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sys/osxaudio/: Port of osxaudiosink to 0.10
Original commit message from CVS: 2006-04-26 Zaheer Abbas Merali <zaheerabbas at merali dot org> * sys/osxaudio/Makefile.am: * sys/osxaudio/gstosxaudioelement.c: (gst_osx_audio_element_get_type), (gst_osx_audio_element_class_init): * sys/osxaudio/gstosxaudioelement.h: * sys/osxaudio/gstosxaudiosink.c: (gst_osx_audio_sink_osxelement_do_init), (gst_osx_audio_sink_base_init), (gst_osx_audio_sink_class_init), (gst_osx_audio_sink_init), (gst_osx_audio_sink_set_property), (gst_osx_audio_sink_get_property), (gst_osx_audio_sink_getcaps), (gst_osx_audio_sink_create_ringbuffer), (gst_osx_audio_sink_io_proc), (gst_osx_audio_sink_osxelement_init), (plugin_init): * sys/osxaudio/gstosxaudiosink.h: Port of osxaudiosink to 0.10
This commit is contained in:
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6 changed files with 425 additions and 686 deletions
18
ChangeLog
18
ChangeLog
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@ -1,3 +1,21 @@
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2006-04-26 Zaheer Abbas Merali <zaheerabbas at merali dot org>
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* sys/osxaudio/Makefile.am:
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* sys/osxaudio/gstosxaudioelement.c:
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(gst_osx_audio_element_get_type),
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(gst_osx_audio_element_class_init):
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* sys/osxaudio/gstosxaudioelement.h:
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* sys/osxaudio/gstosxaudiosink.c:
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(gst_osx_audio_sink_osxelement_do_init),
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(gst_osx_audio_sink_base_init), (gst_osx_audio_sink_class_init),
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(gst_osx_audio_sink_init), (gst_osx_audio_sink_set_property),
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(gst_osx_audio_sink_get_property), (gst_osx_audio_sink_getcaps),
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(gst_osx_audio_sink_create_ringbuffer),
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(gst_osx_audio_sink_io_proc), (gst_osx_audio_sink_osxelement_init),
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(plugin_init):
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* sys/osxaudio/gstosxaudiosink.h:
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Port of osxaudiosink to 0.10
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2006-04-26 Wim Taymans <wim@fluendo.com>
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2006-04-26 Wim Taymans <wim@fluendo.com>
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* ext/esd/esdsink.c: (gst_esdsink_prepare), (gst_esdsink_delay):
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* ext/esd/esdsink.c: (gst_esdsink_prepare), (gst_esdsink_delay):
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@ -1,19 +1,16 @@
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plugin_LTLIBRARIES = libgstosxaudio.la
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plugin_LTLIBRARIES = libgstosxaudio.la
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libgstosxaudio_la_SOURCES = gstosxaudio.c \
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libgstosxaudio_la_SOURCES = gstosxringbuffer.c \
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gstosxaudioelement.c \
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gstosxaudioelement.c \
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gstosxaudiosink.c \
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gstosxaudiosink.c
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gstosxaudiosrc.c
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# FIXME: clean up these linker flags
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libgstosxaudio_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GSTPB_BASE_FLAGS)
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libgstosxaudio_la_CFLAGS = $(GST_CFLAGS)
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libgstosxaudio_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS) $(GSTPB_BASE_LIBS) -lgstaudio-@GST_MAJORMINOR@
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libgstosxaudio_la_LIBADD = $(top_builddir)/gst-libs/gst/libgstinterfaces-@GST_MAJORMINOR@.la $(GST_LIBS)
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libgstosxaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -Wl,-framework -Wl,CoreAudio
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LIBS = -Wl,-framework -Wl,CoreAudio
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libgstosxaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -framework CoreAudio
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noinst_HEADERS = gstosxaudiosink.h \
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noinst_HEADERS = gstosxaudiosink.h \
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gstosxaudioelement.h \
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gstosxaudioelement.h \
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gstosxaudiosrc.h
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gstosxringbuffer.h
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@ -1,8 +1,29 @@
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/* GStreamer
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/*
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* GStreamer
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* 2000 Wim Taymans <wim.taymans@chello.be>
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* Copyright 2006 Zaheer Abbas Merali <zaheerabbas at merali dot org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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*
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* gstosxaudioelement.c:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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*
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* This library is free software; you can redistribute it and/or
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* modify it under the terms of the GNU Library General Public
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@ -20,430 +41,50 @@
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* Boston, MA 02111-1307, USA.
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* Boston, MA 02111-1307, USA.
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*/
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*/
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#ifdef HAVE_CONFIG_H
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#include <gst/gst.h>
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#include "config.h"
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#endif
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#include <CoreAudio/CoreAudio.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include "gstosxaudioelement.h"
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#include "gstosxaudioelement.h"
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enum
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static void
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{
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gst_osx_audio_element_class_init (GstOsxAudioElementInterface * klass);
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ARG_0,
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ARG_DEVICE
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};
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/* elementfactory information */
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static const GstElementDetails gst_osxaudioelement_details =
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GST_ELEMENT_DETAILS ("Audio Mixer (OSX)",
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"Generic/Audio",
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"Mac OS X audio mixer element",
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"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
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static void gst_osxaudioelement_base_init (GstOsxAudioElementClass * klass);
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static void gst_osxaudioelement_class_init (GstOsxAudioElementClass * klass);
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static void gst_osxaudioelement_init (GstOsxAudioElement * osxaudio);
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static void gst_osxaudioelement_dispose (GObject * object);
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static void gst_osxaudioelement_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_osxaudioelement_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static GstStateChangeReturn gst_osxaudioelement_change_state (GstElement *
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element);
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static GstElementClass *parent_class = NULL;
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GType
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GType
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gst_osxaudioelement_get_type (void)
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gst_osx_audio_element_get_type ()
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{
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{
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static GType osxaudioelement_type = 0;
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static GType gst_osxaudioelement_type = 0;
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if (!osxaudioelement_type) {
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if (!gst_osxaudioelement_type) {
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static const GTypeInfo osxaudioelement_info = {
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static const GTypeInfo gst_osxaudioelement_info = {
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sizeof (GstOsxAudioElementClass),
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sizeof (GstOsxAudioElementInterface),
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(GBaseInitFunc) gst_osxaudioelement_base_init,
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(GBaseInitFunc) gst_osx_audio_element_class_init,
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NULL,
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NULL,
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(GClassInitFunc) gst_osxaudioelement_class_init,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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sizeof (GstOsxAudioElement),
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0,
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0,
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(GInstanceInitFunc) gst_osxaudioelement_init
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0,
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NULL,
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};
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};
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osxaudioelement_type = g_type_register_static (GST_TYPE_ELEMENT,
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gst_osxaudioelement_type = g_type_register_static (G_TYPE_INTERFACE,
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"GstOsxAudioElement", &osxaudioelement_info, 0);
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"GstOsxAudioElement", &gst_osxaudioelement_info, 0);
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/*g_type_interface_add_prerequisite (gst_osxaudioelement_type,
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GST_TYPE_IMPLEMENTS_INTERFACE); */
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}
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}
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return osxaudioelement_type;
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return gst_osxaudioelement_type;
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}
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}
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static void
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static void
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gst_osxaudioelement_base_init (GstOsxAudioElementClass * klass)
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gst_osx_audio_element_class_init (GstOsxAudioElementInterface * klass)
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{
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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static gboolean initialized = FALSE;
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klass->device_combinations = NULL;
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if (!initialized) {
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gst_element_class_set_details (element_class, &gst_osxaudioelement_details);
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initialized = TRUE;
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}
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static void
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gst_osxaudioelement_class_init (GstOsxAudioElementClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DEVICE,
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g_param_spec_int ("device", "Device index",
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"Mac OS X CoreAudio Device Index (0 usually)", 0, G_MAXINT, 0,
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G_PARAM_READWRITE));
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gobject_class->set_property = gst_osxaudioelement_set_property;
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gobject_class->get_property = gst_osxaudioelement_get_property;
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gobject_class->dispose = gst_osxaudioelement_dispose;
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gstelement_class->change_state = gst_osxaudioelement_change_state;
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}
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static void
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gst_osxaudioelement_init (GstOsxAudioElement * osxaudio)
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{
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OSStatus status;
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UInt32 propertySize;
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pthread_mutex_init (&osxaudio->buffer_mutex, NULL);
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pthread_mutex_unlock (&osxaudio->buffer_mutex);
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propertySize = sizeof (osxaudio->device_id);
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status =
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AudioHardwareGetProperty (kAudioHardwarePropertyDefaultOutputDevice,
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&propertySize, &(osxaudio->device_id));
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if (status) {
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GST_DEBUG ("AudioHardwareGetProperty returned %d\n", (int) status);
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}
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if (osxaudio->device_id == kAudioDeviceUnknown) {
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GST_DEBUG ("AudioHardwareGetProperty: device_id is kAudioDeviceUnknown\n");
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}
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/* get requested buffer length */
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propertySize = sizeof (osxaudio->buffer_len);
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status =
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AudioDeviceGetProperty (osxaudio->device_id, 0, false,
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kAudioDevicePropertyBufferSize, &propertySize, &osxaudio->buffer_len);
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if (status) {
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GST_DEBUG
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("AudioDeviceGetProperty returned %d when getting kAudioDevicePropertyBufferSize\n",
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(int) status);
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}
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GST_DEBUG ("%5d osxaudio->buffer_len\n", (int) osxaudio->buffer_len);
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}
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static void
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gst_osxaudioelement_dispose (GObject * object)
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{
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/* GstOsxAudioElement *osxaudio = (GstOsxAudioElement *) object; */
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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/* General purpose Ring-buffering routines */
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int
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write_buffer (GstOsxAudioElement * osxaudio, unsigned char *data, int len)
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{
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int len2 = 0;
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int x;
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while (len > 0) {
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if (osxaudio->full_buffers == NUM_BUFS) {
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GST_DEBUG ("Buffer overrun\n");
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break;
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}
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x = osxaudio->buffer_len - osxaudio->buf_write_pos;
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if (x > len)
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x = len;
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memcpy (osxaudio->buffer[osxaudio->buf_write] + osxaudio->buf_write_pos,
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data + len2, x);
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/* accessing common variables, locking mutex */
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pthread_mutex_lock (&osxaudio->buffer_mutex);
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len2 += x;
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len -= x;
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osxaudio->buffered_bytes += x;
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osxaudio->buf_write_pos += x;
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if (osxaudio->buf_write_pos >= osxaudio->buffer_len) {
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/* block is full, find next! */
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osxaudio->buf_write = (osxaudio->buf_write + 1) % NUM_BUFS;
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++osxaudio->full_buffers;
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osxaudio->buf_write_pos = 0;
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}
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pthread_mutex_unlock (&osxaudio->buffer_mutex);
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}
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}
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return len2;
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/* default virtual functions */
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}
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klass->io_proc = NULL;
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int
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read_buffer (GstOsxAudioElement * osxaudio, unsigned char *data)
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{
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int len2 = 0;
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int len = osxaudio->buffer_len;
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int x;
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while (len > 0) {
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if (osxaudio->full_buffers == 0) {
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GST_DEBUG ("Buffer underrun\n");
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break;
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}
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x = osxaudio->buffer_len - osxaudio->buf_read_pos;
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if (x > len)
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x = len;
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memcpy (data + len2,
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osxaudio->buffer[osxaudio->buf_read] + osxaudio->buf_read_pos, x);
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len2 += x;
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len -= x;
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/* accessing common variables, locking mutex */
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pthread_mutex_lock (&osxaudio->buffer_mutex);
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osxaudio->buffered_bytes -= x;
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osxaudio->buf_read_pos += x;
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if (osxaudio->buf_read_pos >= osxaudio->buffer_len) {
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/* block is empty, find next! */
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osxaudio->buf_read = (osxaudio->buf_read + 1) % NUM_BUFS;
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--osxaudio->full_buffers;
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osxaudio->buf_read_pos = 0;
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}
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pthread_mutex_unlock (&osxaudio->buffer_mutex);
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}
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return len2;
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}
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/* The function that the CoreAudio thread calls when it has data */
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OSStatus
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inputAudioDeviceIOProc (AudioDeviceID inDevice, const AudioTimeStamp * inNow,
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const AudioBufferList * inInputData, const AudioTimeStamp * inInputTime,
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AudioBufferList * outOutputData, const AudioTimeStamp * inOutputTime,
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void *inClientData)
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{
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GstOsxAudioElement *osxaudio = GST_OSXAUDIOELEMENT (inClientData);
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write_buffer (GST_OSXAUDIOELEMENT (osxaudio),
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(char *) inInputData->mBuffers[0].mData, osxaudio->buffer_len);
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return 0;
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}
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/* The function that the CoreAudio thread calls when it wants more data */
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OSStatus
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outputAudioDeviceIOProc (AudioDeviceID inDevice, const AudioTimeStamp * inNow,
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const AudioBufferList * inInputData, const AudioTimeStamp * inInputTime,
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|
||||||
AudioBufferList * outOutputData, const AudioTimeStamp * inOutputTime,
|
|
||||||
void *inClientData)
|
|
||||||
{
|
|
||||||
GstOsxAudioElement *osxaudio = GST_OSXAUDIOELEMENT (inClientData);
|
|
||||||
|
|
||||||
outOutputData->mBuffers[0].mDataByteSize =
|
|
||||||
read_buffer (osxaudio, (char *) outOutputData->mBuffers[0].mData);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_osxaudioelement_open_audio (GstOsxAudioElement * osxaudio, gboolean input)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
OSErr status;
|
|
||||||
|
|
||||||
GST_INFO ("osxaudioelement: attempting to open sound device");
|
|
||||||
|
|
||||||
/* Allocate ring-buffer memory */
|
|
||||||
for (i = 0; i < NUM_BUFS; i++)
|
|
||||||
osxaudio->buffer[i] = (unsigned char *) malloc (osxaudio->buffer_len);
|
|
||||||
if (input) {
|
|
||||||
status =
|
|
||||||
AudioDeviceAddIOProc (osxaudio->device_id, inputAudioDeviceIOProc,
|
|
||||||
osxaudio);
|
|
||||||
} else {
|
|
||||||
/* Set the IO proc that CoreAudio will call when it needs data */
|
|
||||||
status =
|
|
||||||
AudioDeviceAddIOProc (osxaudio->device_id, outputAudioDeviceIOProc,
|
|
||||||
osxaudio);
|
|
||||||
}
|
|
||||||
if (status) {
|
|
||||||
GST_DEBUG ("AudioDeviceAddIOProc returned %d\n", (int) status);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
pthread_mutex_lock (&osxaudio->buffer_mutex);
|
|
||||||
|
|
||||||
/* reset ring-buffer state */
|
|
||||||
osxaudio->buf_read = 0;
|
|
||||||
osxaudio->buf_write = 0;
|
|
||||||
osxaudio->buf_read_pos = 0;
|
|
||||||
osxaudio->buf_write_pos = 0;
|
|
||||||
|
|
||||||
osxaudio->full_buffers = 0;
|
|
||||||
osxaudio->buffered_bytes = 0;
|
|
||||||
|
|
||||||
/* zero buffer */
|
|
||||||
for (i = 0; i < NUM_BUFS; i++)
|
|
||||||
bzero (osxaudio->buffer[i], osxaudio->buffer_len);
|
|
||||||
|
|
||||||
pthread_mutex_unlock (&osxaudio->buffer_mutex);
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_osxaudioelement_close_audio (GstOsxAudioElement * osxaudio, gboolean input)
|
|
||||||
{
|
|
||||||
OSErr status;
|
|
||||||
int i;
|
|
||||||
|
|
||||||
/* stop callback */
|
|
||||||
if (input) {
|
|
||||||
status = AudioDeviceStop (osxaudio->device_id, inputAudioDeviceIOProc);
|
|
||||||
} else {
|
|
||||||
status = AudioDeviceStop (osxaudio->device_id, outputAudioDeviceIOProc);
|
|
||||||
}
|
|
||||||
if (status)
|
|
||||||
GST_DEBUG ("AudioDeviceStop returned %d\n", (int) status);
|
|
||||||
|
|
||||||
if (input) {
|
|
||||||
status =
|
|
||||||
AudioDeviceRemoveIOProc (osxaudio->device_id, inputAudioDeviceIOProc);
|
|
||||||
} else {
|
|
||||||
status =
|
|
||||||
AudioDeviceRemoveIOProc (osxaudio->device_id, outputAudioDeviceIOProc);
|
|
||||||
}
|
|
||||||
if (status)
|
|
||||||
GST_DEBUG ("AudioDeviceRemoveIOProc " "returned %d\n", (int) status);
|
|
||||||
|
|
||||||
for (i = 0; i < NUM_BUFS; i++)
|
|
||||||
free (osxaudio->buffer[i]);
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
|
||||||
gst_osxaudioelement_set_property (GObject * object,
|
|
||||||
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
||||||
{
|
|
||||||
GstOsxAudioElement *osxaudio = GST_OSXAUDIOELEMENT (object);
|
|
||||||
OSStatus status;
|
|
||||||
int nDevices;
|
|
||||||
UInt32 propertySize;
|
|
||||||
int deviceid;
|
|
||||||
AudioDeviceID *devids;
|
|
||||||
|
|
||||||
switch (prop_id) {
|
|
||||||
case ARG_DEVICE:
|
|
||||||
/* check index given is in bounds, if not use default device */
|
|
||||||
status = AudioHardwareGetPropertyInfo (kAudioHardwarePropertyDevices,
|
|
||||||
&propertySize, NULL);
|
|
||||||
nDevices = propertySize / sizeof (AudioDeviceID);
|
|
||||||
deviceid = g_value_get_int (value);
|
|
||||||
if (deviceid < nDevices) {
|
|
||||||
devids = malloc (propertySize);
|
|
||||||
status =
|
|
||||||
AudioHardwareGetProperty (kAudioHardwarePropertyDevices,
|
|
||||||
&propertySize, devids);
|
|
||||||
osxaudio->device_id = devids[deviceid];
|
|
||||||
free (devids);
|
|
||||||
} else {
|
|
||||||
GST_DEBUG ("device index %d out of range. Max index is currently %d\n",
|
|
||||||
deviceid, nDevices);
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_osxaudioelement_get_property (GObject * object,
|
|
||||||
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
||||||
{
|
|
||||||
GstOsxAudioElement *osxaudio = GST_OSXAUDIOELEMENT (object);
|
|
||||||
OSStatus status;
|
|
||||||
int nDevices;
|
|
||||||
UInt32 propertySize;
|
|
||||||
AudioDeviceID *devids;
|
|
||||||
int i;
|
|
||||||
|
|
||||||
switch (prop_id) {
|
|
||||||
case ARG_DEVICE:
|
|
||||||
/* figure out what index the current one is */
|
|
||||||
status = AudioHardwareGetPropertyInfo (kAudioHardwarePropertyDevices,
|
|
||||||
&propertySize, NULL);
|
|
||||||
nDevices = propertySize / sizeof (AudioDeviceID);
|
|
||||||
devids = malloc (propertySize);
|
|
||||||
status =
|
|
||||||
AudioHardwareGetProperty (kAudioHardwarePropertyDevices,
|
|
||||||
&propertySize, devids);
|
|
||||||
for (i = 0; i < nDevices; i++) {
|
|
||||||
if (osxaudio->device_id == devids[i])
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
g_value_set_int (value, i);
|
|
||||||
free (devids);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static GstStateChangeReturn
|
|
||||||
gst_osxaudioelement_change_state (GstElement * element,
|
|
||||||
GstStateChange transition)
|
|
||||||
{
|
|
||||||
GstOsxAudioElement *osxaudio = GST_OSXAUDIOELEMENT (element);
|
|
||||||
const GList *padlist;
|
|
||||||
gboolean input = TRUE;
|
|
||||||
|
|
||||||
padlist = gst_element_get_pad_list (element);
|
|
||||||
if (padlist != NULL) {
|
|
||||||
GstPad *firstpad = padlist->data;
|
|
||||||
|
|
||||||
if (GST_PAD_IS_SINK (firstpad)) {
|
|
||||||
input = FALSE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
switch (transition) {
|
|
||||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
||||||
if (!gst_osxaudioelement_open_audio (osxaudio, input)) {
|
|
||||||
return GST_STATE_CHANGE_FAILURE;
|
|
||||||
}
|
|
||||||
GST_INFO ("osxaudioelement: opened sound device");
|
|
||||||
break;
|
|
||||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
||||||
gst_osxaudioelement_close_audio (osxaudio, input);
|
|
||||||
GST_INFO ("osxaudioelement: closed sound device");
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
|
||||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
||||||
|
|
||||||
return GST_STATE_CHANGE_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
|
@ -1,8 +1,29 @@
|
||||||
/* GStreamer
|
/*
|
||||||
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
* GStreamer
|
||||||
* 2000 Wim Taymans <wim.taymans@chello.be>
|
* 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:
|
||||||
*
|
*
|
||||||
* gstosxaudioelement.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
|
* This library is free software; you can redistribute it and/or
|
||||||
* modify it under the terms of the GNU Library General Public
|
* modify it under the terms of the GNU Library General Public
|
||||||
|
@ -20,72 +41,27 @@
|
||||||
* Boston, MA 02111-1307, USA.
|
* Boston, MA 02111-1307, USA.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef __GST_OSXAUDIO_ELEMENT_H__
|
#ifndef __GST_OSX_AUDIO_ELEMENT_H__
|
||||||
#define __GST_OSXAUDIO_ELEMENT_H__
|
#define __GST_OSX_AUDIO_ELEMENT_H__
|
||||||
|
|
||||||
#include <gst/gst.h>
|
#include <gst/gst.h>
|
||||||
#include <CoreAudio/CoreAudio.h>
|
#include <CoreAudio/CoreAudio.h>
|
||||||
#include <pthread.h>
|
|
||||||
|
|
||||||
/* debugging category */
|
#define GST_OSX_AUDIO_ELEMENT_TYPE (gst_osx_audio_element_get_type())
|
||||||
GST_DEBUG_CATEGORY_EXTERN (osxaudio_debug);
|
#define GST_OSX_AUDIO_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_OSX_AUDIO_ELEMENT_TYPE, GstOsxAudioElementInterface))
|
||||||
#define GST_CAT_DEFAULT osxaudio_debug
|
#define GST_IS_OSX_AUDIO_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_OSX_AUDIO_ELEMENT_TYPE))
|
||||||
|
#define GST_OSX_AUDIO_ELEMENT_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_OSX_AUDIO_ELEMENT_TYPE, GstOsxAudioElementInterface))
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
typedef struct _GstOsxAudioElementInterface GstOsxAudioElementInterface;
|
||||||
|
|
||||||
OSStatus outputAudioDeviceIOProc(AudioDeviceID inDevice, const AudioTimeStamp *inNow, const AudioBufferList *inInputData, const AudioTimeStamp *inInputTime, AudioBufferList *outOutputData, const AudioTimeStamp *inOutputTime, void *inClientData);
|
|
||||||
|
|
||||||
OSStatus inputAudioDeviceIOProc(AudioDeviceID inDevice, const AudioTimeStamp *inNow, const AudioBufferList *inInputData, const AudioTimeStamp *inInputTime, AudioBufferList *outOutputData, const AudioTimeStamp *inOutputTime, void *inClientData);
|
|
||||||
|
|
||||||
#define GST_TYPE_OSXAUDIOELEMENT \
|
|
||||||
(gst_osxaudioelement_get_type())
|
|
||||||
#define GST_OSXAUDIOELEMENT(obj) \
|
|
||||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSXAUDIOELEMENT,GstOsxAudioElement))
|
|
||||||
#define GST_OSXAUDIOELEMENT_CLASS(klass) \
|
|
||||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSXAUDIOELEMENT,GstOsxAudioElementClass))
|
|
||||||
#define GST_IS_OSXAUDIOELEMENT(obj) \
|
|
||||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSXAUDIOELEMENT))
|
|
||||||
#define GST_IS_OSXAUDIOELEMENT_CLASS(klass) \
|
|
||||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSXAUDIOELEMENT))
|
|
||||||
#define GST_OSXAUDIOELEMENT_GET_CLASS(obj) \
|
|
||||||
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OSXAUDIOELEMENT, GstOsxAudioElementClass))
|
|
||||||
|
|
||||||
typedef struct _GstOsxAudioElement GstOsxAudioElement;
|
|
||||||
typedef struct _GstOsxAudioElementClass GstOsxAudioElementClass;
|
|
||||||
|
|
||||||
/* This is large, but best (maybe it should be even larger).
|
|
||||||
* CoreAudio supposedly has an internal latency in the order of 2ms */
|
|
||||||
#define NUM_BUFS 128
|
|
||||||
|
|
||||||
struct _GstOsxAudioElement
|
|
||||||
{
|
|
||||||
/* yes, we're a gstelement too */
|
|
||||||
GstElement parent;
|
|
||||||
|
|
||||||
pthread_mutex_t buffer_mutex; /* mutex covering buffer variables */
|
|
||||||
AudioDeviceID device_id;
|
|
||||||
|
|
||||||
unsigned char *buffer[NUM_BUFS];
|
|
||||||
unsigned int buffer_len;
|
|
||||||
|
|
||||||
unsigned int buf_read;
|
|
||||||
unsigned int buf_write;
|
|
||||||
unsigned int buf_read_pos;
|
|
||||||
unsigned int buf_write_pos;
|
|
||||||
int full_buffers;
|
|
||||||
int buffered_bytes;
|
|
||||||
|
|
||||||
|
struct _GstOsxAudioElementInterface {
|
||||||
|
GTypeInterface parent;
|
||||||
|
|
||||||
|
OSStatus (*io_proc) (AudioDeviceID inDevice, const AudioTimeStamp *inNow, const AudioBufferList *inInputData, const AudioTimeStamp *inInputTime, AudioBufferList *outOutputData, const AudioTimeStamp *inOutputTime, void *inClientData);
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct _GstOsxAudioElementClass {
|
GType gst_osx_audio_element_get_type (void);
|
||||||
GstElementClass klass;
|
|
||||||
|
|
||||||
GList *device_combinations;
|
|
||||||
};
|
|
||||||
|
|
||||||
GType gst_osxaudioelement_get_type (void);
|
#endif
|
||||||
int read_buffer(GstOsxAudioElement* osxaudio, unsigned char* data);
|
|
||||||
int write_buffer(GstOsxAudioElement* osxaudio, unsigned char* data, int len);
|
|
||||||
G_END_DECLS
|
|
||||||
|
|
||||||
#endif /* __GST_OSXAUDIO_ELEMENT_H__ */
|
|
|
@ -1,8 +1,29 @@
|
||||||
/* GStreamer
|
/*
|
||||||
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
* GStreamer
|
||||||
* 2000 Wim Taymans <wim.taymans@chello.be>
|
* 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:
|
||||||
*
|
*
|
||||||
* gstosxaudiosink.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
|
* This library is free software; you can redistribute it and/or
|
||||||
* modify it under the terms of the GNU Library General Public
|
* modify it under the terms of the GNU Library General Public
|
||||||
|
@ -20,213 +41,297 @@
|
||||||
* Boston, MA 02111-1307, USA.
|
* Boston, MA 02111-1307, USA.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* SECTION:element-plugin
|
||||||
|
*
|
||||||
|
* <refsect2>
|
||||||
|
* <title>Example launch line</title>
|
||||||
|
* <para>
|
||||||
|
* <programlisting>
|
||||||
|
* gst-launch -v -m audiotestsrc ! audioconvert ! osxaudiosink
|
||||||
|
* </programlisting>
|
||||||
|
* </para>
|
||||||
|
* </refsect2>
|
||||||
|
*/
|
||||||
|
|
||||||
#ifdef HAVE_CONFIG_H
|
#ifdef HAVE_CONFIG_H
|
||||||
#include "config.h"
|
# include <config.h>
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
#include <CoreAudio/CoreAudio.h>
|
#include <CoreAudio/CoreAudio.h>
|
||||||
#include <errno.h>
|
|
||||||
#include <unistd.h>
|
|
||||||
#include <string.h>
|
|
||||||
|
|
||||||
#include "gstosxaudiosink.h"
|
#include "gstosxaudiosink.h"
|
||||||
|
#include "gstosxaudioelement.h"
|
||||||
|
|
||||||
/* elementfactory information */
|
GST_DEBUG_CATEGORY_STATIC (osx_audiosink_debug);
|
||||||
static const GstElementDetails gst_osxaudiosink_details =
|
#define GST_CAT_DEFAULT osx_audiosink_debug
|
||||||
GST_ELEMENT_DETAILS ("Audio Sink (Mac OS X)",
|
|
||||||
|
static GstElementDetails gst_osx_audio_sink_details =
|
||||||
|
GST_ELEMENT_DETAILS ("Audio Sink (OSX)",
|
||||||
"Sink/Audio",
|
"Sink/Audio",
|
||||||
"Output to a Mac OS X CoreAudio Sound Device",
|
"Output to a sound card in OS X",
|
||||||
"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
|
"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
|
||||||
|
|
||||||
static void gst_osxaudiosink_base_init (gpointer g_class);
|
/* Filter signals and args */
|
||||||
static void gst_osxaudiosink_class_init (GstOsxAudioSinkClass * klass);
|
|
||||||
static void gst_osxaudiosink_init (GstOsxAudioSink * osxaudiosink);
|
|
||||||
static void gst_osxaudiosink_dispose (GObject * object);
|
|
||||||
|
|
||||||
static GstStateChangeReturn gst_osxaudiosink_change_state (GstElement *
|
|
||||||
element);
|
|
||||||
|
|
||||||
static void gst_osxaudiosink_chain (GstPad * pad, GstData * _data);
|
|
||||||
|
|
||||||
/* OssSink signals and args */
|
|
||||||
enum
|
enum
|
||||||
{
|
{
|
||||||
SIGNAL_HANDOFF,
|
/* FILL ME */
|
||||||
LAST_SIGNAL
|
LAST_SIGNAL
|
||||||
};
|
};
|
||||||
|
|
||||||
static GstStaticPadTemplate osxaudiosink_sink_factory =
|
enum
|
||||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
{
|
||||||
|
ARG_0,
|
||||||
|
ARG_DEVICE
|
||||||
|
};
|
||||||
|
|
||||||
|
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
|
||||||
GST_PAD_SINK,
|
GST_PAD_SINK,
|
||||||
GST_PAD_ALWAYS,
|
GST_PAD_ALWAYS,
|
||||||
GST_STATIC_CAPS ("audio/x-raw-float, "
|
GST_STATIC_CAPS ("audio/x-raw-float, "
|
||||||
"endianness = (int) BYTE_ORDER, "
|
"endianness = (int) {" G_STRINGIFY (G_BYTE_ORDER) " }, "
|
||||||
"signed = (boolean) TRUE, "
|
"signed = (boolean) { TRUE }, "
|
||||||
"width = (int) 32, " "rate = (int) 44100, " "channels = (int) 2")
|
"width = (int) 32, " "rate = (int) 44100, " "channels = (int) 2")
|
||||||
);
|
);
|
||||||
|
|
||||||
static GstElementClass *parent_class = NULL;
|
static void gst_osx_audio_sink_set_property (GObject * object, guint prop_id,
|
||||||
static guint gst_osssink_signals[LAST_SIGNAL] = { 0 };
|
const GValue * value, GParamSpec * pspec);
|
||||||
|
static void gst_osx_audio_sink_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec);
|
||||||
|
static GstCaps *gst_osx_audio_sink_getcaps (GstBaseSink * sink);
|
||||||
|
|
||||||
GType
|
|
||||||
gst_osxaudiosink_get_type (void)
|
static GstRingBuffer *gst_osx_audio_sink_create_ringbuffer (GstBaseAudioSink *
|
||||||
|
sink);
|
||||||
|
/*static GstCaps* gst_osx_audio_sink_getcaps (GstBaseSink * bsink);*/
|
||||||
|
static void gst_osx_audio_sink_osxelement_init (gpointer g_iface,
|
||||||
|
gpointer iface_data);
|
||||||
|
OSStatus gst_osx_audio_sink_io_proc (AudioDeviceID inDevice,
|
||||||
|
const AudioTimeStamp * inNow, const AudioBufferList * inInputData,
|
||||||
|
const AudioTimeStamp * inInputTime, AudioBufferList * outOutputData,
|
||||||
|
const AudioTimeStamp * inOutputTime, void *inClientData);
|
||||||
|
static void
|
||||||
|
gst_osx_audio_sink_osxelement_do_init (GType type)
|
||||||
{
|
{
|
||||||
static GType osxaudiosink_type = 0;
|
static const GInterfaceInfo osxelement_info = {
|
||||||
|
gst_osx_audio_sink_osxelement_init,
|
||||||
|
NULL,
|
||||||
|
NULL
|
||||||
|
};
|
||||||
|
|
||||||
if (!osxaudiosink_type) {
|
GST_DEBUG_CATEGORY_INIT (osx_audiosink_debug, "osxaudiosink", 0,
|
||||||
static const GTypeInfo osxaudiosink_info = {
|
"OSX Audio Sink");
|
||||||
sizeof (GstOsxAudioSinkClass),
|
GST_DEBUG ("Adding static interface\n");
|
||||||
gst_osxaudiosink_base_init,
|
g_type_add_interface_static (type, GST_OSX_AUDIO_ELEMENT_TYPE,
|
||||||
NULL,
|
&osxelement_info);
|
||||||
(GClassInitFunc) gst_osxaudiosink_class_init,
|
|
||||||
NULL,
|
|
||||||
NULL,
|
|
||||||
sizeof (GstOsxAudioSink),
|
|
||||||
0,
|
|
||||||
(GInstanceInitFunc) gst_osxaudiosink_init,
|
|
||||||
};
|
|
||||||
|
|
||||||
osxaudiosink_type =
|
|
||||||
g_type_register_static (GST_TYPE_OSXAUDIOELEMENT, "GstOsxAudioSink",
|
|
||||||
&osxaudiosink_info, 0);
|
|
||||||
}
|
|
||||||
|
|
||||||
return osxaudiosink_type;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
GST_BOILERPLATE_FULL (GstOsxAudioSink, gst_osx_audio_sink, GstBaseAudioSink,
|
||||||
gst_osxaudiosink_dispose (GObject * object)
|
GST_TYPE_BASE_AUDIO_SINK, gst_osx_audio_sink_osxelement_do_init)
|
||||||
{
|
|
||||||
/* GstOsxAudioSink *osxaudiosink = (GstOsxAudioSink *) object; */
|
|
||||||
|
|
||||||
/*gst_object_unparent (GST_OBJECT (osxaudiosink->provided_clock)); */
|
|
||||||
|
|
||||||
G_OBJECT_CLASS (parent_class)->dispose (object);
|
static void gst_osx_audio_sink_base_init (gpointer g_class)
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_osxaudiosink_base_init (gpointer g_class)
|
|
||||||
{
|
{
|
||||||
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
||||||
|
|
||||||
gst_element_class_set_details (element_class, &gst_osxaudiosink_details);
|
|
||||||
gst_element_class_add_pad_template (element_class,
|
gst_element_class_add_pad_template (element_class,
|
||||||
gst_static_pad_template_get (&osxaudiosink_sink_factory));
|
gst_static_pad_template_get (&sink_factory));
|
||||||
|
|
||||||
|
gst_element_class_set_details (element_class, &gst_osx_audio_sink_details);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* initialize the plugin's class */
|
||||||
static void
|
static void
|
||||||
gst_osxaudiosink_class_init (GstOsxAudioSinkClass * klass)
|
gst_osx_audio_sink_class_init (GstOsxAudioSinkClass * klass)
|
||||||
{
|
{
|
||||||
GObjectClass *gobject_class;
|
GObjectClass *gobject_class;
|
||||||
GstElementClass *gstelement_class;
|
GstElementClass *gstelement_class;
|
||||||
|
GstBaseSinkClass *gstbasesink_class;
|
||||||
|
GstBaseAudioSinkClass *gstbaseaudiosink_class;
|
||||||
|
|
||||||
gobject_class = (GObjectClass *) klass;
|
gobject_class = (GObjectClass *) klass;
|
||||||
gstelement_class = (GstElementClass *) klass;
|
gstelement_class = (GstElementClass *) klass;
|
||||||
|
gstbasesink_class = (GstBaseSinkClass *) klass;
|
||||||
|
gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass;
|
||||||
|
|
||||||
parent_class = g_type_class_peek_parent (klass);
|
parent_class = g_type_class_peek_parent (klass);
|
||||||
|
|
||||||
gst_osssink_signals[SIGNAL_HANDOFF] =
|
gobject_class->set_property =
|
||||||
g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
|
GST_DEBUG_FUNCPTR (gst_osx_audio_sink_set_property);
|
||||||
G_STRUCT_OFFSET (GstOsxAudioSinkClass, handoff), NULL, NULL,
|
gobject_class->get_property =
|
||||||
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
|
GST_DEBUG_FUNCPTR (gst_osx_audio_sink_get_property);
|
||||||
|
|
||||||
gobject_class->dispose = gst_osxaudiosink_dispose;
|
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));
|
||||||
|
|
||||||
|
gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_osx_audio_sink_getcaps);
|
||||||
|
gstbaseaudiosink_class->create_ringbuffer =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_osx_audio_sink_create_ringbuffer);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* initialize the new element
|
||||||
|
* instantiate pads and add them to element
|
||||||
|
* set functions
|
||||||
|
* initialize structure
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
gst_osx_audio_sink_init (GstOsxAudioSink * sink, GstOsxAudioSinkClass * gclass)
|
||||||
|
{
|
||||||
|
/* GstElementClass *klass = GST_ELEMENT_GET_CLASS (sink); */
|
||||||
|
sink->ringbuffer = NULL;
|
||||||
|
GST_DEBUG ("Initialising object\n");
|
||||||
|
gst_osx_audio_sink_create_ringbuffer (sink);
|
||||||
|
|
||||||
gstelement_class->change_state =
|
|
||||||
GST_DEBUG_FUNCPTR (gst_osxaudiosink_change_state);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
static void
|
||||||
gst_osxaudiosink_init (GstOsxAudioSink * osxaudiosink)
|
gst_osx_audio_sink_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec)
|
||||||
{
|
{
|
||||||
osxaudiosink->sinkpad =
|
GstOsxAudioSink *sink = GST_OSX_AUDIO_SINK (object);
|
||||||
gst_pad_new_from_template (gst_static_pad_template_get
|
|
||||||
(&osxaudiosink_sink_factory), "sink");
|
|
||||||
gst_element_add_pad (GST_ELEMENT (osxaudiosink), osxaudiosink->sinkpad);
|
|
||||||
|
|
||||||
gst_pad_set_chain_function (osxaudiosink->sinkpad, gst_osxaudiosink_chain);
|
switch (prop_id) {
|
||||||
|
case ARG_DEVICE:
|
||||||
GST_DEBUG ("initializing osxaudiosink");
|
if (sink->ringbuffer)
|
||||||
|
sink->ringbuffer->device_id = g_value_get_int (value);
|
||||||
GST_OBJECT_FLAG_SET (osxaudiosink, GST_ELEMENT_THREAD_SUGGESTED);
|
|
||||||
GST_OBJECT_FLAG_SET (osxaudiosink, GST_ELEMENT_EVENT_AWARE);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_osxaudiosink_chain (GstPad * pad, GstData * _data)
|
|
||||||
{
|
|
||||||
GstBuffer *buf = GST_BUFFER (_data);
|
|
||||||
GstOsxAudioSink *osxaudiosink;
|
|
||||||
guchar *data;
|
|
||||||
guint to_write;
|
|
||||||
gint amount_written;
|
|
||||||
|
|
||||||
/* this has to be an audio buffer */
|
|
||||||
osxaudiosink = GST_OSXAUDIOSINK (gst_pad_get_parent (pad));
|
|
||||||
|
|
||||||
if (GST_IS_EVENT (buf)) {
|
|
||||||
GstEvent *event = GST_EVENT (buf);
|
|
||||||
|
|
||||||
switch (GST_EVENT_TYPE (event)) {
|
|
||||||
case GST_EVENT_EOS:
|
|
||||||
gst_pad_event_default (pad, event);
|
|
||||||
gst_object_unref (osxaudiosink);
|
|
||||||
return;
|
|
||||||
case GST_EVENT_DISCONTINUOUS:
|
|
||||||
/* pass-through */
|
|
||||||
default:
|
|
||||||
gst_object_unref (osxaudiosink);
|
|
||||||
gst_pad_event_default (pad, event);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
g_assert_not_reached ();
|
|
||||||
}
|
|
||||||
|
|
||||||
data = GST_BUFFER_DATA (buf);
|
|
||||||
to_write = GST_BUFFER_SIZE (buf);
|
|
||||||
amount_written = 0;
|
|
||||||
|
|
||||||
while (amount_written < to_write) {
|
|
||||||
data += amount_written;
|
|
||||||
to_write -= amount_written;
|
|
||||||
amount_written =
|
|
||||||
write_buffer (GST_OSXAUDIOELEMENT (osxaudiosink), data, to_write);
|
|
||||||
}
|
|
||||||
gst_buffer_unref (buf);
|
|
||||||
gst_object_unref (osxaudiosink);
|
|
||||||
}
|
|
||||||
|
|
||||||
static GstStateChangeReturn
|
|
||||||
gst_osxaudiosink_change_state (GstElement * element, GstStateChange transition)
|
|
||||||
{
|
|
||||||
GstOsxAudioSink *osxaudiosink;
|
|
||||||
OSErr status;
|
|
||||||
|
|
||||||
osxaudiosink = GST_OSXAUDIOSINK (element);
|
|
||||||
|
|
||||||
switch (transition) {
|
|
||||||
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
||||||
break;
|
|
||||||
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
||||||
status =
|
|
||||||
AudioDeviceStart (GST_OSXAUDIOELEMENT (osxaudiosink)->device_id,
|
|
||||||
outputAudioDeviceIOProc);
|
|
||||||
if (status)
|
|
||||||
GST_DEBUG ("AudioDeviceStart returned %d\n", (int) status);
|
|
||||||
break;
|
|
||||||
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
||||||
status =
|
|
||||||
AudioDeviceStop (GST_OSXAUDIOELEMENT (osxaudiosink)->device_id,
|
|
||||||
outputAudioDeviceIOProc);
|
|
||||||
if (status)
|
|
||||||
GST_DEBUG ("AudioDeviceStop returned %d\n", (int) status);
|
|
||||||
break;
|
|
||||||
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
|
||||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
||||||
|
|
||||||
return GST_STATE_CHANGE_SUCCESS;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_osx_audio_sink_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstOsxAudioSink *sink = GST_OSX_AUDIO_SINK (object);
|
||||||
|
int val = 0;
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case ARG_DEVICE:
|
||||||
|
if (sink->ringbuffer)
|
||||||
|
val = sink->ringbuffer->device_id;
|
||||||
|
|
||||||
|
g_value_set_int (value, val);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* GstElement vmethod implementations */
|
||||||
|
|
||||||
|
/* GstBaseSink vmethod implementations */
|
||||||
|
static GstCaps *
|
||||||
|
gst_osx_audio_sink_getcaps (GstBaseSink * sink)
|
||||||
|
{
|
||||||
|
GstCaps *caps;
|
||||||
|
GstOsxAudioSink *osxsink;
|
||||||
|
OSStatus status;
|
||||||
|
AudioValueRange rates[10];
|
||||||
|
UInt32 propertySize;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
propertySize = sizeof (AudioValueRange) * 9;
|
||||||
|
osxsink = GST_OSX_AUDIO_SINK (sink);
|
||||||
|
|
||||||
|
caps = gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD
|
||||||
|
(sink)));
|
||||||
|
|
||||||
|
|
||||||
|
status = AudioDeviceGetProperty (osxsink->ringbuffer->device_id, 0, FALSE,
|
||||||
|
kAudioDevicePropertyAvailableNominalSampleRates, &propertySize, &rates);
|
||||||
|
|
||||||
|
GST_DEBUG
|
||||||
|
("Getting available sample rates: Status: %d number of ranges: %d\n",
|
||||||
|
status, propertySize / sizeof (AudioValueRange));
|
||||||
|
|
||||||
|
for (i = 0; i < propertySize / sizeof (AudioValueRange); i++) {
|
||||||
|
g_print ("Range from %f to %f\n", rates[i].mMinimum, rates[i].mMaximum);
|
||||||
|
}
|
||||||
|
|
||||||
|
return caps;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* GstBaseAudioSink vmethod implementations */
|
||||||
|
static GstRingBuffer *
|
||||||
|
gst_osx_audio_sink_create_ringbuffer (GstBaseAudioSink * sink)
|
||||||
|
{
|
||||||
|
GstOsxAudioSink *osxsink;
|
||||||
|
|
||||||
|
osxsink = GST_OSX_AUDIO_SINK (sink);
|
||||||
|
if (!osxsink->ringbuffer) {
|
||||||
|
GST_DEBUG ("Creating ringbuffer\n");
|
||||||
|
osxsink->ringbuffer = g_object_new (GST_TYPE_OSX_RING_BUFFER, NULL);
|
||||||
|
GST_DEBUG ("osx sink 0x%x element 0x%x ioproc 0x%x\n", osxsink,
|
||||||
|
GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsink),
|
||||||
|
(void *) gst_osx_audio_sink_io_proc);
|
||||||
|
osxsink->ringbuffer->element =
|
||||||
|
GST_OSX_AUDIO_ELEMENT_GET_INTERFACE (osxsink);
|
||||||
|
}
|
||||||
|
|
||||||
|
return GST_RING_BUFFER (osxsink->ringbuffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
OSStatus
|
||||||
|
gst_osx_audio_sink_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);
|
||||||
|
|
||||||
|
guint8 *readptr;
|
||||||
|
gint readseg;
|
||||||
|
gint len;
|
||||||
|
|
||||||
|
if (gst_ring_buffer_prepare_read (GST_RING_BUFFER (buf), &readseg, &readptr,
|
||||||
|
&len)) {
|
||||||
|
outOutputData->mBuffers[0].mDataByteSize = len;
|
||||||
|
memcpy ((char *) outOutputData->mBuffers[0].mData, readptr, len);
|
||||||
|
|
||||||
|
/* clear written samples */
|
||||||
|
gst_ring_buffer_clear (GST_RING_BUFFER (buf), readseg);
|
||||||
|
|
||||||
|
/* we wrote one segment */
|
||||||
|
gst_ring_buffer_advance (GST_RING_BUFFER (buf), 1);
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_osx_audio_sink_osxelement_init (gpointer g_iface, gpointer iface_data)
|
||||||
|
{
|
||||||
|
GstOsxAudioElementInterface *iface = (GstOsxAudioElementInterface *) g_iface;
|
||||||
|
|
||||||
|
iface->io_proc = gst_osx_audio_sink_io_proc;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* entry point to initialize the plug-in
|
||||||
|
* initialize the plug-in itself
|
||||||
|
* register the element factories and pad templates
|
||||||
|
* register the features
|
||||||
|
*
|
||||||
|
* exchange the string 'plugin' with your elemnt name
|
||||||
|
*/
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
return gst_element_register (plugin, "osxaudiosink",
|
||||||
|
GST_RANK_NONE, GST_TYPE_OSX_AUDIO_SINK);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* this is the structure that gstreamer looks for to register plugins
|
||||||
|
*
|
||||||
|
* exchange the strings 'plugin' and 'Template plugin' with you plugin name and
|
||||||
|
* description
|
||||||
|
*/
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"osxaudio",
|
||||||
|
"OSX Audio plugin",
|
||||||
|
plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/")
|
||||||
|
|
|
@ -1,8 +1,29 @@
|
||||||
/* GStreamer
|
/*
|
||||||
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
* GStreamer
|
||||||
* 2000 Wim Taymans <wtay@chello.be>
|
* 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:
|
||||||
*
|
*
|
||||||
* gstosxaudiosink.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
|
* This library is free software; you can redistribute it and/or
|
||||||
* modify it under the terms of the GNU Library General Public
|
* modify it under the terms of the GNU Library General Public
|
||||||
|
@ -20,62 +41,43 @@
|
||||||
* Boston, MA 02111-1307, USA.
|
* Boston, MA 02111-1307, USA.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
|
||||||
#ifndef __GST_OSXAUDIOSINK_H__
|
#ifndef __GST_OSXAUDIOSINK_H__
|
||||||
#define __GST_OSXAUDIOSINK_H__
|
#define __GST_OSXAUDIOSINK_H__
|
||||||
|
|
||||||
|
|
||||||
#include <gst/gst.h>
|
#include <gst/gst.h>
|
||||||
|
#include <gst/audio/gstbaseaudiosink.h>
|
||||||
#include "gstosxaudioelement.h"
|
#include "gstosxringbuffer.h"
|
||||||
#include <CoreAudio/CoreAudio.h>
|
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
#define GST_TYPE_OSXAUDIOSINK \
|
/* #defines don't like whitespacey bits */
|
||||||
(gst_osxaudiosink_get_type())
|
#define GST_TYPE_OSX_AUDIO_SINK \
|
||||||
#define GST_OSXAUDIOSINK(obj) \
|
(gst_osx_audio_sink_get_type())
|
||||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSXAUDIOSINK,GstOsxAudioSink))
|
#define GST_OSX_AUDIO_SINK(obj) \
|
||||||
#define GST_OSXAUDIOSINK_CLASS(klass) \
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSX_AUDIO_SINK,GstOsxAudioSink))
|
||||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSXAUDIOSINK,GstOsxAudioSinkClass))
|
#define GST_OSX_AUDIO_SINK_CLASS(klass) \
|
||||||
#define GST_IS_OSXAUDIOSINK(obj) \
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSX_AUDIO_SINK,GstOsxAudioSinkClass))
|
||||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSXAUDIOSINK))
|
#define GST_IS_PLUGIN_TEMPLATE(obj) \
|
||||||
#define GST_IS_OSXAUDIOSINK_CLASS(obj) \
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSX_AUDIO_SINK))
|
||||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSXAUDIOSINK))
|
#define GST_IS_PLUGIN_TEMPLATE_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSX_AUDIO_SINK))
|
||||||
|
|
||||||
typedef enum {
|
typedef struct _GstOsxAudioSink GstOsxAudioSink;
|
||||||
GST_OSXAUDIOSINK_OPEN = (GST_ELEMENT_FLAG_LAST << 0),
|
|
||||||
|
|
||||||
GST_OSXAUDIOSINK_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2)
|
|
||||||
} GstOsxAudioSinkFlags;
|
|
||||||
|
|
||||||
typedef struct _GstOsxAudioSink GstOsxAudioSink;
|
|
||||||
typedef struct _GstOsxAudioSinkClass GstOsxAudioSinkClass;
|
typedef struct _GstOsxAudioSinkClass GstOsxAudioSinkClass;
|
||||||
|
|
||||||
struct _GstOsxAudioSink {
|
struct _GstOsxAudioSink
|
||||||
GstOsxAudioElement element;
|
{
|
||||||
|
GstBaseAudioSink sink;
|
||||||
|
|
||||||
GstPad *sinkpad;
|
GstOsxRingBuffer *ringbuffer;
|
||||||
|
|
||||||
/* GstClock *provided_clock;
|
|
||||||
GstClock *clock;
|
|
||||||
gboolean resync;
|
|
||||||
gboolean sync;
|
|
||||||
guint64 handled;
|
|
||||||
|
|
||||||
gboolean mute;
|
|
||||||
guint bufsize;
|
|
||||||
guint chunk_size;*/
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct _GstOsxAudioSinkClass {
|
struct _GstOsxAudioSinkClass
|
||||||
GstOsxAudioElementClass parent_class;
|
{
|
||||||
|
GstBaseAudioSinkClass parent_class;
|
||||||
/* signals */
|
|
||||||
void (*handoff) (GstElement *element,GstPad *pad);
|
|
||||||
};
|
};
|
||||||
|
|
||||||
GType gst_osxaudiosink_get_type(void);
|
GType gst_osx_audio_sink_get_type (void);
|
||||||
|
|
||||||
G_END_DECLS
|
G_END_DECLS
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue