On Tue, Jun 26, 2012 at 9:18 AM, Simon Daniels <[email protected]> wrote: > Hey guys, > > I'm walking through frames of a video to do some analysis on the pixel data. > I'd like to save each frame as an image so I can verify the analysis > algorithm is running on the expected data. > > I don't want to use the ffmpeg command-line to save out the frames because > for some reason the frame counts are not matching. Ffmpeg.exe saves more > frame jpegs than avcodec_decode_video2 seems to find. > > Here's my code: > > > while (av_read_frame(pFormatCtx, &packet) >= 0) > { > > // Is this a packet from the video stream? > if (packet.stream_index == videoStreamIndex && > (frameLocation++ % frameSkip == 0) > ) > { > // Decode video frame > avcodec_decode_video2(pCodecCtx, pFrameYUV, &isFrameFinished, &packet); > > // Did we get a video frame? > if (isFrameFinished) { > > // I'D LIKE TO SAVE FRAME AS A JPEG HERE > > } > > } > } > > > This is with ffmpeg 0.11.1. > > Thanks!
See an old thread http://libav-users.943685.n4.nabble.com/Save-AVFrame-to-jpg-file-td2314979.html BR, Alex Cohn _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
