Quoting fei.w.wang-at-intel....@ffmpeg.org (2024-09-18 09:10:30)
> static void export_frame_params(VVCContext *s, const VVCFrameContext *fc)
> {
> AVCodecContext *c = s->avctx;
> const VVCSPS *sps = fc->ps.sps;
> const VVCPPS *pps = fc->ps.pps;
>
> - c->pix_fmt = sps->pix_fmt;
> - c->coded_width = pps->width;
> - c->coded_height = pps->height;
> - c->width = pps->width - ((pps->r->pps_conf_win_left_offset +
> pps->r->pps_conf_win_right_offset) << sps->hshift[CHROMA]);
> - c->height = pps->height - ((pps->r->pps_conf_win_top_offset +
> pps->r->pps_conf_win_bottom_offset) << sps->vshift[CHROMA]);
> + // Reset HW config if pix_fmt/w/h change.
> + if (s->pix_fmt != sps->pix_fmt || c->coded_width != pps->width ||
> c->coded_height != pps->height) {
> + c->coded_width = pps->width;
> + c->coded_height = pps->height;
> + c->pix_fmt = get_format(c, sps);
> + s->pix_fmt = sps->pix_fmt;
????
Also, get_format() can fail and return AV_PIX_FMT_NONE.
--
Anton Khirnov
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