macos: Move atdec from applemedia (-bad) to osxaudio (-good)

osxaudio has a few helper methods potentially useful in atdec (or future atenc), like GStreamer -> CoreAudio
channel mapping. Doesn't make sense to duplicate them in applemedia, and atdec is the only audio-oriented
element there anyway.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6223>

subprojects/gst-plugins-bad/sys/applemedia/meson.build

@@ -6,7 +6,6 @@ applemedia_sources = [
     'coremediabuffer.c',
     'videotexturecache.m',
     'videotexturecache-gl.m',
-    'atdec.c',
     'glcontexthelper.c',
     'helpers.c',
 ]
@@ -42,8 +41,7 @@ applemedia_frameworks = []
 corefoundation_dep = dependency('CoreFoundation', required : applemedia_option)
 coremedia_dep = dependency('CoreMedia', required : applemedia_option)
 corevideo_dep = dependency('CoreVideo', required : applemedia_option)
-audiotoolbox_dep = dependency('AudioToolbox', required : applemedia_option)
-applemedia_frameworks += [corefoundation_dep, coremedia_dep, corevideo_dep, audiotoolbox_dep]
+applemedia_frameworks += [corefoundation_dep, coremedia_dep, corevideo_dep]
 
 avfoundation_dep = dependency('AVFoundation', required : applemedia_option)
 if avfoundation_dep.found()
@@ -118,7 +116,7 @@ if applemedia_found_deps
         objcpp_args : gst_plugins_bad_args + applemedia_args + applemedia_objc_args + applemedia_objcpp_args,
         link_args : noseh_link_args,
         include_directories : [configinc, libsinc],
-        dependencies : [gstvideo_dep, gstaudio_dep, gstpbutils_dep, gst_dep, gstbase_dep, gstgl_dep, gstglproto_dep, gstcodecparsers_dep] + applemedia_frameworks,
+        dependencies : [gstvideo_dep, gstpbutils_dep, gst_dep, gstbase_dep, gstgl_dep, gstglproto_dep, gstcodecparsers_dep] + applemedia_frameworks,
         override_options : ['cpp_std=c++11'],
         install : true,
         install_dir : plugins_install_dir,

subprojects/gst-plugins-bad/sys/applemedia/plugin.m

@@ -41,7 +41,6 @@
 #else
 #define AV_RANK GST_RANK_PRIMARY
 #endif
-#include "atdec.h"
 
 #ifdef HAVE_VIDEOTOOLBOX
 void gst_vtenc_register_elements (GstPlugin * plugin);
@@ -85,8 +84,6 @@ plugin_init (GstPlugin * plugin)
     GST_RANK_PRIMARY, GST_TYPE_AVF_DEVICE_PROVIDER);
 #endif
 
-  res &= gst_element_register (plugin, "atdec", GST_RANK_MARGINAL, GST_TYPE_ATDEC);
-
 #ifdef HAVE_VIDEOTOOLBOX
   /* Check if the framework actually exists at runtime */
   if (&VTCompressionSessionCreate != NULL) {

subprojects/gst-plugins-good/sys/osxaudio/gstatdec.c

@@ -36,7 +36,7 @@
 
 #include <gst/gst.h>
 #include <gst/audio/gstaudiodecoder.h>
-#include "atdec.h"
+#include "gstatdec.h"
 
 GST_DEBUG_CATEGORY_STATIC (gst_atdec_debug_category);
 #define GST_CAT_DEFAULT gst_atdec_debug_category
@@ -81,6 +81,7 @@ static GstStaticPadTemplate gst_atdec_sink_template =
 G_DEFINE_TYPE_WITH_CODE (GstATDec, gst_atdec, GST_TYPE_AUDIO_DECODER,
     GST_DEBUG_CATEGORY_INIT (gst_atdec_debug_category, "atdec", 0,
         "debug category for atdec element"));
+GST_ELEMENT_REGISTER_DEFINE (atdec, "atdec", GST_RANK_MARGINAL, GST_TYPE_ATDEC);
 
 static GstStaticCaps aac_caps = GST_STATIC_CAPS ("audio/mpeg, mpegversion=4");
 static GstStaticCaps mp3_caps =

subprojects/gst-plugins-good/sys/osxaudio/gstatdec.h

@@ -49,6 +49,8 @@ struct _GstATDecClass
 
 GType gst_atdec_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (atdec);
+
 G_END_DECLS
 
 #endif

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudio.c

@@ -30,6 +30,7 @@
 #include "gstosxaudioelement.h"
 #include "gstosxaudiosink.h"
 #include "gstosxaudiosrc.h"
+#include "gstatdec.h"
 #ifndef HAVE_IOS
 #include "gstosxaudiodeviceprovider.h"
 #endif
@@ -41,6 +42,7 @@ plugin_init (GstPlugin * plugin)
 
   ret |= GST_ELEMENT_REGISTER (osxaudiosrc, plugin);
   ret |= GST_ELEMENT_REGISTER (osxaudiosink, plugin);
+  ret |= GST_ELEMENT_REGISTER (atdec, plugin);
 #ifndef HAVE_IOS
   ret |= GST_DEVICE_PROVIDER_REGISTER (osxaudiodeviceprovider, plugin);
 #endif

subprojects/gst-plugins-good/sys/osxaudio/meson.build

@@ -5,7 +5,8 @@ osxaudio_sources = [
   'gstosxaudiosrc.c',
   'gstosxcoreaudiocommon.c',
   'gstosxcoreaudio.c',
-  'gstosxaudio.c'
+  'gstosxaudio.c',
+  'gstatdec.c',
 ]
 
 have_osxaudio = false