Hi Mark,
I could possibly be interested. What I was hoping to do is to work with the
ffmpeg api using jni. The reason for this is that the encoder is java and
so is the media player. I would like to pass the encoded frame data into
the filter and get a watermarked frame back.
Roger.
-----Original Message-----
From: Mark Heath
Sent: Monday, November 15, 2010 1:21 PM
To: Libav* user questions and discussions
Subject: Re: [libav-user] Watermark live h.264 video
Hi Roger,
I've written a static image watermarking filter using vfilters.
I'm not sure if this would help you.
Mark
On 16/10/2010, at 10:45 AM, Roger Littin wrote:
Hi,
I have an application that uses a FastVDO SmartCapture device to stream
live video to a Wowza server. On the server, it is being streamed live
and also recorded for archive.
I would like to be able to add a watermark image to the video either
before it is sent to the server or as it is being recorded. I have tried
to add a watermark after it has been recorded which was successful but
the process takes too long and is too resource intensive to do on any
sort of scale. I couldn't find a way to just add the watermark without
having to re-transcode the video.
The broadcast client is running in java on a windows netbook. It
communicates with the fastVDO device using jni and receives the raw video
& audio packets which it then packages into an rtp stream to send to the
server. If possible, I would like to be able to pass the raw video
packets through the ffmpeg avfilter, to add the watermark image, before
they are added to the stream if this is possible.
The other option would be do it on the Wowza server and intercept the
video packets there and do the same thing.
I am also open to other suggestions.
Roger.
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