[Libav-user] Reducing the Frame-Rate of a Network Video Stream
alexcohn at netvision.net.il
Sun Jul 28 16:03:26 CEST 2013
On Sun, Jul 28, 2013 at 4:28 PM, Adi Shavit <adishavit at gmail.com> wrote:
> On Sun, Jul 28, 2013 at 3:09 PM, Alex Cohn <alexcohn at netvision.net.il> wrote:
>> On Jul 28, 2013 1:56 PM, "Adi Shavit" <adishavit at gmail.com> wrote:
>>> I have a network video stream that I am decoding with the ffmpeg C
>>> I'd like to reduce the maximal frame rate to some maximum, say 15 fps.
>>> I used the filter fps=fps=15, but even on a 25 fps video stream this
>>> caused frame duplication. I presume this was due to network delays.
>>> Is there some way to reduce the maximal frame-rate but avoid frame
>>> duplication and just get delays instead?
>>> PS. reposted from here:
>> Are you using the libraries in your own program, or looking for the correct
>> parameters for ffmpeg executable? In the latter case, the ffmpeg-user list
>> should be the preferred choice.
>> Alex Cohn
> In my program.
> I'm passing the resizing string as an argument to avfilter_graph_parse.
Then you don't need avfilter, IMHO. When you receive a decoded frame
from avcodec, simply check if the last frame was received more than 40
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