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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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c2672f71cd
Profiling of H.264 encode and decode revealed that conversions between packed and planar were happening behind the scenes. Hence we now choose I420 instead of YUY2.
108 lines
3.4 KiB
C
108 lines
3.4 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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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_420YpCbCr8BiPlanarVideoRange = '420v',
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kCVPixelFormatType_422YpCbCr8Deprecated = 'yuvs',
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kCVPixelFormatType_422YpCbCr8 = '2vuy'
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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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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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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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};
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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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