In all of the movies I have, this field is not set so what do i do to find the field order and fix the artifact?
On Mon, May 18, 2015 at 4:25 PM, Hendrik Leppkes <h.lepp...@gmail.com> wrote: > On Mon, May 18, 2015 at 1:17 PM, Nisar Ahmed <nisar....@gmail.com> wrote: > > While decoding, libav is producing a different field order for some > movies > > which is resulting in interlacing artefacts on the output screen. I tried > > finding field order information inside AVCodecContext->field_order and > > AVFrame->top_field_first but both values are always set to AV_FIELD_BT > and 0 > > respectively. > > > > I need to know which field order then file will decode with so that I can > > make conversion or can I ask libav to do that. > > > > AVFrame->top_field_first is what you want to look at. If its not set, > then the video stream in question may simply not have any field order > information. > > - Hendrik > _______________________________________________ > Libav-user mailing list > Libav-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/libav-user >
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