Audio and video file information. More...

Public Member Functions
int	getAVFileType ()
	Gets the type of file. More...

long	getDuration ()
	Gets the duration of file. More...

long	getDataRate ()
	Gets the data rate of the file. More...

int	getVideoStreamCount ()
	Gets the number of video streams of the file. More...

int	getAudioStreamCount ()
	Gets the number of audio streams of the file. More...

long	getVideoStreamDuration (int videoStreamIndex)
	Get the duration of the current video stream through the video stream index. More...

NvsSize	getVideoStreamDimension (int videoStreamIndex)
	Gets the size of the current video stream through the video stream index. More...

NvsRational	getVideoStreamPixelAspectRatio (int videoStreamIndex)
	Gets the pixel aspect ratio of the current video stream through the video stream index. More...

NvsRational	getVideoStreamFrameRate (int videoStreamIndex)
	Gets the frame rate of the current video stream through the video stream index. More...

int	getVideoStreamRotation (int videoStreamIndex)
	Gets the rotation angle type of the current video stream through the video stream index. More...

int	getVideoStreamComponentBitCount (int videoStreamIndex)
	Gets the effective number of bits per pixel component of the current video stream through the video stream index. More...

long	getAudioStreamDuration (int audioStreamIndex)
	Gets the duration of the current audio stream through the audio stream index. More...

int	getAudioStreamSampleRate (int audioStreamIndex)
	Gets the sampling rate of the current audio stream through the audio stream index. More...

int	getAudioStreamChannelCount (int audioStreamIndex)
	Gets the number of channels of the current audio stream through the audio stream index. More...

Static Public Attributes
file type

static final int	AV_FILE_TYPE_UNKNOWN = -1
	Unknown type. More...

static final int	AV_FILE_TYPE_AUDIOVIDEO = 0
	Video type. More...

static final int	AV_FILE_TYPE_AUDIO = 1
	Audio type. More...

static final int	AV_FILE_TYPE_IMAGE = 2
	Image type. More...

Detailed Description

Audio and video file information.

Displays information about audio and video files, including the duration of audio and video files, data rate, aspect ratio of pixels, number of audio and video streams, and so on.

Warning: In the NvsAVFileInfo class, all public APIs can be used not only in the UI thread, but also across threads! ! !

Member Function Documentation

int com.meicam.sdk.NvsAVFileInfo.getAudioStreamChannelCount ( int audioStreamIndex )

inline

Gets the number of channels of the current audio stream through the audio stream index.

Parameters

audioStreamIndex Audio stream index

Returns: Returns the number of channels of the current audio stream.

int com.meicam.sdk.NvsAVFileInfo.getAudioStreamCount ( )

inline

Gets the number of audio streams of the file.

Returns: Returns the number of audio streams in the file.

long com.meicam.sdk.NvsAVFileInfo.getAudioStreamDuration ( int audioStreamIndex )

inline

Gets the duration of the current audio stream through the audio stream index.

Parameters

audioStreamIndex Audio stream index

Returns: Returns the duration of the current audio stream (in microseconds).

int com.meicam.sdk.NvsAVFileInfo.getAudioStreamSampleRate ( int audioStreamIndex )

inline

Gets the sampling rate of the current audio stream through the audio stream index.

Parameters

audioStreamIndex Audio stream index

Returns: Returns the sample rate of the current audio stream.

int com.meicam.sdk.NvsAVFileInfo.getAVFileType ( )

inline

Gets the type of file.

Returns: Returns the obtained file type

long com.meicam.sdk.NvsAVFileInfo.getDataRate ( )

inline

Gets the data rate of the file.

Returns: Returns the data rate of the file

long com.meicam.sdk.NvsAVFileInfo.getDuration ( )

inline

Gets the duration of file.

Returns: Returns the duration of file (in microseconds)

int com.meicam.sdk.NvsAVFileInfo.getVideoStreamComponentBitCount ( int videoStreamIndex )

inline

Gets the effective number of bits per pixel component of the current video stream through the video stream index.

Parameters

videoStreamIndex vedio stream index

Returns: Returns the number of pixels in the current video stream.

int com.meicam.sdk.NvsAVFileInfo.getVideoStreamCount ( )

inline

Gets the number of video streams of the file.

Returns: Returns the number of video streams of the file.

NvsSize com.meicam.sdk.NvsAVFileInfo.getVideoStreamDimension ( int videoStreamIndex )

inline

Gets the size of the current video stream through the video stream index.

Parameters

videoStreamIndex Video stream index

Returns: Returns a NvsSize object, which represents the size (width and height) of the video stream.

long com.meicam.sdk.NvsAVFileInfo.getVideoStreamDuration ( int videoStreamIndex )

inline

Get the duration of the current video stream through the video stream index.

Parameters

videoStreamIndex Video stream index

Returns: Returns the duration of the current video stream (in microseconds).

See also: getAudioStreamDuration

NvsRational com.meicam.sdk.NvsAVFileInfo.getVideoStreamFrameRate ( int videoStreamIndex )

inline

Gets the frame rate of the current video stream through the video stream index.

Parameters

videoStreamIndex Video stream index

Returns: Returns a NvsRational object indicating the frame rate of the current video stream.

NvsRational com.meicam.sdk.NvsAVFileInfo.getVideoStreamPixelAspectRatio ( int videoStreamIndex )

inline

Gets the pixel aspect ratio of the current video stream through the video stream index.

Parameters

videoStreamIndex Video stream index

Returns: Returns a NvsRational object representing the pixel aspect ratio of the current video stream.

int com.meicam.sdk.NvsAVFileInfo.getVideoStreamRotation ( int videoStreamIndex )

inline

Gets the rotation angle type of the current video stream through the video stream index.

Parameters

videoStreamIndex Video stream index

Returns: Returns the rotation angle type value of the current video stream. Please refer to Video Rotation Angle Type.

Member Data Documentation

final int com.meicam.sdk.NvsAVFileInfo.AV_FILE_TYPE_AUDIO = 1

static

Audio type.

final int com.meicam.sdk.NvsAVFileInfo.AV_FILE_TYPE_AUDIOVIDEO = 0

static

Video type.

final int com.meicam.sdk.NvsAVFileInfo.AV_FILE_TYPE_IMAGE = 2

static

Image type.

final int com.meicam.sdk.NvsAVFileInfo.AV_FILE_TYPE_UNKNOWN = -1

static

Unknown type.

The documentation for this class was generated from the following file:

src/android/jar/com/meicam/sdk/NvsAVFileInfo.java

Public Member Functions

Static Public Attributes

Detailed Description

Member Function Documentation

Member Data Documentation