TuSDKMediaSampleBufferAssistant Class Reference
| Inherits from | NSObject |
|---|---|
| Declared in | TuSDKMediaSampleBufferAssistant.h |
+ processSampleBuffer:
获取CMSampleBufferRef音频数据地址
+ (int8_t *)processSampleBuffer:(CMSampleBufferRef)bufferParameters
buffer |
原始数据buffer |
|---|
Return Value
数据地址
Availability
v3.0
Declared In
TuSDKMediaSampleBufferAssistant.h
+ createAudioSample:length:timing:audioStreamBasicDescription:
重新封包生成CMSampleBufferRef
+ (CMSampleBufferRef)createAudioSample:(int8_t *)audioData length:(UInt32)len timing:(CMSampleTimingInfo)timing audioStreamBasicDescription:(AudioStreamBasicDescription)asbdParameters
audioData |
音频数据地址 |
|---|---|
len |
音频数据长度 |
timing |
音频数据时间信息 |
asbd |
音频数据格式描述信息 |
Return Value
音频数据
Availability
v3.0
Declared In
TuSDKMediaSampleBufferAssistant.h
+ createAudioSample:length:time:audioStreamBasicDescription:
重新封包生成CMSampleBufferRef
+ (CMSampleBufferRef)createAudioSample:(int8_t *)audioData length:(UInt32)len time:(long long)time audioStreamBasicDescription:(AudioStreamBasicDescription)asbdParameters
audioData |
音频数据地址 |
|---|---|
len |
音频数据长度 |
time |
音频数据时间 |
asbd |
音频数据格式描述信息 |
Return Value
音频数据
Availability
v3.0
Declared In
TuSDKMediaSampleBufferAssistant.h
+ adjustPTS:bySpeed:
重设PTS后获取新的sampleBuffer
+ (CMSampleBufferRef)adjustPTS:(CMSampleBufferRef)sample bySpeed:(CGFloat)speedParameters
sample |
原始sampleBuffer |
|---|---|
speed |
变速比率 |
Return Value
新的sampleBuffer
Availability
v3.0
Declared In
TuSDKMediaSampleBufferAssistant.h
+ adjustPTS:byOffset:
重设PTS后获取新的sampleBuffer
+ (CMSampleBufferRef)adjustPTS:(CMSampleBufferRef)sample byOffset:(CMTime)offsetParameters
sample |
原始sampleBuffer |
|---|---|
offset |
时间间隔 |
Return Value
新的sampleBuffer
Availability
v3.0
Declared In
TuSDKMediaSampleBufferAssistant.h
+ sampleBufferCreateCopyWithDeep:
深拷贝sampleBuffer
+ (CMSampleBufferRef)sampleBufferCreateCopyWithDeep:(CMSampleBufferRef)sampleBufferParameters
sampleBuffer |
CMSampleBufferRef |
|---|
Return Value
CMSampleBufferRef
Availability
v3.0
Declared In
TuSDKMediaSampleBufferAssistant.h
+ sampleBufferCreateCopy:
拷贝sampleBuffer
+ (CMSampleBufferRef)sampleBufferCreateCopy:(CMSampleBufferRef)sampleBufferParameters
sampleBuffer |
CMSampleBufferRef |
|---|
Return Value
CMSampleBufferRef
Availability
v3.0
Declared In
TuSDKMediaSampleBufferAssistant.h