log_encoder_error  256 libavcodec/libaomenc.c         log_encoder_error(avctx, buf);
log_encoder_error  684 libavcodec/libaomenc.c         log_encoder_error(avctx, "Failed to initialize encoder");
log_encoder_error 1010 libavcodec/libaomenc.c         log_encoder_error(avctx, "Error encoding frame");
log_encoder_error  328 libavcodec/libvpxenc.c         log_encoder_error(avctx, buf);
log_encoder_error  350 libavcodec/libvpxenc.c         log_encoder_error(avctx, buf);
log_encoder_error  925 libavcodec/libvpxenc.c         log_encoder_error(avctx, "Failed to initialize encoder");
log_encoder_error  947 libavcodec/libvpxenc.c             log_encoder_error(avctx, "Failed to initialize alpha encoder");
log_encoder_error 1406 libavcodec/libvpxenc.c             log_encoder_error(avctx, "Failed to set_roi_map.\n");
log_encoder_error 1413 libavcodec/libvpxenc.c             log_encoder_error(avctx, "Failed to set VP9E_SET_ROI_MAP codec control.\n");
log_encoder_error 1438 libavcodec/libvpxenc.c         log_encoder_error(avctx, "Failed to set_roi_map.\n");
log_encoder_error 1443 libavcodec/libvpxenc.c         log_encoder_error(avctx, "Failed to set VP8E_SET_ROI_MAP codec control.\n");
log_encoder_error 1588 libavcodec/libvpxenc.c         log_encoder_error(avctx, "Error encoding frame");
log_encoder_error 1596 libavcodec/libvpxenc.c             log_encoder_error(avctx, "Error encoding alpha frame");