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    • Anton Khirnov's avatar
      h264: deMpegEncContextize · 2c541554
      Anton Khirnov authored
      Most of the changes are just trivial are just trivial replacements of
      fields from MpegEncContext with equivalent fields in H264Context.
      Everything in h264* other than h264.c are those trivial changes.
      
      The nontrivial parts are:
      1) extracting a simplified version of the frame management code from
         mpegvideo.c. We don't need last/next_picture anymore, since h264 uses
         its own more complex system already and those were set only to appease
         the mpegvideo parts.
      2) some tables that need to be allocated/freed in appropriate places.
      3) hwaccels -- mostly trivial replacements.
         for dxva, the draw_horiz_band() call is moved from
         ff_dxva2_common_end_frame() to per-codec end_frame() callbacks,
         because it's now different for h264 and MpegEncContext-based
         decoders.
      4) svq3 -- it does not use h264 complex reference system, so I just
         added some very simplistic frame management instead and dropped the
         use of ff_h264_frame_start(). Because of this I also had to move some
         initialization code to svq3.
      
      Additional fixes for chroma format and bit depth changes by
      Janne Grunau <janne-libav@jannau.net>
      Signed-off-by: 's avatarAnton Khirnov <anton@khirnov.net>
      2c541554
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    • Mans Rullgard's avatar
      h264: fix HRD parameters parsing · fdba370f
      Mans Rullgard authored
      The bit_rate_value_minus1 and cpb_size_value_minus1 elements
      allow a wider range than get_ue_golomb() supports.  This
      adds a get_ue_golomb_long() function supporting up to 31
      leading zeros, which is the maximum for these syntax
      elements, and uses it in decode_hrd_parameters().
      Signed-off-by: 's avatarMans Rullgard <mans@mansr.com>
      fdba370f