I don't know if this is the correct place to ask for possible contract
work for someone that is familiar with ffmpeg. Here is what my company
is looking for:
We are looking to design a streaming server with the following requirements:
* The files that are streamed by the server are MP4 files that
containboth video and audio.
* Our preferred method is to use RTSP streaming protocol. This is
open to suggestions.
* The server must be able to load many files that need to be
streamed.In our case, the files are each oneminute in length.
* Each file has a filename that includes a timestamp of the exact time
that the file was recorded. When a time request is sent from the
client, the server should be able to use this timestamp to determine
which file it needs to load. Once the file is loaded by the server,
it should immediately start streaming from the timestamp position
requested. For example, if a request is made for July 20, 2021at
3:00pm and 30 seconds, and the beginning of the one minutefile is
July 20, 2021at 3:00pm and 0 seconds, then the server should load
that file and position it'stime pointer to 30 seconds into that file
and start streaming video from that point in the file.
* The server must serve these oneminutefiles with smooth transitions
between each file. The client that is playing the video should not
see a break in video or audio between the transition from one file
to another.
* The client should be able to play forward at different speeds. For
example,full speed, ½x speed, 2x speed, and 4x speed.
* The client should be able to pause the video.
* The client should be able to rewind 10 or 30 seconds from where the
video is playing.
* During the play forward and rewind operations, the server must be
able to handle the switching between the one minutevideo files.For
example, if a rewind request of 30 seconds is requested by the
client and the server has played15 seconds into file 2, then the
server should switch tofile 1 and set its pointer to 45 seconds into
thatfile. This is assuming that all the files are exactly 60 seconds
in length.
* Because the client has the user controls that control the play
forward, pause, and rewind there will need to be a communication
method that sends these command functions to the server so the
server can respond to these requests. ATCP channel could be used for
these control messages.
* The one minutefiles will always have a reference frame at the
beginning of each file. Because reference frames do not always match
up perfectly to a minute, the video files will not all be exactly
one minute in length. The server must be able to handle the
variations in file time length.
* We would prefer to use a standard tool like ffmpeg. However, we are
open to any suggestions on other tools that can be used.
Please let me know if you would be interested in consulting for this
project. Or if you know of someone else that would be interested.
Thank You,
Mike Van Hulle
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