Package com.wowza.wms.httpstreamer.mpegdashstreaming.util

Class MPEGDashUtils

Object

com.wowza.wms.httpstreamer.mpegdashstreaming.util.MPEGDashUtils

public class MPEGDashUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
MPEGDashUtils()

Method Summary

Modifier and Type	Method	Description
static String	audioCodecIdToString(int codecId, com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio)
static String	codecInfoAudioToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio)
static String	codecInfoAudioToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio, int codecStrFormatId)
static String	codecInfoVideoToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo, int codecStrFormatId)
static String	codecInfoVideoToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo, int codecStrFormatId, boolean forceH264BaselineProfile)
static String	dimensionsToAspectRatioString(int width, int height)
static int	encryptSubSample(byte[] buffer, ICencEncryptor encryptor, int offset, PacketFragmentList delimitedNALUnits, int nalUnitLen, int blockSize, int minClear, int nalSize, com.wowza.wms.drm.cenc.CencSampleAuxiliaryData.CencSubSample subSample)
static int	filenameToManifestId(String filename)
static int	filenameToProfile(String filename)
static String	fixupAudioCodecString(String audioCodecStr, int codecId, com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio)
static String	fixupVideoCodecString(String videoCodecStr, int codecId, com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo)
static String	frameRateToFrString(double frameRate)
static com.wowza.wms.drm.cenc.CencSampleAuxiliaryData	generateVideoSAD(ICencEncryptor encryptor, byte[] buffer, int offset, int size, PacketFragmentList delimitedNALUnits, int videoCodec, int nalUnitLen)
static CencInfo	getCencInfo(IApplicationInstance appInstance, String streamName, IHTTPStreamerSession httpStreamerSession, IHTTPStreamerMPEGDashIndex index, long segmentId, CencInfo cencInfo)
static CencInfo	getCencInfo(IApplicationInstance appInstance, String streamName, ILiveStreamPacketizer liveStreamPacketizer, long segmentId, CencInfo cencInfo)
static void	getCompatibleBrandsAudio(java.util.List<String> brandsList, boolean isInit, int audioCodec)
static void	getCompatibleBrandsVideo(java.util.List<String> brandsList, boolean isInit, int videoCodec)
static byte[]	getH264AVCCBytes(byte[] codecConfig)
static byte[]	getH265CodecHVCCBytes(byte[] codecConfig)
static String	getMajorBrandAudio()
static String	getMajorBrandVideo()
static int	getVideoCodecNalType(int videoCodec, byte[] buffer, int offset, int nalUnitLen)
static int	manifestIdStrToId(String value)
static String	millisToDurationStr(long millis)
static long	msecToSec(long time)
static long	msecToTimescaled(long time, long timescale)
static void	parseH264CodecConfig(byte[] codecConfig, com.wowza.wms.media.mp4.fragment.MP4FragmentWriterMedia videoHolder)
static void	parseH265CodecConfig(byte[] codecConfig, com.wowza.wms.media.mp4.fragment.MP4FragmentWriterMedia videoHolder)
static int	parseNalUnitLengthForCodec(int videoCodec, byte[] codecConfig)
static int	profileStrToId(String value)
static double	roughAspectRatioValue(int width, int height)
static String	segmentFormatToFileExt(com.wowza.wms.httpstreamer.model.SegmentFormat segmentFormat)
static String	segmentTypeIdToStr(int id)
static int	segmentTypeStrToId(String value)
static boolean	shouldEncryptNALUnit(int codec, int nalUnitType)	Returns whether a NAL Unit should be encrypted or not based on Codec and NAL Unit type.
static long	timescaledToMsec(long time, long timescale)
static String	videoCodecIdToString(int codecId, com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo)

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MPEGDashUtils

public MPEGDashUtils()

Method Detail

getCencInfo

public static CencInfo getCencInfo(IApplicationInstance appInstance,
                                   String streamName,
                                   IHTTPStreamerSession httpStreamerSession,
                                   IHTTPStreamerMPEGDashIndex index,
                                   long segmentId,
                                   CencInfo cencInfo)

getCencInfo

public static CencInfo getCencInfo(IApplicationInstance appInstance,
                                   String streamName,
                                   ILiveStreamPacketizer liveStreamPacketizer,
                                   long segmentId,
                                   CencInfo cencInfo)

fixupVideoCodecString

public static String fixupVideoCodecString(String videoCodecStr,
                                           int codecId,
                                           com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo)

fixupAudioCodecString

public static String fixupAudioCodecString(String audioCodecStr,
                                           int codecId,
                                           com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio)

videoCodecIdToString

public static String videoCodecIdToString(int codecId,
                                          com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo)

audioCodecIdToString

public static String audioCodecIdToString(int codecId,
                                          com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio)

millisToDurationStr

public static String millisToDurationStr(long millis)

codecInfoAudioToCodecsStr

public static String codecInfoAudioToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio)

codecInfoAudioToCodecsStr

public static String codecInfoAudioToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoAudio codecInfoAudio,
                                               int codecStrFormatId)

codecInfoVideoToCodecsStr

public static String codecInfoVideoToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo,
                                               int codecStrFormatId)

codecInfoVideoToCodecsStr

public static String codecInfoVideoToCodecsStr(com.wowza.wms.media.model.MediaCodecInfoVideo codecInfoVideo,
                                               int codecStrFormatId,
                                               boolean forceH264BaselineProfile)

filenameToManifestId

public static int filenameToManifestId(String filename)

segmentTypeIdToStr

public static String segmentTypeIdToStr(int id)

segmentTypeStrToId

public static int segmentTypeStrToId(String value)

manifestIdStrToId

public static int manifestIdStrToId(String value)

profileStrToId

public static int profileStrToId(String value)

filenameToProfile

public static int filenameToProfile(String filename)

roughAspectRatioValue

public static double roughAspectRatioValue(int width,
                                           int height)

dimensionsToAspectRatioString

public static String dimensionsToAspectRatioString(int width,
                                                   int height)

frameRateToFrString

public static String frameRateToFrString(double frameRate)

timescaledToMsec

public static long timescaledToMsec(long time,
                                    long timescale)

msecToSec

public static long msecToSec(long time)

msecToTimescaled

public static long msecToTimescaled(long time,
                                    long timescale)

getMajorBrandAudio

public static String getMajorBrandAudio()

getMajorBrandVideo

public static String getMajorBrandVideo()

getCompatibleBrandsAudio

public static void getCompatibleBrandsAudio(java.util.List<String> brandsList,
                                            boolean isInit,
                                            int audioCodec)

getCompatibleBrandsVideo

public static void getCompatibleBrandsVideo(java.util.List<String> brandsList,
                                            boolean isInit,
                                            int videoCodec)

segmentFormatToFileExt

public static String segmentFormatToFileExt(com.wowza.wms.httpstreamer.model.SegmentFormat segmentFormat)

shouldEncryptNALUnit

public static boolean shouldEncryptNALUnit(int codec,
                                           int nalUnitType)

Returns whether a NAL Unit should be encrypted or not based on Codec and NAL Unit type.

Parameters:

codec -

nalUnitType -

Returns:

generateVideoSAD

public static com.wowza.wms.drm.cenc.CencSampleAuxiliaryData generateVideoSAD(ICencEncryptor encryptor,
                                                                              byte[] buffer,
                                                                              int offset,
                                                                              int size,
                                                                              PacketFragmentList delimitedNALUnits,
                                                                              int videoCodec,
                                                                              int nalUnitLen)

encryptSubSample

public static int encryptSubSample(byte[] buffer,
                                   ICencEncryptor encryptor,
                                   int offset,
                                   PacketFragmentList delimitedNALUnits,
                                   int nalUnitLen,
                                   int blockSize,
                                   int minClear,
                                   int nalSize,
                                   com.wowza.wms.drm.cenc.CencSampleAuxiliaryData.CencSubSample subSample)

getH264AVCCBytes

public static byte[] getH264AVCCBytes(byte[] codecConfig)

parseH264CodecConfig

public static void parseH264CodecConfig(byte[] codecConfig,
                                        com.wowza.wms.media.mp4.fragment.MP4FragmentWriterMedia videoHolder)

getH265CodecHVCCBytes

public static byte[] getH265CodecHVCCBytes(byte[] codecConfig)

parseH265CodecConfig

public static void parseH265CodecConfig(byte[] codecConfig,
                                        com.wowza.wms.media.mp4.fragment.MP4FragmentWriterMedia videoHolder)

parseNalUnitLengthForCodec

public static int parseNalUnitLengthForCodec(int videoCodec,
                                             byte[] codecConfig)

getVideoCodecNalType

public static int getVideoCodecNalType(int videoCodec,
                                       byte[] buffer,
                                       int offset,
                                       int nalUnitLen)