[FFmpeg-user] MLP decoder: decodes 24-bit MLP files into 16-bit MLP wav

[Moritz Barsnick]

On Wed, Jul 03, 2019 at 10:17:57 +0200, fabrice nicol wrote:
> The MLP decoder does not seem to work for 24-bit MLP. It converts such
> files into 16-bit WAV, whatever the sample rate.

Actually, you could think so. But the decoder is fine. On the other
hand, the wav output format defaults to 16 bits.

>    `ffmpeg -i /mnt/cdrom/AUDIO_TS/ATS_01_3.AOB ~/a.wav`
[...]
> Stream mapping:
>    Stream #0:0 -> #0:0 (mlp (native) -> pcm_s16le (native))
[...]
>      Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 96000 Hz, 5.1, s16, 9216 kb/s

Just add "-c:a pcm_s24le" as an output option. Then you get the full
sample depth.

> sox --i  a.wav

Tested and confirmed with sox here as well. ;-)

Hope this helps,
Moritz