TuSdkMediaFileExtractor

java.lang.Object
- org.lasque.tusdk.core.media.codec.decoder.TuSdkMediaFileExtractor

所有已实现的接口:: TuSdkMediaExtractor

public class TuSdkMediaFileExtractor
extends java.lang.Object
implements TuSdkMediaExtractor

MediaExtractor for File

字段概要

字段
限定符和类型字段和说明

static int AUDIO_THREAD

static int VIDEO_THREAD

字段
限定符和类型	字段和说明
`static int`	`AUDIO_THREAD`
`static int`	`VIDEO_THREAD`

构造器概要

构造器
构造器和说明

TuSdkMediaFileExtractor()

构造器
构造器和说明
`TuSdkMediaFileExtractor()`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`protected void`	`_asyncMediaThread()` 异步媒体线程
`boolean`	`advance()` Advance to the next sample.
`long`	`advanceNestest(long timeUs)` 遍历移动到最接近的时间 [为-1即到结尾]
`protected android.media.MediaExtractor`	`buildExtractor()` 创建媒体分离器
`protected void`	`finalize()`
`long`	`getCachedDuration()` Returns an estimate of how much data is presently cached in memory expressed in microseconds.
`android.media.MediaExtractor.CasInfo`	`getCasInfo(int index)` Retrieves the information about the conditional access system used to scramble a track.
`android.media.DrmInitData`	`getDrmInitData()` Extract DRM initialization data if it exists
`TuSdkMediaFrameInfo`	`getFrameInfo()` 帧信息
`long`	`getFrameIntervalUs()` 获取实时帧间隔时间
`android.os.PersistableBundle`	`getMetrics()` Return Metrics data about the current media container.
`java.util.Map<java.util.UUID,byte[]>`	`getPsshInfo()` Get the PSSH info if present.
`boolean`	`getSampleCryptoInfo(android.media.MediaCodec.CryptoInfo info)` If the sample flags indicate that the current sample is at least partially encrypted, this call returns relevant information about the structure of the sample data required for decryption.
`int`	`getSampleFlags()` Returns the current sample's flags.
`long`	`getSampleTime()` Returns the current sample's presentation time in microseconds.
`int`	`getSampleTrackIndex()` Returns the track index the current sample originates from (or -1 if no more samples are available)
`int`	`getTrackCount()` Count the number of tracks found in the data source.
`android.media.MediaFormat`	`getTrackFormat(int index)` Get the track format at the specified index.
`boolean`	`hasCacheReachedEndOfStream()` Returns true iff we are caching data and the cache has reached the end of the data stream (for now, a future seek may of course restart the fetching of data).
`boolean`	`isPlaying()` 是否正在播放
`void`	`pause()` 暂停播放
`void`	`play()` 执行数据分离
`int`	`readSampleData(java.nio.ByteBuffer byteBuf, int offset)` Retrieve the current encoded sample and store it in the byte buffer starting at the given offset.
`void`	`release()` 销毁
`void`	`resume()` 恢复播放
`long`	`seekTo(long timeUs)` 跳转到指定时间使用 MediaExtractor.SEEK_TO_CLOSEST_SYNC
`long`	`seekTo(long timeUs, boolean reverse)` 跳转到指定时间内 normal : MediaExtractor.SEEK_TO_NEXT_SYNC reverse: MediaExtractor.SEEK_TO_PREVIOUS_SYNC
`long`	`seekTo(long timeUs, int mode)` 跳转到指定时间
`void`	`selectTrack(int index)` Subsequent calls to `readSampleData(java.nio.ByteBuffer, int)`, and `getSampleTime()` only retrieve information for the subset of tracks selected.
`TuSdkMediaFileExtractor`	`setDataSource(android.content.res.AssetFileDescriptor afd)` Sets the data source (AssetFileDescriptor) to use.
`TuSdkMediaFileExtractor`	`setDataSource(android.content.Context context, android.net.Uri uri, java.util.Map<java.lang.String,java.lang.String> headers)` Sets the data source as a content Uri.
`TuSdkMediaFileExtractor`	`setDataSource(java.io.FileDescriptor fd)` Sets the data source (FileDescriptor) to use.
`TuSdkMediaFileExtractor`	`setDataSource(java.io.FileDescriptor fd, long offset, long length)` Sets the data source (FileDescriptor) to use.
`TuSdkMediaFileExtractor`	`setDataSource(android.media.MediaDataSource dataSource)` Sets the data source (MediaDataSource) to use.
`TuSdkMediaFileExtractor`	`setDataSource(java.lang.String path)` Sets the data source (file-path or http URL) to use.
`TuSdkMediaFileExtractor`	`setDataSource(java.lang.String path, java.util.Map<java.lang.String,java.lang.String> headers)` Sets the data source (file-path or http URL) to use.
`TuSdkMediaFileExtractor`	`setDataSource(org.lasque.tusdk.core.struct.TuSdkMediaDataSource mediaDataSource)` Set the data source for TuSdkMediaDataSource
`TuSdkMediaFileExtractor`	`setDecodecOperation(TuSdkDecodecOperation decodecOperation)` 设置解码器
`void`	`setThreadType(int type)` 设置线程类型
`void`	`syncPlay()` 同步方式启动

从类继承的方法 java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - VIDEO_THREAD
```
public static final int VIDEO_THREAD
```
    另请参阅:
    
    常量字段值
  - AUDIO_THREAD
```
public static final int AUDIO_THREAD
```
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - TuSdkMediaFileExtractor
```
public TuSdkMediaFileExtractor()
```
- 方法详细资料
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(android.media.MediaDataSource dataSource)
```
    Sets the data source (MediaDataSource) to use.
    
    参数:
    
    dataSource - the MediaDataSource for the media you want to extract from
    
    返回:
    
    MediaExtractor
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(android.content.Context context,
                                                   android.net.Uri uri,
                                                   java.util.Map<java.lang.String,java.lang.String> headers)
```
    Sets the data source as a content Uri.
    
    参数:
    
    context - the Context to use when resolving the Uri
    
    uri - the Content URI of the data you want to extract from.
    
    When uri refers to a network file the Manifest.permission.INTERNET permission is required.
    
    headers - the headers to be sent together with the request for the data. This can be null if no specific headers are to be sent with the request.
    
    返回:
    
    MediaExtractor
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(java.lang.String path)
```
    Sets the data source (file-path or http URL) to use.
    
    参数:
    
    path - the path of the file, or the http URL of the stream
    
    返回:
    
    MediaExtractor
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(java.lang.String path,
                                                   java.util.Map<java.lang.String,java.lang.String> headers)
```
    Sets the data source (file-path or http URL) to use.
    
    参数:
    
    path - the path of the file, or the http URL
    
    When path refers to a network file the Manifest.permission.INTERNET permission is required.
    
    headers - the headers associated with the http request for the stream you want to play. This can be null if no specific headers are to be sent with the request.
    
    返回:
    
    MediaExtractor
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(android.content.res.AssetFileDescriptor afd)
```
    Sets the data source (AssetFileDescriptor) to use. It is the caller's responsibility to close the file descriptor. It is safe to do so as soon as this call returns.
    
    参数:
    
    afd - the AssetFileDescriptor for the file you want to extract from.
    
    返回:
    
    MediaExtractor
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(java.io.FileDescriptor fd)
```
    Sets the data source (FileDescriptor) to use. It is the caller's responsibility to close the file descriptor. It is safe to do so as soon as this call returns.
    
    参数:
    
    fd - the FileDescriptor for the file you want to extract from.
    
    返回:
    
    MediaExtractor
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(java.io.FileDescriptor fd,
                                                   long offset,
                                                   long length)
```
    Sets the data source (FileDescriptor) to use. The FileDescriptor must be seekable (N.B. a LocalSocket is not seekable). It is the caller's responsibility to close the file descriptor. It is safe to do so as soon as this call returns.
    
    参数:
    
    fd - the FileDescriptor for the file you want to extract from.
    
    offset - the offset into the file where the data to be extracted starts, in bytes
    
    length - the length in bytes of the data to be extracted
    
    返回:
    
    MediaExtractor
  - setDataSource
```
public final TuSdkMediaFileExtractor setDataSource(org.lasque.tusdk.core.struct.TuSdkMediaDataSource mediaDataSource)
```
    Set the data source for TuSdkMediaDataSource
    
    参数:
    
    mediaDataSource - the MediaDataSource by TuSdkMediaDataSource
    
    返回:
    
    MediaExtractor
  - setDecodecOperation
```
public TuSdkMediaFileExtractor setDecodecOperation(TuSdkDecodecOperation decodecOperation)
```
    设置解码器
  - release
```
public void release()
```
    销毁
    
    指定者:
    
    release 在接口中 TuSdkMediaExtractor
  - finalize
```
protected void finalize()
                 throws java.lang.Throwable
```
    覆盖:
    
    finalize 在类中 java.lang.Object
    
    抛出:
    
    java.lang.Throwable
  - syncPlay
```
public void syncPlay()
```
    同步方式启动
    
    指定者:
    
    syncPlay 在接口中 TuSdkMediaExtractor
  - play
```
public void play()
```
    执行数据分离
    
    指定者:
    
    play 在接口中 TuSdkMediaExtractor
  - setThreadType
```
public void setThreadType(int type)
```
    设置线程类型
    
    参数:
    
    type - 1 视频解码线程 2 音频解码线程
  - _asyncMediaThread
```
protected void _asyncMediaThread()
```
    异步媒体线程
  - buildExtractor
```
protected android.media.MediaExtractor buildExtractor()
```
    创建媒体分离器
  - getTrackFormat
```
public android.media.MediaFormat getTrackFormat(int index)
```
    Get the track format at the specified index.
    
    指定者:
    
    getTrackFormat 在接口中 TuSdkMediaExtractor
    
    参数:
    
    index - track index
    
    返回:
    
    format
  - getTrackCount
```
public int getTrackCount()
```
    Count the number of tracks found in the data source.
    
    指定者:
    
    getTrackCount 在接口中 TuSdkMediaExtractor
  - selectTrack
```
public void selectTrack(int index)
```
    Subsequent calls to readSampleData(java.nio.ByteBuffer, int), and getSampleTime() only retrieve information for the subset of tracks selected. Selecting the same track multiple times has no effect, the track is only selected once.
    
    指定者:
    
    selectTrack 在接口中 TuSdkMediaExtractor
  - getSampleTime
```
public long getSampleTime()
```
    Returns the current sample's presentation time in microseconds. or -1 if no more samples are available.
    
    指定者:
    
    getSampleTime 在接口中 TuSdkMediaExtractor
  - getSampleFlags
```
public int getSampleFlags()
```
    Returns the current sample's flags.
    
    指定者:
    
    getSampleFlags 在接口中 TuSdkMediaExtractor
  - getSampleTrackIndex
```
public int getSampleTrackIndex()
```
    Returns the track index the current sample originates from (or -1 if no more samples are available)
    
    指定者:
    
    getSampleTrackIndex 在接口中 TuSdkMediaExtractor
  - getSampleCryptoInfo
```
public boolean getSampleCryptoInfo(android.media.MediaCodec.CryptoInfo info)
```
    If the sample flags indicate that the current sample is at least partially encrypted, this call returns relevant information about the structure of the sample data required for decryption.
    
    指定者:
    
    getSampleCryptoInfo 在接口中 TuSdkMediaExtractor
    
    参数:
    
    info - The android.media.MediaCodec.CryptoInfo structure to be filled in.
    
    返回:
    
    true iff the sample flags contain SAMPLE_FLAG_ENCRYPTED
  - getCachedDuration
```
public long getCachedDuration()
```
    Returns an estimate of how much data is presently cached in memory expressed in microseconds. Returns -1 if that information is unavailable or not applicable (no cache).
    
    指定者:
    
    getCachedDuration 在接口中 TuSdkMediaExtractor
  - getCasInfo
```
public android.media.MediaExtractor.CasInfo getCasInfo(int index)
```
    Retrieves the information about the conditional access system used to scramble a track.
    
    指定者:
    
    getCasInfo 在接口中 TuSdkMediaExtractor
    
    参数:
    
    index - of the track.
    
    返回:
    
    an MediaExtractor.CasInfo object describing the conditional access system.
  - getDrmInitData
```
public android.media.DrmInitData getDrmInitData()
```
    Extract DRM initialization data if it exists
    
    指定者:
    
    getDrmInitData 在接口中 TuSdkMediaExtractor
    
    返回:
    
    DRM initialization data in the content, or null if no recognizable DRM format is found;
    
    另请参阅:
    
    DrmInitData
  - getMetrics
```
public android.os.PersistableBundle getMetrics()
```
    Return Metrics data about the current media container.
    
    指定者:
    
    getMetrics 在接口中 TuSdkMediaExtractor
    
    返回:
    
    a PersistableBundle containing the set of attributes and values available for the media container being handled by this instance of MediaExtractor. The attributes are descibed in MediaExtractor.MetricsConstants.
    Additional vendor-specific fields may also be present in the return value.
  - getPsshInfo
```
public java.util.Map<java.util.UUID,byte[]> getPsshInfo()
```
    Get the PSSH info if present.
    
    指定者:
    
    getPsshInfo 在接口中 TuSdkMediaExtractor
    
    返回:
    
    a map of uuid-to-bytes, with the uuid specifying the crypto scheme, and the bytes being the data specific to that scheme. This can be null if the source does not contain PSSH info.
  - hasCacheReachedEndOfStream
```
public boolean hasCacheReachedEndOfStream()
```
    Returns true iff we are caching data and the cache has reached the end of the data stream (for now, a future seek may of course restart the fetching of data). This API only returns a meaningful result if getCachedDuration() indicates the presence of a cache, i.e. does NOT return -1.
    
    指定者:
    
    hasCacheReachedEndOfStream 在接口中 TuSdkMediaExtractor
  - isPlaying
```
public boolean isPlaying()
```
    是否正在播放
    
    指定者:
    
    isPlaying 在接口中 TuSdkMediaExtractor
  - pause
```
public void pause()
```
    暂停播放
    
    指定者:
    
    pause 在接口中 TuSdkMediaExtractor
  - resume
```
public void resume()
```
    恢复播放
    
    指定者:
    
    resume 在接口中 TuSdkMediaExtractor
  - seekTo
```
public long seekTo(long timeUs)
```
    跳转到指定时间使用 MediaExtractor.SEEK_TO_CLOSEST_SYNC
    
    指定者:
    
    seekTo 在接口中 TuSdkMediaExtractor
    
    参数:
    
    timeUs - 跳转到指定时间(微秒)
    
    返回:
    
    跳转后时间
  - seekTo
```
public long seekTo(long timeUs,
                   boolean reverse)
```
    跳转到指定时间内 normal : MediaExtractor.SEEK_TO_NEXT_SYNC reverse: MediaExtractor.SEEK_TO_PREVIOUS_SYNC
    
    指定者:
    
    seekTo 在接口中 TuSdkMediaExtractor
    
    参数:
    
    timeUs - 跳转到指定时间(微秒)
    
    reverse - 是否为倒序
    
    返回:
    
    跳转后时间
  - seekTo
```
public long seekTo(long timeUs,
                   int mode)
```
    跳转到指定时间
    
    指定者:
    
    seekTo 在接口中 TuSdkMediaExtractor
    
    参数:
    
    timeUs - 跳转到指定时间(微秒)
    
    mode - 模式: MediaExtractor.SEEK_TO_PREVIOUS_SYNC MediaExtractor.SEEK_TO_NEXT_SYNC MediaExtractor.SEEK_TO_CLOSEST_SYNC
    
    返回:
    
    跳转后时间
  - advance
```
public boolean advance()
```
    Advance to the next sample. Returns false if no more sample data is available (end of stream).
    When extracting a local file, the behaviors of advance() and readSampleData(java.nio.ByteBuffer, int) are undefined in presence of concurrent writes to the same local file; more specifically, end of stream could be signalled earlier than expected.
    
    指定者:
    
    advance 在接口中 TuSdkMediaExtractor
  - readSampleData
```
public int readSampleData(java.nio.ByteBuffer byteBuf,
                          int offset)
```
    Retrieve the current encoded sample and store it in the byte buffer starting at the given offset.
    Note:As of API 21, on success the position and limit of byteBuf is updated to point to the data just read.
    
    指定者:
    
    readSampleData 在接口中 TuSdkMediaExtractor
    
    参数:
    
    byteBuf - the destination byte buffer
    
    返回:
    
    the sample size (or -1 if no more samples are available).
  - getFrameIntervalUs
```
public long getFrameIntervalUs()
```
    获取实时帧间隔时间
    
    指定者:
    
    getFrameIntervalUs 在接口中 TuSdkMediaExtractor
  - advanceNestest
```
public long advanceNestest(long timeUs)
```
    遍历移动到最接近的时间 [为-1即到结尾]
    
    指定者:
    
    advanceNestest 在接口中 TuSdkMediaExtractor
  - getFrameInfo
```
public TuSdkMediaFrameInfo getFrameInfo()
```
    帧信息
    
    指定者:
    
    getFrameInfo 在接口中 TuSdkMediaExtractor

类 TuSdkMediaFileExtractor

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

VIDEO_THREAD

AUDIO_THREAD

构造器详细资料

TuSdkMediaFileExtractor

方法详细资料

setDataSource

setDataSource

setDataSource

setDataSource

setDataSource

setDataSource

setDataSource

setDataSource

setDecodecOperation

release

finalize

syncPlay

play

setThreadType

_asyncMediaThread

buildExtractor

getTrackFormat

getTrackCount

selectTrack

getSampleTime

getSampleFlags

getSampleTrackIndex

getSampleCryptoInfo

getCachedDuration

getCasInfo

getDrmInitData

getMetrics

getPsshInfo

hasCacheReachedEndOfStream

isPlaying

pause

resume

seekTo

seekTo

seekTo

advance

readSampleData

getFrameIntervalUs

advanceNestest

getFrameInfo