NvsVideoFrameReceiver.h

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//================================================================================
//
// (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:    Jun 13. 2017
//   Author:        Meishe video team
//================================================================================
#pragma once
 
#import <Foundation/Foundation.h>
#import <CoreGraphics/CGGeometry.h>
#import <CoreVideo/CVPixelBuffer.h>
#import "NvsCommonDef.h"
 
typedef enum
{
    NvsVideoFrameReceiverMode_Texture,       
    NvsVideoFrameReceiverMode_CVPixelBuffer  
} NvsVideoFrameReceiverMode;
 
 
@class NvsVideoFrameReceiver;
 
@protocol NvsVideoFrameReceiverDelegate <NSObject>
@optional
 
- (BOOL)didVideoFrameReceived:(NvsVideoFrameReceiver *)receiver
          videoFrameTextureId:(unsigned int)videoFrameTextureId
                    videoSize:(CGSize)videoSize
                  timelinePos:(int64_t)timelinePos;
 
- (void)didVideoFrameReceived:(NvsVideoFrameReceiver *)receiver
                  pixelBuffer:(CVPixelBufferRef)pixelBuffer
                    videoSize:(CGSize)videoSize
                  timelinePos:(int64_t)timelinePos;
 
@end
 
 
NVS_EXPORT @interface NvsVideoFrameReceiver : NSObject
 
@property (nonatomic, readonly) NvsVideoFrameReceiverMode mode;
@property (nonatomic, weak) id<NvsVideoFrameReceiverDelegate> delegate;
 
@property (nonatomic, strong, readonly) NSLock *lock;
 
 
- (instancetype)init;
 
- (instancetype)initWithMode:(NvsVideoFrameReceiverMode)type;
 
- (void)reclaimVideoFrame:(unsigned int)videoFrameTextureId;
 
@end