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en:stb:adaptive_streaming [2018/08/06 09:19]
Alexander
en:stb:adaptive_streaming [2018/08/31 09:12] (current)
Alexander [HLS v4]
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-====== Adaptive streaming HLSv4 and MPEG-DASH on TVIP Mediacenters ======+====== Adaptive streaming ​(HLS, HLSv4 and MPEG-DASHon TVIP Mediacenters ====== 
 + 
 +:!: Advanced adaptive streaming (HLSv4, MPEG-DASH) is supported from firmware **v.4.0.22.** 
 + 
 +==== HLS v3 ==== 
 + 
 +Initiated by using URL scheme //http//, //https//, //hls//, //hlss//. 
 + 
 +=== Features === 
 +    * Only multiplexed MPEG-TS segments are supported. External audio segments are not supported. 
 +    * Multiplexed MPEG-TS segment can contain any video/audio formats supported by STB. 
 +    * Multiplexed MPEG-TS segment can contain multiple audio tracks. 
 +    * Multiplexed MPEG-TS segment can contain DVBSUB or Teletext subtitles. 
 +    * Seeking is limited to segment boundaries. 
 +    * Encryption: AES-128 is supported (Verimatrix is supported for some units). Sample-AES is not supported.
  
-:!: Advanced adaptive streaming is supported from firmware **v.4.0.21.** 
  
 ==== HLS v4 ==== ==== HLS v4 ====
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 TS segment should contain no more the one video and one audio track. TS segment should contain no more the one video and one audio track.
  
-===3.3 Fragmented MPEG-4===+===3.3 Fragmented MPEG-4 ​(CMAF)===
 Tested: //H.264, HEVC, AAC//.\\ Tested: //H.264, HEVC, AAC//.\\
 Untested, but planned: //AC3, EAC3, DTS//.\\ Untested, but planned: //AC3, EAC3, DTS//.\\
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 Supported.\\ Supported.\\
 Attributes: //URI, IV, KEYFORMAT.//​ Attributes: //URI, IV, KEYFORMAT.//​
-AES-128 is supported.\\ +AES-128 is supported ​for MPEGTS and fMP4. Verimarix can be enabled by request.\\ 
-SAMPLE-AES is supported for MPEGTS.+SAMPLE-AES is supported for MPEGTS. ​Widevine over HLS is planned.\\
 CENC for fMP4 is planned. CENC for fMP4 is planned.
 \\ \\
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   * Any tags controlling buffering or stream priorities are not supported.   * Any tags controlling buffering or stream priorities are not supported.
  
-==== Notes and known limitations ===+==== Notes and known limitations ​for HLSv4 and MPEG-DASH ​===
     * Seeking is not limited to segment boundaries.     * Seeking is not limited to segment boundaries.
     * Video tracks can not be switched.     * Video tracks can not be switched.