[FFmpeg-trac] #5054(undetermined:new): TrueHD Decoder not lossless
FFmpeg
trac at avcodec.org
Wed Dec 2 07:17:35 CET 2015
#5054: TrueHD Decoder not lossless
-------------------------------------+-------------------------------------
Reporter: marcusj0015 | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: TrueHD, | Blocked By:
lossless, audio, decoder | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
The sample is exactly 1 minute long, 48000hz sample rate, 24 bits per
sample, 8 channels. and all samples are set to 0xFFFFFF
here's the thd sample, and here's one of the 8 mono wavs (they're all
literally the same, I manually created the file in a hex editor and copied
it for all the others.)
the thd was created with Dolby Media Encoder Standalone Edition.
Input.mlp is what ffmpeg decodes, to Output.wav.
Original.wav is the file fed into Dolby Media Encode Standalone Edition
Here are the files:
Input.mlp: https://www.dropbox.com/s/fvh9lie1ofryws0/Input.mlp
Output.wav: https://www.dropbox.com/s/vjfjgv1vu11uci4/Output.wav
Original.wav: https://www.dropbox.com/s/8s5n5lv4qtvzysw/Original.wav
The command line output is attached.
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Ticket URL: <https://trac.ffmpeg.org/ticket/5054>
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