matroskamux: write subtitle codec ID and data at start when known
authorVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Thu, 9 Jan 2014 18:25:04 +0000 (18:25 +0000)
committerVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Thu, 9 Jan 2014 18:29:32 +0000 (18:29 +0000)
commit1c6ee3fba47fb8efb8c312239cc9cb7673371351
tree42596b4eb304a81ef658b4ab825b1a07e2ffce54
parent03dff9de0b7ad2baadd25fc82a1797a35e979a9e
matroskamux: write subtitle codec ID and data at start when known

This avoids issues with writing dummy data first, then having
to come back and write correct data later. Doing so prevents
the muxed stream from being actually streamable.

https://bugzilla.gnome.org/show_bug.cgi?id=712134
gst/matroska/matroska-mux.c