1. 14 Jul, 2019 1 commit
    • Andreas Rheinhardt's avatar
      dump_extra: Don't add extradata if it already exists · 3469cfab
      Andreas Rheinhardt authored
      The dump_extra bitstream filter currently simply adds the extradata to
      the packets indicated by the user without checking whether said
      extradata already exists in the packets. Besides wasting space
      duplicated extradata in the same packet/access unit is also forbidden
      for some codecs, e.g. MPEG-2.
      
      This check has been added to be able to use the mpeg2_qsv encoder (which
      only adds the sequence headers to the first packet) in broadcast
      scenarios where repeating sequence headers are required.
      
      The check used here is not perfect: E.g. dump_extra would add the
      extradata to a H.264 access unit consisting of an access unit delimiter,
      SPS, PPS and slices.
      
      Fixes #8007.
      Signed-off-by: 's avatarAndreas Rheinhardt <andreas.rheinhardt@gmail.com>
      Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
      3469cfab
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