v2.4.0

Added

• Support hardware accelerated AES (#198).
• Support various HDR formats for HEVC (#341, #632).
• Add more loggings for GAPs (#474).
• Retry file deletion if it fails (#533). Only applicable to live packaging.
• Simplify the dependency for pssh-box utility (#538).
• Add crypto_period_duration to Widevine key requests (#545).
• Include pssh-box.py in docker image and release (#550).
• Support encryption using IV from Widevine key server (#555).
• [DASH] Support custom Accessibillity and Role elements (#565). This is needed
  to support DVS Accessibillity audio in DASH.
• Support CMAF file extensions (#574).
• Support PlayReady PSSH generation with CBCS protection scheme (#602).
• [HLS] Generate FRAME-RATE attribute in EXT-X-STREAM-INF tag (#634).
• Add --quiet to suppress LOG(INFO) outputs (#661).

Fixed

• Handle large descriptor header size in 'esds' box (#536).
• Improve the handling of corrupted timestamp in live streams (#563).
• Fix problems that target duration is not set in mpd/hls params, which then
  results incorrect bandwidth estimates (#498, #581).
• Allow absolute path in playlist name (#585).
• [HLS] Fix possible zero bandwidth for EXT-I-FRAME-STREAM-INF (#610).
• Supports encryption of streams with parameter sets in frames, i.e. avc3, hvc1
  etc (#621, #627).
• [HLS] Segments not deleted with $Time$ in segment_template when output HLS
  segments only (#625).
• [HLS] ID3 payload for transportStreamTimestamp not truncated to 33 bits
  (#629).
• Fix UDP sockets support in Windows (#643).
• Fix possible packager hangs when reading mp4 files from FIFO (#664).

Changed

• [HLS] Replace hev1 in codec with hvc1 and avc3 with avc1 (#587).
• Rename --generate_static_mpd to --generate_static_live_mpd (#672).

Doc

• Added documentation for pssh-box utility (#500).