Opened 7 years ago

Closed 7 years ago

#4367 closed defect (duplicate)

24-bit WMA Lossless Doesn't Actually Work

Reported by: dbuitenh Owned by: Michael Niedermayer
Priority: normal Component: avcodec
Version: git-master Keywords: wmalossless
Cc: Michael Niedermayer Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

Summary of the bug:

The WMA Lossless 24-bit "support" added in ce6141259bb910aa7f580f55cf71e3c503f9a4fb does not actually work. The audio is decoded in a very broken and distorted way.

Sample: http://chromashift.org/samples/wmall.wmv
Decoded with official DirectShow filter: http://chromashift.org/samples/official_decoded.wv
Decoded with libavcodec: http://chromashift.org/samples/ffmpeg_decoded.wv

How to reproduce:

% ffmpeg -i wmall.wmv out.wav

Log of ffmpeg output is here: http://chromashift.org/samples/wmall_ffmpeg.log

Change History (1)

comment:1 by Carl Eugen Hoyos, 7 years ago

Keywords: wma removed
Resolution: duplicate
Status: newclosed
Note: See TracTickets for help on using tickets.