媒体文件转码类更多...

类
interface	MeidaFileConvertorCallback

Public 成员函数
	NvsMediaFileConvertor ()

void	release ()
	释放转码类对象更多...

boolean	isReleased ()
	是否已经释放转码类对象更多...

void	setMeidaFileConvertorCallback (MeidaFileConvertorCallback callback, Handler hanlder)
	设置转码类的回调更多...

void	setMeidaFileConvertorCallback (MeidaFileConvertorCallback callback, boolean postMainLoop)
	设置转码类的回调更多...

long	convertMeidaFile (String srcFile, String dstFile, boolean isReverseConvert, long fromPositon, long toPosition, Hashtable< String, Object > configurations)
	开始转码更多...

void	cancelTask (long taskId)
	取消转码任务更多...

静态 Public 属性
static final String	CONVERTOR_AUDIO_CHANNEL_MAP = "convertor-audio-channel-map"
	设置声道映射表，目前支持“left”, "right",比如：映射表为："'right','left'" 更多...

转码参数

static final String	CONVERTOR_CUSTOM_VIDEO_HEIGHT = "custom-video-height"
	设置自定义视频输出高度，宽度会等比例自动缩放。类型：整型更多...

static final String	CONVERTOR_CUSTOM_AUDIO_SAMPLE_RATE = "custom-audio-sample-rate"
	设置自定义音频采样率，类型：整型更多...

static final String	CONVERTOR_NO_VIDEO = "convertor-no-video"
	只进行音频转码，类型：bool 更多...

static final String	CONVERTOR_NO_AUDIO = "convertor-no-audio"
	只进行视频转码，类型：bool 更多...

static final String	CONVERTOR_CUSTOM_AUDIO_CHANNEL = "custom-audio-channel"
	设置自定义音频通道数, 类型：int 更多...

static final String	CONVERTOR_CUSTOM_AUDIO_PCM_FILE = "custom-audio-pcm-file"
	设置自定义音频PCM文件, 类型：bool 更多...

static final String	CONVERTOR_DETECTED_AUDIO_MUTE_FACTOR = "detected_audio_mute"
	设置检测静音的阈值, 类型：int 更多...

static final String	CONVERTOR_DISABLE_HARDWARE_VIDEO_DECODER = "disable_hardware_video_decoder"
	禁用硬件解码器，类型：bool 更多...

static final String	CONVERTOR_CUSTOM_VIDEO_FRAME_RATE = "custom-video-frame-rate"
	设置自定义视频帧率，类型：int 更多...

static final String	CONVERTOR_MAX_CACHE_SIZE_IN_MEMORY = "max_cache_size_in_memory"
	在内存中缓存的视频帧数量,类型：int 更多...

static final String	CONVERTOR_REVERSE_AUDIO_STREAM = "convertor-reverse-audio"
	倒放音频流，类型：bool 更多...

static final String	CONVERTOR_AUDIO_ENCODER_NAME = "audio encoder name"
	指定视频压缩格式，目前支持amr-wb, mp3，类型：string 更多...

static final String	CONVERTOR_BITRATE = "bitrate"
	生成视频码率，单位bps。类型：整型更多...

static final String	CONVERTOR_GOP_SIZE = "gopsize"
	生成视频GOP SIZE，类型：整型更多...

static final String	CONVERTOR_AUDIO_BITRATE = "audio bitrate"
	生成音频码率，单位bps。类型：整型更多...

static final String	CONVERTOR_ENABLE_HDR = "enable hdr"
	开启HDR视频转换类型：bool 更多...

转码错误类型

static final int	CONVERTOR_ERROR_CODE_NO_ERROR = 0
	没有错误更多...

static final int	CONVERTOR_ERROR_CODE_CANCEL = 1
	当前任务已经取消更多...

static final int	CONVERTOR_ERROR_VIDEO_ENCODER_SETUP_ERROR = 2
	视频编码器设置错误更多...

static final int	CONVERTOR_ERROR_VIDEO_ENCODING_ERROR = 3
	视频编码器编码过程中出现错误更多...

static final int	CONVERTOR_ERROR_VIDEO_DECODER_ERROR = 4
	视频解码器设置过程中出现错误更多...

static final int	CONVERTOR_ERROR_VIDEO_DECODING_ERROR = 5
	视频解码器解码过程中出现错误更多...

static final int	CONVERTOR_ERROR_UNKNOWN = 65535

Protected 成员函数
void	finalize () throws Throwable

void	notifyProgress (final long taskId, final float progress)

void	notifyFinish (final long taskId, final String srcFile, final String dstFile, final int errorCode)

void	notifyAudioMuteRage (final long taskId, final long startPts, final long endPts)

详细描述

媒体文件转码类

构造及析构函数说明

◆ NvsMediaFileConvertor()

com.meicam.sdk.NvsMediaFileConvertor.NvsMediaFileConvertor ( )

inline

成员函数说明

◆ cancelTask()

void com.meicam.sdk.NvsMediaFileConvertor.cancelTask ( long taskId )

inline

取消转码任务

参数

taskId 任务id

◆ convertMeidaFile()

long com.meicam.sdk.NvsMediaFileConvertor.convertMeidaFile	(	String	srcFile,
		String	dstFile,
		boolean	isReverseConvert,
		long	fromPositon,
		long	toPosition,
		Hashtable< String, Object >	configurations
	)

inline

开始转码

参数

srcFile	源文件
dstFile	目标文件
isReverseConvert	是否倒放转码
fromPositon	转码的起点时间
toPosition	转码的止点时间
configurations	转码参数集合

返回: 转码任务ID

◆ finalize()

void com.meicam.sdk.NvsMediaFileConvertor.finalize ( ) throws Throwable

inlineprotected

◆ isReleased()

boolean com.meicam.sdk.NvsMediaFileConvertor.isReleased ( )

inline

是否已经释放转码类对象

返回: 返回是否释放

◆ notifyAudioMuteRage()

void com.meicam.sdk.NvsMediaFileConvertor.notifyAudioMuteRage	(	final long	taskId,
		final long	startPts,
		final long	endPts
	)

inlineprotected

◆ notifyFinish()

void com.meicam.sdk.NvsMediaFileConvertor.notifyFinish	(	final long	taskId,
		final String	srcFile,
		final String	dstFile,
		final int	errorCode
	)

inlineprotected

◆ notifyProgress()

void com.meicam.sdk.NvsMediaFileConvertor.notifyProgress	(	final long	taskId,
		final float	progress
	)

inlineprotected

◆ release()

void com.meicam.sdk.NvsMediaFileConvertor.release ( )

inline

释放转码类对象

◆ setMeidaFileConvertorCallback() [1/2]

void com.meicam.sdk.NvsMediaFileConvertor.setMeidaFileConvertorCallback	(	MeidaFileConvertorCallback	callback,
		boolean	postMainLoop
	)

inline

设置转码类的回调

参数

callback	回调对象
postMainLoop	是否回调到主消息循环

◆ setMeidaFileConvertorCallback() [2/2]

void com.meicam.sdk.NvsMediaFileConvertor.setMeidaFileConvertorCallback	(	MeidaFileConvertorCallback	callback,
		Handler	hanlder
	)

inline

设置转码类的回调

参数

callback	回调对象
hanlder	回调的hanlder，如果是null就回调到mainLooper

类成员变量说明

◆ CONVERTOR_AUDIO_BITRATE

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_AUDIO_BITRATE = "audio bitrate"

static

生成音频码率，单位bps。类型：整型

◆ CONVERTOR_AUDIO_CHANNEL_MAP

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_AUDIO_CHANNEL_MAP = "convertor-audio-channel-map"

static

设置声道映射表，目前支持“left”, "right",比如：映射表为："'right','left'"

设置声道映射表，目前支持“left”, "right";映射表的数量必须和输出声道的数量一致比如：映射表为："right,left", 表示输入的右声道到输出的左声道，输入的左声道到输出的右声道。

◆ CONVERTOR_AUDIO_ENCODER_NAME

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_AUDIO_ENCODER_NAME = "audio encoder name"

static

指定视频压缩格式，目前支持amr-wb, mp3，类型：string

◆ CONVERTOR_BITRATE

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_BITRATE = "bitrate"

static

生成视频码率，单位bps。类型：整型

◆ CONVERTOR_CUSTOM_AUDIO_CHANNEL

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_CUSTOM_AUDIO_CHANNEL = "custom-audio-channel"

static

设置自定义音频通道数, 类型：int

◆ CONVERTOR_CUSTOM_AUDIO_PCM_FILE

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_CUSTOM_AUDIO_PCM_FILE = "custom-audio-pcm-file"

static

设置自定义音频PCM文件, 类型：bool

◆ CONVERTOR_CUSTOM_AUDIO_SAMPLE_RATE

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_CUSTOM_AUDIO_SAMPLE_RATE = "custom-audio-sample-rate"

static

设置自定义音频采样率，类型：整型

◆ CONVERTOR_CUSTOM_VIDEO_FRAME_RATE

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_CUSTOM_VIDEO_FRAME_RATE = "custom-video-frame-rate"

static

设置自定义视频帧率，类型：int

◆ CONVERTOR_CUSTOM_VIDEO_HEIGHT

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_CUSTOM_VIDEO_HEIGHT = "custom-video-height"

static

设置自定义视频输出高度，宽度会等比例自动缩放。类型：整型

◆ CONVERTOR_DETECTED_AUDIO_MUTE_FACTOR

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_DETECTED_AUDIO_MUTE_FACTOR = "detected_audio_mute"

static

设置检测静音的阈值, 类型：int

◆ CONVERTOR_DISABLE_HARDWARE_VIDEO_DECODER

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_DISABLE_HARDWARE_VIDEO_DECODER = "disable_hardware_video_decoder"

static

禁用硬件解码器，类型：bool

◆ CONVERTOR_ENABLE_HDR

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ENABLE_HDR = "enable hdr"

static

开启HDR视频转换类型：bool

◆ CONVERTOR_ERROR_CODE_CANCEL

final int com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ERROR_CODE_CANCEL = 1

static

当前任务已经取消

◆ CONVERTOR_ERROR_CODE_NO_ERROR

final int com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ERROR_CODE_NO_ERROR = 0

static

没有错误

◆ CONVERTOR_ERROR_UNKNOWN

final int com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ERROR_UNKNOWN = 65535

static

出现没有定义的错误

◆ CONVERTOR_ERROR_VIDEO_DECODER_ERROR

final int com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ERROR_VIDEO_DECODER_ERROR = 4

static

视频解码器设置过程中出现错误

◆ CONVERTOR_ERROR_VIDEO_DECODING_ERROR

final int com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ERROR_VIDEO_DECODING_ERROR = 5

static

视频解码器解码过程中出现错误

◆ CONVERTOR_ERROR_VIDEO_ENCODER_SETUP_ERROR

final int com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ERROR_VIDEO_ENCODER_SETUP_ERROR = 2

static

视频编码器设置错误

◆ CONVERTOR_ERROR_VIDEO_ENCODING_ERROR

final int com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_ERROR_VIDEO_ENCODING_ERROR = 3

static

视频编码器编码过程中出现错误

◆ CONVERTOR_GOP_SIZE

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_GOP_SIZE = "gopsize"

static

生成视频GOP SIZE，类型：整型

◆ CONVERTOR_MAX_CACHE_SIZE_IN_MEMORY

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_MAX_CACHE_SIZE_IN_MEMORY = "max_cache_size_in_memory"

static

在内存中缓存的视频帧数量,类型：int

◆ CONVERTOR_NO_AUDIO

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_NO_AUDIO = "convertor-no-audio"

static

只进行视频转码，类型：bool

◆ CONVERTOR_NO_VIDEO

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_NO_VIDEO = "convertor-no-video"

static

只进行音频转码，类型：bool

◆ CONVERTOR_REVERSE_AUDIO_STREAM

final String com.meicam.sdk.NvsMediaFileConvertor.CONVERTOR_REVERSE_AUDIO_STREAM = "convertor-reverse-audio"

static

倒放音频流，类型：bool

该类的文档由以下文件生成:

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

类

Public 成员函数

静态 Public 属性

Protected 成员函数

详细描述

构造及析构函数说明

◆ NvsMediaFileConvertor()

成员函数说明

◆ cancelTask()

◆ convertMeidaFile()

◆ finalize()

◆ isReleased()

◆ notifyAudioMuteRage()

◆ notifyFinish()

◆ notifyProgress()

◆ release()

◆ setMeidaFileConvertorCallback() [1/2]

◆ setMeidaFileConvertorCallback() [2/2]

类成员变量说明

◆ CONVERTOR_AUDIO_BITRATE

◆ CONVERTOR_AUDIO_CHANNEL_MAP

◆ CONVERTOR_AUDIO_ENCODER_NAME

◆ CONVERTOR_BITRATE

◆ CONVERTOR_CUSTOM_AUDIO_CHANNEL

◆ CONVERTOR_CUSTOM_AUDIO_PCM_FILE

◆ CONVERTOR_CUSTOM_AUDIO_SAMPLE_RATE

◆ CONVERTOR_CUSTOM_VIDEO_FRAME_RATE

◆ CONVERTOR_CUSTOM_VIDEO_HEIGHT

◆ CONVERTOR_DETECTED_AUDIO_MUTE_FACTOR

◆ CONVERTOR_DISABLE_HARDWARE_VIDEO_DECODER

◆ CONVERTOR_ENABLE_HDR

◆ CONVERTOR_ERROR_CODE_CANCEL

◆ CONVERTOR_ERROR_CODE_NO_ERROR

◆ CONVERTOR_ERROR_UNKNOWN

◆ CONVERTOR_ERROR_VIDEO_DECODER_ERROR

◆ CONVERTOR_ERROR_VIDEO_DECODING_ERROR

◆ CONVERTOR_ERROR_VIDEO_ENCODER_SETUP_ERROR

◆ CONVERTOR_ERROR_VIDEO_ENCODING_ERROR

◆ CONVERTOR_GOP_SIZE

◆ CONVERTOR_MAX_CACHE_SIZE_IN_MEMORY

◆ CONVERTOR_NO_AUDIO

◆ CONVERTOR_NO_VIDEO

◆ CONVERTOR_REVERSE_AUDIO_STREAM