applemedia: add new source/decoder element for iOS assets

https://bugzilla.gnome.org/show_bug.cgi?id=728249

sys/applemedia/Makefile.am

@@ -73,12 +73,14 @@ noinst_HEADERS =				\
 	atdec.h 				\
 	dynapi.h				\
 	dynapi-internal.h                       \
-	iosassetsrc.h
+	iosassetsrc.h				\
+	iosavassetsrc.h
 
 if HAVE_IOS
 
 libgstapplemedia_la_SOURCES +=			\
-	iosassetsrc.m
+	iosassetsrc.m				\
+	iosavassetsrc.m
 
 libgstapplemedia_la_LDFLAGS +=			\
 	-Wl,-framework -Wl,Foundation		\

sys/applemedia/iosavassetsrc.h

@@ -0,0 +1,128 @@
+/*
+ * GStreamer
+ * Copyright (C) 2013 Fluendo S.L. <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.
+ */
+
+#ifndef __GST_AVASSET_SRC_H__
+#define __GST_AVASSET_SRC_H__
+
+#include <gst/gst.h>
+#import <AVFoundation/AVAssetReader.h>
+#import <AVFoundation/AVAssetReaderOutput.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_AVASSET_SRC \
+  (gst_avasset_src_get_type())
+#define GST_AVASSET_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVASSET_SRC,GstAVAssetSrc))
+#define GST_AVASSET_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AVASSET_SRC,GstAVAssetSrcClass))
+#define GST_IS_AVASSET_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVASSET_SRC))
+#define GST_IS_AVASSET_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVASSET_SRC))
+#define GST_AVASSET_SRC_ERROR gst_avasset_src_error_quark ()
+
+typedef struct _GstAVAssetSrc      GstAVAssetSrc;
+typedef struct _GstAVAssetSrcClass GstAVAssetSrcClass;
+
+typedef enum
+{
+  GST_AVASSET_READER_MEDIA_TYPE_AUDIO,
+  GST_AVASSET_READER_MEDIA_TYPE_VIDEO,
+} GstAVAssetReaderMediaType;
+
+typedef enum
+{
+  GST_AVASSET_ERROR_NOT_PLAYABLE,
+  GST_AVASSET_ERROR_INIT,
+  GST_AVASSET_ERROR_START,
+  GST_AVASSET_ERROR_READ,
+} GstAVAssetError;
+
+typedef enum
+{
+  GST_AVASSET_SRC_STATE_STOPPED,
+  GST_AVASSET_SRC_STATE_STARTED,
+  GST_AVASSET_SRC_STATE_READING,
+} GstAVAssetSrcState;
+
+@interface GstAVAssetReader: NSObject
+{
+  AVAsset *asset;
+  AVAssetReader *reader;
+  AVAssetReaderTrackOutput *video_track;
+  AVAssetReaderTrackOutput *audio_track;
+  NSArray *audio_tracks;
+  NSArray *video_tracks;
+  int selected_audio_track;
+  int selected_video_track;
+  GstCaps *audio_caps;
+  GstCaps *video_caps;
+  gboolean reading;
+  GstClockTime duration;
+  GstClockTime position;
+}
+
+@property GstClockTime duration;
+@property GstClockTime position;
+
+- (id) initWithURI:(gchar*) uri : (GError **) error;
+- (void) start : (GError **) error;
+- (void) stop;
+- (void) seekTo: (guint64) start : (guint64) stop : (GError **) error;
+- (bool) hasMediaType: (GstAVAssetReaderMediaType) type;
+- (GstCaps *) getCaps: (GstAVAssetReaderMediaType) type;
+- (bool) selectTrack: (GstAVAssetReaderMediaType) type : (gint) index;
+- (GstBuffer *) nextBuffer:  (GstAVAssetReaderMediaType) type : (GError **) error;
+@end
+
+struct _GstAVAssetSrc
+{
+  GstElement element;
+
+  GstPad *videopad;
+  GstPad *audiopad;
+  GstTask *video_task;
+  GstTask *audio_task;
+  GStaticRecMutex video_lock;
+  GStaticRecMutex audio_lock;
+  gint selected_video_track;
+  gint selected_audio_track;
+
+  GstAVAssetReader *reader;
+  GstAVAssetSrcState state;
+  GMutex lock;
+  GstEvent *seek_event;
+
+  /* Properties */
+  gchar * uri;
+};
+
+struct _GstAVAssetSrcClass
+{
+  GstElementClass parent_class;
+};
+
+GType gst_avasset_src_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_AVASSET_SRC_H__ */

sys/applemedia/plugin.m

@@ -24,6 +24,7 @@
 #include <Foundation/Foundation.h>
 #ifdef HAVE_IOS
 #include "iosassetsrc.h"
+#include "iosavassetsrc.h"
 #else
 #include "qtkitvideosrc.h"
 #endif
@@ -58,6 +59,8 @@ plugin_init (GstPlugin * plugin)
 #ifdef HAVE_IOS
   res &= gst_element_register (plugin, "iosassetsrc", GST_RANK_SECONDARY,
       GST_TYPE_IOS_ASSET_SRC);
+  res &= gst_element_register (plugin, "iosavassetsrc", GST_RANK_PRIMARY,
+      GST_TYPE_AVASSET_SRC);
 #else
   enable_mt_mode ();