#3455: aresample=matrix_encoding=dplii doesn't downmix backleft and center
correctly
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Reporter: Peter | Owner:
Type: defect | Status: new
Priority: normal | Component: swresample
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by cehoyos):
The sample you uploaded is to short to do any test imo, I tested with a
file that you should be able to find with Google:
{{{
$ ffmpeg -i Test\ AC3\ v2.0.avi -af "aresample=matrix_encoding=dplii" -ac
2 out.wav
$ ffmpeg -i Test\ AC3\ v2.0.avi -af "aresample=matrix_encoding=dplii" -ac
2 out.ac3
$ ffmpeg -i Test\ AC3\ v2.0.avi -af "aresample=matrix_encoding=dplii" -ac
2 out.eac3
}}}
I now set my receiver to "PLII" and played the three files over the
digital connection (HDMI): The surround sound sounded as expected
(surround sound although I used stereo files). I finally tested the wav
file over the analog connection and the stereo signal also played like a
surround signal.
Or do I misunderstand the problem?
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Ticket URL: <https://trac.ffmpeg.org/ticket/3455#comment:4>
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