This prevents lost frames after a resolution change.
ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
+ ret = poll_filters();
+ if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
+
ist->resample_width = decoded_frame->width;
ist->resample_height = decoded_frame->height;
ist->resample_pix_fmt = decoded_frame->format;