUComponent.h>
static gboolean
gst_core_audio_open_impl (GstCoreAudio * core_audio)
{
return gst_core_audio_open_device (core_audio, kAudioUnitSubType_RemoteIO,
"RemoteIO");
}
static gboolean
gst_core_audio_start_processing_impl (GstCoreAudio * core_audio)
{
return gst_core_audio_io_proc_start (core_audio);
}
static gboolean
gst_core_audio_pause_processing_impl (GstCoreAudio * core_audio)
{
GST_DEBUG_OBJECT (core_audio,
"osx ring buffer pause ioproc: %p device_id %lu",
core_audio->element->io_proc, (gulong) core_audio->device_id);
if (core_audio->io_proc_active) {
/* CoreAudio isn't threadsafe enough to do this here;
* we must deactivate the render callback elsewhere. See:
* http://lists.apple.com/archives/Coreaudio-api/2006/Mar/msg00010.html
*/
core_audio->io_proc_needs_deactivation = TRUE;
}
return TRUE;
}
static gboolean
gst_core_audio_stop_processing_impl (GstCoreAudio * core_audio)
{
gst_core_audio_io_proc_stop (core_audio);
return TRUE;
}
static gboolean
gst_core_audio_get_samples_and_latency_impl (GstCoreAudio * core_audio,
gdouble rate, guint * samples, gdouble * latency)
{
OSStatus status;
UInt32 size;
status = AudioUnitGetProperty (core_audio->audiounit, kAudioUnitProperty_Latency, kAudioUnitScope_Global, 0, /* N/A for global */
latency, &size);
if (status) {
GST_WARNING_OBJECT (core_audio, "Failed to get latency: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
*samples = 0;
return FALSE;
}
*samples = *latency * rate;
return TRUE;
}
static gboolean
gst_core_audio_initialize_impl (GstCoreAudio * core_audio,
AudioStreamBasicDescription format, GstCaps * caps,
gboolean is_passthrough, guint32 * frame_size)
{
core_audio->is_passthrough = is_passthrough;
core_audio->stream_idx = 0;
if (!gst_core_audio_set_format (core_audio, format))
return FALSE;
/* FIXME: Use kAudioSessionProperty_CurrentHardwareSampleRate and
* kAudioSessionProperty_CurrentHardwareIOBufferDuration with property
* listeners to detect changes in screen locks.
* For now use the maximum value */
*frame_size = 4196;
GST_DEBUG_OBJECT (core_audio, "osxbuf ring buffer acquired");
return TRUE;
}
AudioChannelLayout *
gst_core_audio_audio_device_get_channel_layout (AudioDeviceID device_id)
{
return NULL;
}
static gboolean
gst_core_audio_select_device_impl (AudioDeviceID * device_id)
{
/* No device selection in iOS */
return TRUE;
}
static gboolean
gst_core_audio_select_source_device_impl (AudioDeviceID * device_id)
{
return TRUE;
}
static gboolean
gst_core_audio_audio_device_is_spdif_avail_impl (AudioDeviceID device_id)
{
/* No SPDIF in iOS */
return FALSE;
}
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