NvsAVFileInfo.h

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//================================================================================
//
// (c) Copyright China Digital Video (Beijing) Limited, 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:    Jan 3. 2017
//   Author:        NewAuto video team
//================================================================================
 
#pragma once
 
#import "NvsCommonDef.h"
#import <Foundation/NSObject.h>
 
NVS_EXPORT @interface NvsAVFileInfo : NSObject
 
@property (readonly) NvsAVFileType avFileType;       
@property (readonly) int64_t duration;               
@property (readonly) uint64_t dataRate;              
@property (readonly) unsigned int videoStreamCount;  
@property (readonly) unsigned int audioStreamCount;  
 
- (int64_t)getVideoStreamDuration:(unsigned int)videoStreamIndex;
 
- (NvsSize)getVideoStreamDimension:(unsigned int)videoStreamIndex;
 
- (NvsRational)getVideoStreamPixelAspectRatio:(unsigned int)videoStreamIndex;
 
- (NvsRational)getVideoStreamFrameRate:(unsigned int)videoStreamIndex;
 
- (NvsVideoRotation)getVideoStreamRotation:(unsigned int)videoStreamIndex;
 
- (unsigned int)getVideoStreamComponentBitCount:(unsigned int)videoStreamIndex;
 
- (NvsVideoCodecType)getVideoStreamCodecType:(unsigned int)videoStreamIndex;
 
 
- (int)getVideoCodecProfile:(unsigned int)videoStreamIndex;
 
- (int)getVideoCodecLevel:(unsigned int)videoStreamIndex;
 
- (NvsVideoColorTransfer)getVideoStreamColorTranfer:(unsigned int)videoStreamIndex;
 
- (int64_t)getAudioStreamDuration:(unsigned int)audioStreamIndex;
 
- (unsigned int)getAudioStreamSampleRate:(unsigned int)audioStreamIndex;
 
- (unsigned int)getAudioStreamChannelCount:(unsigned int)audioStreamIndex;
 
- (BOOL)getAudioStreamCodecSupport:(unsigned int)audioStreamIndex;
@end