mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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212 lines
7.5 KiB
C
212 lines
7.5 KiB
C
/*
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* Copyright (C) 2010 Ole André Vadla Ravnås <oleavr@soundrop.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 __GST_CM_API_H__
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#define __GST_CM_API_H__
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#include "dynapi.h"
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#include <CoreFoundation/CoreFoundation.h>
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#include "cvapi.h"
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G_BEGIN_DECLS
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typedef struct _GstCMApi GstCMApi;
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typedef struct _GstCMApiClass GstCMApiClass;
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typedef CFTypeRef FigBaseObjectRef;
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typedef struct _FigBaseVTable FigBaseVTable;
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typedef struct _FigBaseIface FigBaseIface;
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typedef CFTypeRef CMFormatDescriptionRef;
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typedef struct _CMVideoDimensions CMVideoDimensions;
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typedef struct _CMTime CMTime;
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typedef CFTypeRef CMBufferQueueRef;
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typedef SInt32 CMBufferQueueTriggerCondition;
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typedef struct _CMBufferQueueTriggerToken *CMBufferQueueTriggerToken;
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typedef CFTypeRef CMSampleBufferRef;
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typedef CFTypeRef CMBlockBufferRef;
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typedef void (* CMBufferQueueTriggerCallback) (void *triggerRefcon,
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CMBufferQueueTriggerToken triggerToken);
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typedef Boolean (* CMBufferQueueValidationCallback) (CMBufferQueueRef queue,
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CMSampleBufferRef buf, void *refCon);
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enum _FigMediaType
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{
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kFigMediaTypeVideo = 'vide'
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};
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enum _FigCodecType
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{
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kComponentVideoUnsigned = 'yuvs',
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kFigVideoCodecType_JPEG_OpenDML = 'dmb1',
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kYUV420vCodecType = '420v'
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};
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enum _CMBufferQueueTriggerCondition
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{
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kCMBufferQueueTrigger_WhenDurationBecomesLessThan = 1,
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kCMBufferQueueTrigger_WhenDurationBecomesLessThanOrEqualTo = 2,
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kCMBufferQueueTrigger_WhenDurationBecomesGreaterThan = 3,
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kCMBufferQueueTrigger_WhenDurationBecomesGreaterThanOrEqualTo = 4,
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kCMBufferQueueTrigger_WhenMinPresentationTimeStampChanges = 5,
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kCMBufferQueueTrigger_WhenMaxPresentationTimeStampChanges = 6,
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kCMBufferQueueTrigger_WhenDataBecomesReady = 7,
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kCMBufferQueueTrigger_WhenEndOfDataReached = 8,
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kCMBufferQueueTrigger_WhenReset = 9,
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kCMBufferQueueTrigger_WhenBufferCountBecomesLessThan = 10,
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kCMBufferQueueTrigger_WhenBufferCountBecomesGreaterThan = 11
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};
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struct _FigBaseVTable
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{
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gsize unk;
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FigBaseIface * base;
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void * derived;
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};
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struct _FigBaseIface
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{
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gsize unk1;
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gsize unk2;
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gsize unk3;
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OSStatus (* Invalidate) (FigBaseObjectRef obj);
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OSStatus (* Finalize) (FigBaseObjectRef obj);
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gpointer unk4;
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OSStatus (* CopyProperty) (FigBaseObjectRef obj, CFTypeRef key, void *unk,
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CFTypeRef * value);
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OSStatus (* SetProperty) (FigBaseObjectRef obj, CFTypeRef key,
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CFTypeRef value);
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};
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struct _CMVideoDimensions
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{
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UInt32 width;
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UInt32 height;
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};
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struct _CMTime
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{
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UInt8 data[24];
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};
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struct _GstCMApi
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{
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GstDynApi parent;
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FigBaseVTable * (* FigBaseObjectGetVTable) (FigBaseObjectRef obj);
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void * (* CMGetAttachment) (CFTypeRef obj, CFStringRef attachmentKey,
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UInt32 * foundWherePtr);
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void (* FigFormatDescriptionRelease) (CMFormatDescriptionRef desc);
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CMFormatDescriptionRef (* FigFormatDescriptionRetain) (
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CMFormatDescriptionRef desc);
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Boolean (* CMFormatDescriptionEqual) (CMFormatDescriptionRef desc1,
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CMFormatDescriptionRef desc2);
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CFTypeRef (* CMFormatDescriptionGetExtension) (
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const CMFormatDescriptionRef desc, CFStringRef extensionKey);
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UInt32 (* CMFormatDescriptionGetMediaType) (
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const CMFormatDescriptionRef desc);
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UInt32 (* CMFormatDescriptionGetMediaSubType) (
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const CMFormatDescriptionRef desc);
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OSStatus (* CMVideoFormatDescriptionCreate) (
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CFAllocatorRef allocator, UInt32 formatId, UInt32 width, UInt32 height,
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CFDictionaryRef extensions, CMFormatDescriptionRef * desc);
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OSStatus (* FigVideoFormatDescriptionCreateWithSampleDescriptionExtensionAtom)
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(CFAllocatorRef allocator, UInt32 formatId, UInt32 width, UInt32 height,
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UInt32 atomId, const UInt8 * data, CFIndex len, void *unk1,
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CMFormatDescriptionRef * formatDesc);
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CMVideoDimensions (* CMVideoFormatDescriptionGetDimensions) (
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const CMFormatDescriptionRef desc);
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CMTime (* CMTimeMake) (int64_t value, int32_t timescale);
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OSStatus (* CMSampleBufferCreate) (CFAllocatorRef allocator,
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CMBlockBufferRef blockBuf, Boolean dataReady,
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void *makeDataReadyCallback,
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void *makeDataReadyRefcon,
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CMFormatDescriptionRef fmtDesc, size_t numSamples,
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size_t numSampleTimingEntries,
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const void *sampleTimingArray,
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size_t numSampleSizeEntries, const size_t *sampleSizeArray,
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CMSampleBufferRef * sampleBuffer);
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Boolean (* CMSampleBufferDataIsReady) (
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const CMSampleBufferRef buf);
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CMBlockBufferRef (* CMSampleBufferGetDataBuffer) (
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const CMSampleBufferRef buf);
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CMFormatDescriptionRef (* CMSampleBufferGetFormatDescription) (
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const CMSampleBufferRef buf);
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CVImageBufferRef (* CMSampleBufferGetImageBuffer) (
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const CMSampleBufferRef buf);
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SInt32 (* CMSampleBufferGetNumSamples) (
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const CMSampleBufferRef buf);
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CFArrayRef (* CMSampleBufferGetSampleAttachmentsArray) (
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const CMSampleBufferRef buf, SInt32 sampleIndex);
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SInt32 (* CMSampleBufferGetSampleSize) (
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const CMSampleBufferRef buf, SInt32 sampleIndex);
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void (* FigSampleBufferRelease) (CMSampleBufferRef buf);
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CMSampleBufferRef (* FigSampleBufferRetain) (CMSampleBufferRef buf);
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OSStatus (* CMBlockBufferCreateWithMemoryBlock)
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(CFAllocatorRef allocator, void * memoryBlock, size_t blockLength,
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CFAllocatorRef dataAllocator, void *customBlockSource,
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size_t offsetToData, size_t dataLength,
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int flags, CMBlockBufferRef * blockBuffer);
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SInt32 (* CMBlockBufferGetDataLength) (const CMBlockBufferRef buf);
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OSStatus (* CMBlockBufferGetDataPointer) (
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const CMBlockBufferRef buf, UInt32 unk1, UInt32 unk2, UInt32 unk3,
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Byte ** dataPtr);
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void (* FigBlockBufferRelease) (CMBlockBufferRef buf);
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CMBlockBufferRef (* FigBlockBufferRetain) (CMBlockBufferRef buf);
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CMSampleBufferRef (* CMBufferQueueDequeueAndRetain)
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(CMBufferQueueRef queue);
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CFIndex (* CMBufferQueueGetBufferCount) (CMBufferQueueRef queue);
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OSStatus (* CMBufferQueueInstallTrigger) (CMBufferQueueRef queue,
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CMBufferQueueTriggerCallback triggerCallback, void * triggerRefCon,
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CMBufferQueueTriggerCondition triggerCondition, CMTime triggerTime,
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CMBufferQueueTriggerToken * triggerTokenOut);
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Boolean (* CMBufferQueueIsEmpty) (CMBufferQueueRef queue);
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void (* FigBufferQueueRelease) (CMBufferQueueRef queue);
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OSStatus (* CMBufferQueueRemoveTrigger) (CMBufferQueueRef queue,
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CMBufferQueueTriggerToken triggerToken);
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OSStatus (* CMBufferQueueSetValidationCallback) (CMBufferQueueRef queue,
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CMBufferQueueValidationCallback func, void *refCon);
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CFStringRef * kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms;
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CFStringRef * kCMSampleAttachmentKey_DependsOnOthers;
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CMTime * kCMTimeInvalid;
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};
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struct _GstCMApiClass
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{
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GstDynApiClass parent_class;
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};
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GType gst_cm_api_get_type (void);
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GstCMApi * gst_cm_api_obtain (GError ** error);
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G_END_DECLS
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#endif
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