[FFmpeg-user] how to display metadata?

[James Darnley]

On 25/03/2011, sean darcy <seandarcy2 at gmail.com> wrote:
> I've prepared a speech:
>
> ffmpeg -i "speech_1.wav" -metadata track="1" -metadata title="My Speech"
> -acodec aac -ab 128000 -strict experimental speech_1.aac
>
> which seems to work fine, the track and title show on the console output.
>
> But:
>
>   ffmpeg -i speech.aac
> Input #0, aac, from 'speech_1.aac':
>    Duration: 00:01:44.95, bitrate: 128 kb/s
>      Stream #0.0: Audio: aac, 44100 Hz, stereo, s16, 128 kb/s

That suggests the output format doesn't actually support metadata