1. 12 Apr, 2017 1 commit
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  4. 15 Sep, 2016 1 commit
    • Nikolas Bowe's avatar
      avcodec/(e)ac3: Fix target_level for EAC3. · 96cd6f67
      Nikolas Bowe authored
      Currently when using target_level with EAC3 it produces silence. This small patch fixes target_level for decoding EAC3.
      
      Example:
      ffmpeg -y -i /tmp/test.wav -acodec eac3 -dialnorm -14 -ac 6 -b:a 384000 /tmp/test.m2ts
      ffmpeg -y -target_level -24 -i /tmp/test.m2ts -acodec pcm_s16le -f matroska /tmp/out.mkv
      ffplay /tmp/out.mkv
      Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
      96cd6f67
  5. 02 Apr, 2016 1 commit
  6. 14 Mar, 2015 2 commits
    • Christophe Gisquet's avatar
      eac3dec: fix scaling · 0c3339f4
      Christophe Gisquet authored
      This is the remaining error, the output on the SPX samples,
      respectively csi_miami_stereo_128_spx.eac3 and
      csi_miami_5.1_256_spx.eac3, goes from:
      stddev:    8.71 PSNR: 77.52 MAXDIFF:  235
      stddev:24270.51 PSNR: 22.17 MAXDIFF:47166
      to:
      stddev:    0.12 PSNR:114.12 MAXDIFF:    1
      stddev:    0.12 PSNR:114.73 MAXDIFF:    1
      Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
      0c3339f4
    • Andreas Cadhalpun's avatar
      ac3dec_fixed: always use the USE_FIXED=1 variant of the AC3DecodeContext · 7b05b509
      Andreas Cadhalpun authored
      The AC3DecodeContext has a float (USE_FIXED=0) and an integer
      (USE_FIXED=1) variant, both of which can be present in the same binary.
      This is not only very confusing, but it also breaks horribly, when one
      variant is used by code expecting the other.
      
      This currently happens, because eac3dec.c is only compiled for the float
      variant, but also used from ac3dec_fixed.c, which uses the integer
      variant.
      
      The result is memory corruption, leading to crashes.
      
      So compile eac3dec.c once for each variant and adapt it, so that it
      works with the integer variant.
      
      A loss of precission and scaling bug has been fixed by the committer
      Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
      7b05b509
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