1010#import < AVFoundation/AVFoundation.h>
1111#import < CoreMedia/CoreMedia.h>
1212
13-
1413typedef NS_ENUM (NSInteger , KFMediaType) {
1514 KFMediaNone = 0 ,
16- KFMediaAudio = 1 << 0 , // 仅音频。
17- KFMediaVideo = 1 << 1 , // 仅视频。
18- KFMediaAV = KFMediaAudio | KFMediaVideo, // 音视频都有。
15+ KFMediaAudio = 1 << 0 , // Audio only.
16+ KFMediaVideo = 1 << 1 , // Video only.
17+ KFMediaAV = KFMediaAudio | KFMediaVideo, // Both audio and video.
1918};
2019
2120typedef NS_ENUM (NSInteger , KFMP4DemuxerStatus) {
@@ -28,8 +27,8 @@ typedef NS_ENUM(NSInteger, KFMP4DemuxerStatus) {
2827
2928
3029@interface KFDemuxerConfig : NSObject
31- @property (nonatomic , strong ) AVAsset *asset; // 待解封装的资源。
32- @property (nonatomic , assign ) KFMediaType demuxerType; // 解封装类型。
30+ @property (nonatomic , strong ) AVAsset *asset; // The resource to be demuxed.
31+ @property (nonatomic , assign ) KFMediaType demuxerType; // The type of demuxing.
3332@end
3433
3534@interface KFVideoPacketExtraData : NSObject
@@ -46,23 +45,23 @@ typedef NS_ENUM(NSInteger, KFMP4DemuxerStatus) {
4645
4746@property (nonatomic , strong , readonly ) KFDemuxerConfig *config;
4847@property (nonatomic , copy ) void (^errorCallBack)(NSError *error);
49- @property (nonatomic , assign , readonly ) BOOL hasAudioTrack; // 是否包含音频数据。
50- @property (nonatomic , assign , readonly ) BOOL hasVideoTrack; // 是否包含视频数据。
51- @property (nonatomic , assign , readonly ) CGSize videoSize; // 视频大小。
52- @property (nonatomic , assign , readonly ) CMTime duration; // 媒体时长。
53- @property (nonatomic , assign , readonly ) CMVideoCodecType codecType; // 编码类型。
54- @property (nonatomic , assign , readonly ) KFMP4DemuxerStatus demuxerStatus; // 解封装器状态。
55- @property (nonatomic , assign , readonly ) BOOL audioEOF; // 是否音频结束。
56- @property (nonatomic , assign , readonly ) BOOL videoEOF; // 是否视频结束。
57- @property (nonatomic , assign , readonly ) CGAffineTransform preferredTransform; // 图像的变换信息。比如：视频图像旋转。
58- @property (nonatomic , copy ) void (^dataCallBack)(NSData *data, CMSampleBufferRef sampleBuffer); // 解码完成的数据回调
48+ @property (nonatomic , assign , readonly ) BOOL hasAudioTrack; // Indicates whether audio data is included.
49+ @property (nonatomic , assign , readonly ) BOOL hasVideoTrack; // Indicates whether video data is included.
50+ @property (nonatomic , assign , readonly ) CGSize videoSize; // Size of the video.
51+ @property (nonatomic , assign , readonly ) CMTime duration; // Duration of the media.
52+ @property (nonatomic , assign , readonly ) CMVideoCodecType codecType; // Encoding type.
53+ @property (nonatomic , assign , readonly ) KFMP4DemuxerStatus demuxerStatus; // Status of the demuxer.
54+ @property (nonatomic , assign , readonly ) BOOL audioEOF; // Indicates whether audio has ended.
55+ @property (nonatomic , assign , readonly ) BOOL videoEOF; // Indicates whether video has ended.
56+ @property (nonatomic , assign , readonly ) CGAffineTransform preferredTransform; // Transformation information for the image, e.g., video image rotation.
57+ @property (nonatomic , copy ) void (^dataCallBack)(NSData *data, CMSampleBufferRef sampleBuffer); // Callback for decoded data
5958
60- - (void )startReading ; // 开始读取数据解封装。
61- - (void )cancelReading ; // 取消读取。
59+ - (void )startReading ; // Start reading data for demuxing.
60+ - (void )cancelReading ; // Cancel reading.
6261
63- - (BOOL )hasAudioSampleBuffer ; // 是否还有音频数据。
64- - (CMSampleBufferRef)copyNextAudioSampleBuffer CF_RETURNS_RETAINED; // 拷贝下一份音频采样。
62+ - (BOOL )hasAudioSampleBuffer ; // Indicates whether there are more audio samples.
63+ - (CMSampleBufferRef)copyNextAudioSampleBuffer CF_RETURNS_RETAINED; // Copy the next audio sample.
6564
66- - (BOOL )hasVideoSampleBuffer ; // 是否还有视频数据。
67- - (CMSampleBufferRef)copyNextVideoSampleBuffer CF_RETURNS_RETAINED; // 拷贝下一份视频采样。
65+ - (BOOL )hasVideoSampleBuffer ; // Indicates whether there are more video samples.
66+ - (CMSampleBufferRef)copyNextVideoSampleBuffer CF_RETURNS_RETAINED; // Copy the next video sample.
6867@end
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