[Libav-user] Converting YUV 2 MPEG4

Matthew Einhorn moiein2000 at gmail.com
Wed Aug 3 16:50:43 CEST 2011


On Wed, Aug 3, 2011 at 9:37 AM,  <muratc15-ffmpeg at yahoo.de> wrote:
> Hello boys and girls,
>
> I want to convert a YUV signal from my POE-camera into a MPEG4 stream, for which I have used the libavcodec.lib  library of yours.
>
> I am confused with the file-format headers for the target video file. For an instance :
> out_size = avcodec_encode_video(c, outbuf, outbuf_size,
> outpic);
> Is there no mpeg4 specific file format header required, in the beginning of the video file? Or is the library function handling this internally?
>
I use avformat_write_header() before starting to write frames and
av_write_trailer() afterwords. I think this should do what you want.

Matt


> Cheers Murat
>
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