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All code interacting with Objective-C objects should now use Automated Reference Counting rather than manual memory management or Garbage Collection. Because ARC prohibits C-structs from containing references to Objective-C objects, all such fields are now typed 'gpointer'. Setting and gettings Objective-C fields on such a struct now uses explicit __bridge_* calls to tell ARC about object lifetimes. https://bugzilla.gnome.org/show_bug.cgi?id=777847
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*
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* GStreamer
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
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*
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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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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _AV_SINK_H_
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#define _AV_SINK_H_
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#include <gst/gst.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/video/video.h>
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#include <QuartzCore/QuartzCore.h>
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#include <CoreFoundation/CoreFoundation.h>
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#include <CoreMedia/CoreMedia.h>
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#include <AVFoundation/AVFoundation.h>
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G_BEGIN_DECLS
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#define GST_TYPE_AV_SAMPLE_VIDEO_SINK \
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(gst_av_sample_video_sink_get_type())
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#define GST_AV_SAMPLE_VIDEO_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AV_SAMPLE_VIDEO_SINK,GstAVSampleVideoSink))
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#define GST_AV_SAMPLE_VIDEO_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AV_SAMPLE_VIDEO_SINK,GstAVSampleVideoSinkClass))
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#define GST_IS_AV_SAMPLE_VIDEO_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AV_SAMPLE_VIDEO_SINK))
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#define GST_IS_AV_SAMPLE_VIDEO_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AV_SAMPLE_VIDEO_SINK))
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#define GST_AV_SAMPLE_VIDEO_SINK_LAYER(obj) \
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((__bridge AVSampleBufferDisplayLayer *)(obj->layer))
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typedef struct _GstAVSampleVideoSink GstAVSampleVideoSink;
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typedef struct _GstAVSampleVideoSinkClass GstAVSampleVideoSinkClass;
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struct _GstAVSampleVideoSink
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{
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GstVideoSink video_sink;
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/* NOTE: ARC no longer allows Objective-C pointers in structs. */
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/* Instead, use gpointer with explicit __bridge_* calls */
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gpointer layer;
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GstVideoInfo info;
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gboolean keep_aspect_ratio;
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GstBufferPool *pool;
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gboolean layer_requesting_data;
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GMutex render_lock;
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GstBuffer *buffer;
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GstFlowReturn render_flow_return;
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};
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struct _GstAVSampleVideoSinkClass
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{
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GstVideoSinkClass video_sink_class;
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};
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GType gst_av_sample_video_sink_get_type(void);
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G_END_DECLS
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#endif
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