On 19 June 2012 15:24, Alex Cohn <[email protected]> wrote: > On Fri, Jun 15, 2012 at 10:18 AM, Vijay Ajay <[email protected]> > wrote: >> >> Hai all, >> >> i am decoding jpeg using >> >> avcodec_decode_video2(pCodecCtx, pFrame, &frameFinished, &packet); >> >> I want to save pFrame to a file i,e in yuv420 format. >> Can some one please help me.
Also have a look at http://dranger.com/ffmpeg/tutorial01.html (there's a more recent version of the source here: https://github.com/mpenkov/sandpit/blob/master/ffmpeg/tutorial01.c) > You can use rawvideo format with yuv pixel format. If you want to access an > `AVFrame` structure directly, you should look at `data[0]` (for Y), > `data[1]` (for U), and `data[2]` (for V). For Y plane you should read > `height` lines, `linesize[0]` bytes per line. For U and V planes, there will > be `height/2` lines, and linesize[1] and linesize[2] will define bytes per > line for each plane. `linesize` is expected to be the same for U and for V. > >> Thanks in advance. >> vijay > > > Good luck, > Alex > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
