av_log(avctx,AV_LOG_ERROR,"The specified picture size of %dx%d is not valid for the H.261 codec.\nValid sizes are 176x144, 352x288\n",s->width,s->height);
av_log(avctx,AV_LOG_ERROR,
"The specified picture size of %dx%d is not valid for the "
"H.261 codec.\nValid sizes are 176x144, 352x288\n",
av_log(avctx,AV_LOG_INFO,"The specified picture size of %dx%d is not valid for the H.263 codec.\nValid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.\n",s->width,s->height);