can i hijack your email On Fri, Oct 15, 2021 at 6:58 AM <[email protected]> wrote:
> Hi, > > I use libav to live stream audio. Is it possible to put live metadata > updates in that stream? > > For example, if I listen to some radio station's live stream with VLC > player, I see the name and artist of the song currently playing. This > information updates instantly when the song is changed. I want > listeners of my audio stream to similarly see a text of my choosing that > can be changed at any time during the stream. I know this is > theoretically possible, because the streaming tool called 'butt' [0] can > do this. > > My application generates audio data which I encode with libavcodec (with > an encoder of the user's choosing). That audio data is then sent to an > Icecast server using libavformat. > > Icecast expects metadata to be embedded into the stream [1] for > Icecast-supported formats [2]. Does this mean that the encoder should > be responsible for sending along the metadata? If so, how would I > achieve this with FFmpeg? > > > Thanks in advance, > > Stef Gijsberts > > > > [0]: https://danielnoethen.de/butt/ > > [1]: "Metadata is expected to be embedded into the stream. For legacy > formats (MP3, AAC...) metadata can't be included in the stream, so it > has to be updated out of band using the metadata update endpoint in > Icecast admin to do so." > > https://gist.github.com/ePirat/adc3b8ba00d85b7e3870#gistcomment-2111195 > > [2]: "It supports Ogg (Vorbis, Theora), Opus, FLAC and WebM (VP8/VP9)" > https://icecast.org/faq/ > _______________________________________________ > Libav-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/libav-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". >
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