[FFmpeg-user] Transcoding wave to ape

[JD]

On 01/08/2018 06:48 PM, Carl Eugen Hoyos wrote:
> 2018-01-08 20:03 GMT+01:00 JD <jd1008 at gmail.com>:
>> Used
>>
>> $ ffmpeg --version
>> ffmpeg version N-88150-gae100046ca-static https://johnvansickle.com/ffmpeg/
>> Copyright (c) 2000-2017 the FFmpeg developers
>>    built with gcc 6.4.0 (Debian 6.4.0-8) 20171010
>>    configuration: --enable-gpl --enable-version3 --enable-static
>> --disable-debug --disable-ffplay --disable-indev=sndio
>> --disable-outdev=sndio --cc=gcc-6 --enable-fontconfig --enable-frei0r
>> --enable-gnutls --enable-gray --enable-libfribidi --enable-libass
>> --enable-libvmaf --enable-libfreetype --enable-libmp3lame
>> --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
>> --enable-librubberband --enable-librtmp --enable-libsoxr --enable-libspeex
>> --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab
>> --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264
>> --enable-libx265 --enable-libxvid --enable-libzimg
>>    libavutil      56.  0.100 / 56.  0.100
>>    libavcodec     58.  0.100 / 58.  0.100
>>    libavformat    58.  0.100 / 58.  0.100
>>    libavdevice    58.  0.100 / 58.  0.100
>>    libavfilter     7.  0.100 /  7.  0.100
>>    libswscale      5.  0.100 /  5.  0.100
>>    libswresample   3.  0.100 /  3.  0.100
>>    libpostproc    55.  0.100 / 55.  0.100
>>
>> to transcode 2 mp4 files downloaded from youtube, to wav.
>> All went well - the wave files sounded just as good as the YT mp4 versions.
>>
>> Then I installed
>> mac-libs-4.11-3.u4b5
>> mac-4.11-3.u4b5
>> mac-devel-4.11-3.u4b5
>>
>> and converted the 2  .wav files to ape using the command line
>>
>>
>> mac file_1.wav  file_1.ape -c5000
>>
>> and it exited with Success.
>>
>> However, playing the two files, I only hear white noise.
> How did you test?
>
> Did you try to decode the ape file with mac?
>
> Carl Eugen
I tried to play the files with mplayer or ffplay. All I got was white noise.