NvsCustomVideoTransition.h

浏览该文件的文档.

//================================================================================
//
// (c) Copyright Meishe Co. Ltd, 2017. All rights reserved.
//
// This code and information is provided "as is" without warranty of any kind,
// either expressed or implied, including but not limited to the implied
// warranties of merchantability and/or fitness for a particular purpose.
//
//--------------------------------------------------------------------------------
//   Birth Date:    Jul 20. 2017
//   Author:        Meishe video team
//================================================================================
#pragma once
 
#import <Foundation/Foundation.h>
#import "NvsCommonDef.h"
 
struct NvsCustomVideoTransitionVideoFrame {
    int texId;                  
    int width;                  
    int height;                 
    BOOL isUpsideDownTexture;   
};
 
struct NvsCustomVideoTransitionRenderContext {
    struct NvsCustomVideoTransitionVideoFrame commingInVideoFrame;  
    struct NvsCustomVideoTransitionVideoFrame outGoingVideoFrame;  
    struct NvsCustomVideoTransitionVideoFrame outputVideoFrame; 
    float progress;
    int64_t effectTime;                                 
    int64_t effectStartTime;                            
    int64_t effectEndTime;                              
};
 
@class NvsCustomVideoTransitionRenderHelper;
 
@protocol NvsCustomVideoTransitionRenderer <NSObject>
 
- (void)didInit;
 
- (void)didCleanup;
 
- (void)didPreloadResources;
 
- (void)didRender:(struct NvsCustomVideoTransitionRenderContext *)renderContext
     renderHelper:(NvsCustomVideoTransitionRenderHelper *)renderHelper;
 
@end
 
NVS_EXPORT @interface NvsCustomVideoTransitionRenderHelper : NSObject
 
- (int)allocateRGBATexture:(NvsSize)texSize;
 
- (int)allocateRGBATexture:(NvsSize)texSize format:(NvsGpuVideoFrameFormat)fmt;
 
- (void)reclaimTexture:(int)texId;
 
- (BOOL)uploadHostBufferToOpenGLTexture:(NvsVideoFrameInfo*)hostBuffer textureId:(int)tId;
 
@end