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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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126 lines
4.1 KiB
C
126 lines
4.1 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_CV_API_H__
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#define __GST_CV_API_H__
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#include "dynapi.h"
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#include <CoreFoundation/CoreFoundation.h>
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G_BEGIN_DECLS
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typedef struct _GstCVApi GstCVApi;
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typedef struct _GstCVApiClass GstCVApiClass;
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typedef int32_t CVReturn;
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typedef uint64_t CVOptionFlags;
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typedef struct _CVBuffer * CVBufferRef;
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typedef CVBufferRef CVImageBufferRef;
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typedef CVImageBufferRef CVPixelBufferRef;
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typedef void (* CVPixelBufferReleaseBytesCallback) (void * releaseRefCon,
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const void * baseAddress);
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enum _CVReturn
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{
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kCVReturnSuccess = 0
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};
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enum _CVPixelFormatType
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{
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kCVPixelFormatType_420YpCbCr8Planar = 'y420',
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kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange = '420v',
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kCVPixelFormatType_422YpCbCr8Deprecated = 'yuvs',
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kCVPixelFormatType_422YpCbCr8 = '2vuy'
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};
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enum _CVPixelBufferLockFlags
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{
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kCVPixelBufferLock_ReadOnly = 0x00000001
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};
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struct _GstCVApi
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{
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GstDynApi parent;
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void (* CVBufferRelease) (CVBufferRef buffer);
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CVBufferRef (* CVBufferRetain) (CVBufferRef buffer);
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CVReturn (* CVPixelBufferCreateWithBytes)
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(CFAllocatorRef allocator, size_t width, size_t height,
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OSType pixelFormatType, void * baseAddress, size_t bytesPerRow,
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CVPixelBufferReleaseBytesCallback releaseCallback,
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void * releaseRefCon, CFDictionaryRef pixelBufferAttributes,
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CVPixelBufferRef * pixelBufferOut);
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CVReturn (* CVPixelBufferCreateWithPlanarBytes)
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(CFAllocatorRef allocator, size_t width, size_t height,
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OSType pixelFormatType, void * dataPtr, size_t dataSize,
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size_t numberOfPlanes, void *planeBaseAddress[],
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size_t planeWidth[], size_t planeHeight[],
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size_t planeBytesPerRow[],
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CVPixelBufferReleaseBytesCallback releaseCallback,
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void * releaseRefCon, CFDictionaryRef pixelBufferAttributes,
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CVPixelBufferRef * pixelBufferOut);
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void * (* CVPixelBufferGetBaseAddress)
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(CVPixelBufferRef pixelBuffer);
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void * (* CVPixelBufferGetBaseAddressOfPlane)
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(CVPixelBufferRef pixelBuffer, size_t planeIndex);
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size_t (* CVPixelBufferGetBytesPerRow)
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(CVPixelBufferRef pixelBuffer);
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size_t (* CVPixelBufferGetBytesPerRowOfPlane)
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(CVPixelBufferRef pixelBuffer, size_t planeIndex);
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size_t (* CVPixelBufferGetHeight) (CVPixelBufferRef pixelBuffer);
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size_t (* CVPixelBufferGetHeightOfPlane)
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(CVPixelBufferRef pixelBuffer, size_t planeIndex);
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void * (* CVPixelBufferGetIOSurface)
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(CVPixelBufferRef pixelBuffer);
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size_t (* CVPixelBufferGetPlaneCount)
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(CVPixelBufferRef pixelBuffer);
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CFTypeID (* CVPixelBufferGetTypeID) (void);
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Boolean (* CVPixelBufferIsPlanar) (CVPixelBufferRef pixelBuffer);
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CVReturn (* CVPixelBufferLockBaseAddress)
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(CVPixelBufferRef pixelBuffer, CVOptionFlags lockFlags);
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void (* CVPixelBufferRelease) (CVPixelBufferRef pixelBuffer);
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CVPixelBufferRef (* CVPixelBufferRetain)
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(CVPixelBufferRef pixelBuffer);
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CVReturn (* CVPixelBufferUnlockBaseAddress)
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(CVPixelBufferRef pixelBuffer, CVOptionFlags unlockFlags);
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CFStringRef * kCVPixelBufferPixelFormatTypeKey;
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CFStringRef * kCVPixelBufferWidthKey;
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CFStringRef * kCVPixelBufferHeightKey;
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CFStringRef * kCVPixelBufferBytesPerRowAlignmentKey;
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CFStringRef * kCVPixelBufferPlaneAlignmentKey;
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};
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struct _GstCVApiClass
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{
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GstDynApiClass parent_class;
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};
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GType gst_cv_api_get_type (void);
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GstCVApi * gst_cv_api_obtain (GError ** error);
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G_END_DECLS
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#endif
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