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140 lines
4.8 KiB
C
140 lines
4.8 KiB
C
/*
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* Copyright (C) 2010 Ole André Vadla Ravnås <oravnas@cisco.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_VT_API_H__
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#define __GST_VT_API_H__
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#include "cmapi.h"
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G_BEGIN_DECLS
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typedef struct _GstVTApi GstVTApi;
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typedef struct _GstVTApiClass GstVTApiClass;
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typedef enum _VTStatus VTStatus;
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typedef guint32 VTFormatId;
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typedef CFTypeRef VTCompressionSessionRef;
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typedef CFTypeRef VTDecompressionSessionRef;
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typedef struct _VTCompressionOutputCallback VTCompressionOutputCallback;
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typedef struct _VTDecompressionOutputCallback VTDecompressionOutputCallback;
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typedef VTStatus (* VTCompressionOutputCallbackFunc) (void * data, int a2,
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int a3, int a4, CMSampleBufferRef sbuf, int a6, int a7);
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typedef void (* VTDecompressionOutputCallbackFunc) (void * data, gsize unk1,
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VTStatus result, gsize unk2, CVBufferRef cvbuf);
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enum _VTStatus
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{
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kVTSuccess = 0
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};
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enum _VTFormat
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{
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kVTFormatH264 = 'avc1',
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kVTFormatJPEG = 'jpeg'
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};
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struct _VTCompressionOutputCallback
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{
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VTCompressionOutputCallbackFunc func;
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void * data;
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};
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struct _VTDecompressionOutputCallback
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{
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VTDecompressionOutputCallbackFunc func;
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void * data;
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};
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struct _GstVTApi
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{
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GstDynApi parent;
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VTStatus (* VTCompressionSessionCompleteFrames)
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(VTCompressionSessionRef session, CMTime completeUntilDisplayTimestamp);
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VTStatus (* VTCompressionSessionCopyProperty)
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(VTCompressionSessionRef session, CFTypeRef key, void* unk,
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CFTypeRef * value);
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VTStatus (* VTCompressionSessionCopySupportedPropertyDictionary)
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(VTCompressionSessionRef session, CFDictionaryRef * dict);
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VTStatus (* VTCompressionSessionCreate)
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(CFAllocatorRef allocator, gint width, gint height, VTFormatId formatId,
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gsize unk1, CFDictionaryRef sourcePixelBufferAttributes, gsize unk2,
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VTCompressionOutputCallback outputCallback,
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VTCompressionSessionRef * session);
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VTStatus (* VTCompressionSessionEncodeFrame)
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(VTCompressionSessionRef session, CVPixelBufferRef pixelBuffer,
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CMTime displayTimestamp, CMTime displayDuration,
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CFDictionaryRef frameOptions, void * sourceTrackingCallback,
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void * sourceFrameRefCon);
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void (* VTCompressionSessionInvalidate)
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(VTCompressionSessionRef session);
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VTStatus (* VTCompressionSessionSetProperty)
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(VTCompressionSessionRef session, CFStringRef propName,
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CFTypeRef propValue);
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VTStatus (* VTDecompressionSessionCreate)
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(CFAllocatorRef allocator,
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CMFormatDescriptionRef videoFormatDescription,
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CFTypeRef sessionOptions,
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CFDictionaryRef destinationPixelBufferAttributes,
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VTDecompressionOutputCallback * outputCallback,
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VTDecompressionSessionRef * session);
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VTStatus (* VTDecompressionSessionDecodeFrame)
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(VTDecompressionSessionRef session, CMSampleBufferRef sbuf, gsize unk1,
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gsize unk2, gsize unk3);
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void (* VTDecompressionSessionInvalidate)
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(VTDecompressionSessionRef session);
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VTStatus (* VTDecompressionSessionWaitForAsynchronousFrames)
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(VTDecompressionSessionRef session);
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CFStringRef * kVTCompressionPropertyKey_AllowTemporalCompression;
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CFStringRef * kVTCompressionPropertyKey_AverageDataRate;
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CFStringRef * kVTCompressionPropertyKey_ExpectedFrameRate;
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CFStringRef * kVTCompressionPropertyKey_ExpectedDuration;
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CFStringRef * kVTCompressionPropertyKey_MaxKeyFrameInterval;
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CFStringRef * kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration;
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CFStringRef * kVTCompressionPropertyKey_ProfileLevel;
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CFStringRef * kVTCompressionPropertyKey_Usage;
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CFStringRef * kVTEncodeFrameOptionKey_ForceKeyFrame;
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CFStringRef * kVTProfileLevel_H264_Baseline_1_3;
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CFStringRef * kVTProfileLevel_H264_Baseline_3_0;
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CFStringRef * kVTProfileLevel_H264_Extended_5_0;
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CFStringRef * kVTProfileLevel_H264_High_5_0;
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CFStringRef * kVTProfileLevel_H264_Main_3_0;
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CFStringRef * kVTProfileLevel_H264_Main_3_1;
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CFStringRef * kVTProfileLevel_H264_Main_4_0;
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CFStringRef * kVTProfileLevel_H264_Main_4_1;
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CFStringRef * kVTProfileLevel_H264_Main_5_0;
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};
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struct _GstVTApiClass
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{
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GstDynApiClass parent_class;
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};
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GType gst_vt_api_get_type (void);
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GstVTApi * gst_vt_api_obtain (GError ** error);
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G_END_DECLS
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#endif
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