Package com.wowza.wms.dvr

Interface IDvrPrivateConstants

All Known Subinterfaces:
IDvrConstants
public interface IDvrPrivateConstants
Internal and public constants. Public constants are contained in IDvrConstants. Undocumented/Private in this file. To make the constant public (and documented in javadocs, simply move to IDvrConstants)

  • Field Details

    • PROPERTY_INTERCEPTOR_CHUNK_DELEGATE

      static final String PROPERTY_INTERCEPTOR_CHUNK_DELEGATE
      DVR Property "dvrChunkInterceptorDelegate": for specifying a delegate that determines if DVR chunk should be stored or not. It's only here to allow a backdoor method of testing mbr streams that have gaps.
      See Also:

    • PROPERTY_UTC_DELEGATE_CLASS

      static final String PROPERTY_UTC_DELEGATE_CLASS
      DVR Property "dvrUtcTimeDelegate": for specifying a delegate that the utc time for a given chunk. Currently in private constants until article is written.
      See Also:

    • PROPERTY_UTC_ALIGN_TO_AUDIO

      static final String PROPERTY_UTC_ALIGN_TO_AUDIO
      DVR Property "dvrUtcAlignToAudio": determines if calculated Utc time gets aligned to audio or video. Note: Currently in private constants until article is written.
      See Also:

    • DEFAULT_PROPERTY_UTC_ALIGN_TO_AUDIO

      static final boolean DEFAULT_PROPERTY_UTC_ALIGN_TO_AUDIO
      Default value for DVR Property "dvrUtcAlignToAudio". Default value is true.
      See Also:

    • PROPERTY_UTC_USE_WOWZA_PACKET_ARRIVAL

      static final String PROPERTY_UTC_USE_WOWZA_PACKET_ARRIVAL
      DVR Property "dvrUtcUseWowzaPacketArrivalTime": determines if Utc times are based on the time the packet reaches Wowza or the time the chunks reach DVR (default). Note: Currently in private constants until article is written.
      See Also:

    • DEFAULT_PROPERTY_UTC_USE_WOWZA_PACKET_ARRIVAL

      static final boolean DEFAULT_PROPERTY_UTC_USE_WOWZA_PACKET_ARRIVAL
      Default value for DVR Property "dvrUtcUseWowzaPacketArrivalTime". Default value is false.
      See Also:

    • PROPERTY_MINIMUM_AVAILABLE_CHUNKS

      static final String PROPERTY_MINIMUM_AVAILABLE_CHUNKS
      DVR Property "dvrMinimumAvailableChunks": for specifying how many chunks must be available in order to play back the DVR recording.

      It is not recommended to have this set to less than three, as players typically require this many chunks.

      Add the property to Application/DVR/Properties section of Application.xml.

      See Also:

    • DEFAULT_PROPERTY_MINIMUM_AVAILABLE_CHUNKS

      static final int DEFAULT_PROPERTY_MINIMUM_AVAILABLE_CHUNKS
      Default value for DVR Property "dvrMinimumAvailableChunks".

      Default value is 3.

      See Also:

    • PROPERTY_PLAYLIST_CHUNKS_HELD_BACK

      static final String PROPERTY_PLAYLIST_CHUNKS_HELD_BACK
      DVR Property "dvrPlaylistChunksHeldBack": for specifying how many chunks are held back must be available in order to play back the DVR recording. Add the property to Application/DVR/Properties section of Application.xml.
      See Also:

    • DEFAULT_PROPERTY_PLAYLIST_CHUNKS_HELD_BACK

      static final int DEFAULT_PROPERTY_PLAYLIST_CHUNKS_HELD_BACK
      Default value for DVR Property "dvrPlaylistChunksHeldBack".

      Default value is 2.

      See Also:

    • PROPERTY_MANIFEST_PURGE_CACHE_SIZE

      static final String PROPERTY_MANIFEST_PURGE_CACHE_SIZE
      DVR Property "dvrManifestPurgeCacheSize": for specifying how many purged chunks are kept around just in case they are requested.

      When purging chunks occurs, the DVR keeps a few chunks around that normally would have been purged just in case they are requested.

      Add the property to Application/DVR/Properties section of Application.xml.

      See Also:

    • DEFAULT_PROPERTY_MANIFEST_PURGE_SIZE

      static final int DEFAULT_PROPERTY_MANIFEST_PURGE_SIZE
      Default value for DVR Property "dvrManifestPurgeCacheSize".

      Default value is 10.

      See Also:

    • PROPERTY_VERIFY_CHUNK_EXISTENCE_ON_MANIFEST_LOAD

      static final String PROPERTY_VERIFY_CHUNK_EXISTENCE_ON_MANIFEST_LOAD
      See Also:

    • PROPERTY_PURGE_CONTROL_CLASS

      static final String PROPERTY_PURGE_CONTROL_CLASS
      DVR Property "dvrPurgeControlClass": for controlling the class responsible for determining which chunks to purge

      The class must implement IDvrPurgeController and may sub-class DvrPurgeControllerBase

      Add the property to Application/DVR/Properties section of Application.xml.

      See Also:

    • DEFAULT_PROPERTY_PURGE_CONTROL_CLASS

      static final String DEFAULT_PROPERTY_PURGE_CONTROL_CLASS
      Default value for DVR Property "dvrPurgeControlClass".

      Default value is "com.wowza.wms.dvr.impl.DvrPurgeController".

      See Also:

    • PROPERTY_MBR_USE_SIMPLEALIGNMENT

      static final String PROPERTY_MBR_USE_SIMPLEALIGNMENT
      HTTP Streamer Property "dvrMbrUseSimpleAligner": for defaulting to a simple mbr aligner

      Add the property to Application/HTTPStreamer/Properties section of Application.xml.

      See Also:

    • PROPERTY_MAX_ALLOWABLE_CHUNK_DURATION

      static final String PROPERTY_MAX_ALLOWABLE_CHUNK_DURATION
      DVR Property "dvrMaxAllowableChunkDuration": for setting maximum chuink duration.

      Add the property to Application/DVR/Properties section of Application.xml

      See Also:

    • DEFAULT_PROPERTY_MAX_ALLOWABLE_CHUNK_DURATION

      static final int DEFAULT_PROPERTY_MAX_ALLOWABLE_CHUNK_DURATION
      Default value for DVR Property "dvrMaxAllowableChunkDuration".

      Default value is 120000 ms (120 seconds).

      See Also:

    • PROPERTY_RECALC_DURATION_MAX_AV_DIFFERENCE_TRIGGER

      static final String PROPERTY_RECALC_DURATION_MAX_AV_DIFFERENCE_TRIGGER
      DVR Property "dvrRecalcDurationMaxAVStartDifference": for triggering recalculation of DVR chunk duration by examining each packet

      This is a fallback setting for when the aligned audio and video packets differ their start times. When this happens, fallback logic is triggered which examines the actual packets and tries to adjust the packet times and duration accordingly.

      Add the property to Application/DVR/Properties section of Application.xml

      See Also:

    • DEFAULT_PROPERTY_RECALC_DURATION_MAX_AV_DIFFERENCE_TRIGGER

      static final int DEFAULT_PROPERTY_RECALC_DURATION_MAX_AV_DIFFERENCE_TRIGGER
      Default value for DVR Property "dvrRecalcDurationMaxAVStartDifference".

      Default value is 500 ms.

      See Also:

    • PROPERTY_RECALC_DURATION_TRIGGER_SIZE

      static final String PROPERTY_RECALC_DURATION_TRIGGER_SIZE
      DVR Property "dvrRecalcDurationMaxChunkSize": for triggering recalculation of DVR chunk duration by examining each packet

      This is a fallback setting for when the DVR packetizer determines the chunk is quite large, usually because the incoming packet times have done something odd like suddenly diverged. When this happens, asome fallback logic is triggered which examines the acual packets and tries to adjust the duration accordingly.

      Add the property to Application/DVR/Properties section of Application.xml

      See Also:

    • DEFAULT_PROPERTY_RECALC_DURATION_TRIGGER_SIZE

      static final int DEFAULT_PROPERTY_RECALC_DURATION_TRIGGER_SIZE
      Default value for DVR Property "dvrRecalcDurationMaxChunkSize".

      Default value is 60000 ms (60 seconds).

      See Also:

    • PROPERTY_MAX_SAVE_HOLDER_SIZE

      static final String PROPERTY_MAX_SAVE_HOLDER_SIZE
      See Also:

    • DEFAULT_PROPERTY_MAX_SAVE_HOLDER_SIZE

      static final int DEFAULT_PROPERTY_MAX_SAVE_HOLDER_SIZE
      See Also:

    • PROPERTY_WAIT_FOR_CODEC_TIME

      static final String PROPERTY_WAIT_FOR_CODEC_TIME
      DVR Property "dvrWaitForCodecTime": for how long DVR will wait to get the codec information.

      Amount of time Wowza nDVR will wait to receive audio and video codec information after streaming has begun. The unit is in ms. The default value is 8000 ms.

      Add the property to Application/DVR/Properties section of Application.xml

      See Also:

    • DEFAULT_PROPERTY_WAIT_FOR_CODEC_TIME

      static final int DEFAULT_PROPERTY_WAIT_FOR_CODEC_TIME
      Default value for DVR Property "dvrWaitForCodecTime".

      Default value is 8000 ms.

      See Also:

    • PROPERTY_AUDIO_GROUP_COUNT

      static final String PROPERTY_AUDIO_GROUP_COUNT
      DVR Property "dvrAudioGroupCount": for number of audio packets to group together.

      Default is 3. @see DEFAULT_PROPERTY_AUDIO_GROUP_COUNT

      See Also:

    • DEFAULT_PROPERTY_AUDIO_GROUP_COUNT

      static final int DEFAULT_PROPERTY_AUDIO_GROUP_COUNT
      Default value for DVR Property "dvrAudioGroupCount".

      Default value is 3.

      See Also:

    • DEFAULT_PROPERTY_STREAM_IDLE_TIMEOUT

      static final int DEFAULT_PROPERTY_STREAM_IDLE_TIMEOUT
      Default value for DVR Property "streamTimeout".

      Default value is 300000 ms (5 minutes).

      See Also:

    • DEFAULT_PROPERTY_STREAM_STARTUP_TIMEOUT

      static final int DEFAULT_PROPERTY_STREAM_STARTUP_TIMEOUT
      Default value for DVR Property "streamStartupTimeout".

      Default value is 60000 ms (60 seconds).

      See Also:

    • PROPERTY_DEBUG_MBR_RESOLVER

      static final String PROPERTY_DEBUG_MBR_RESOLVER
      See Also:

    • PROPERTY_DEBUG_MBR_RESOLVER_GAP_DETAILS

      static final String PROPERTY_DEBUG_MBR_RESOLVER_GAP_DETAILS
      See Also:

    • PROPERTY_DEBUG_MBR_RESOLVER_INTERSECTION_DETAILS

      static final String PROPERTY_DEBUG_MBR_RESOLVER_INTERSECTION_DETAILS
      See Also:

    • PROPERTY_DEBUG_DISCONTINUITY

      static final String PROPERTY_DEBUG_DISCONTINUITY
      See Also:

    • CHUNK_FILENAME_FORMAT_METADATA

      static final String CHUNK_FILENAME_FORMAT_METADATA
      See Also:

    • CHUNK_FILENAME_FORMAT_VIDEO

      static final String CHUNK_FILENAME_FORMAT_VIDEO
      See Also:

    • CHUNK_FILENAME_FORMAT_AUDIO

      static final String CHUNK_FILENAME_FORMAT_AUDIO
      See Also:

    • CHUNK_FILENAME_FORMAT_DATA

      static final String CHUNK_FILENAME_FORMAT_DATA
      See Also:

    • CHUNK_FOLDER_FORMAT

      static final String CHUNK_FOLDER_FORMAT
      See Also: